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5411 lines
265 KiB
5411 lines
265 KiB
<?php |
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/** |
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* Main WordPress Formatting API. |
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* |
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* Handles many functions for formatting output. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Replaces common plain text characters into formatted entities |
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* |
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* As an example, |
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* |
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* 'cause today's effort makes it worth tomorrow's "holiday" ... |
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* |
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* Becomes: |
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* |
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* ’cause today’s effort makes it worth tomorrow’s “holiday” … |
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* |
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* Code within certain html blocks are skipped. |
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* |
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* Do not use this function before the {@see 'init'} action hook; everything will break. |
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* |
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* @since 0.71 |
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* |
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* @global array $wp_cockneyreplace Array of formatted entities for certain common phrases |
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* @global array $shortcode_tags |
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* @staticvar array $static_characters |
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* @staticvar array $static_replacements |
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* @staticvar array $dynamic_characters |
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* @staticvar array $dynamic_replacements |
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* @staticvar array $default_no_texturize_tags |
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* @staticvar array $default_no_texturize_shortcodes |
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* @staticvar bool $run_texturize |
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* @staticvar string $apos |
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* @staticvar string $prime |
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* @staticvar string $double_prime |
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* @staticvar string $opening_quote |
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* @staticvar string $closing_quote |
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* @staticvar string $opening_single_quote |
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* @staticvar string $closing_single_quote |
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* @staticvar string $open_q_flag |
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* @staticvar string $open_sq_flag |
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* @staticvar string $apos_flag |
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* |
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* @param string $text The text to be formatted |
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* @param bool $reset Set to true for unit testing. Translated patterns will reset. |
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* @return string The string replaced with html entities |
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*/ |
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function wptexturize( $text, $reset = false ) { |
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global $wp_cockneyreplace, $shortcode_tags; |
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static $static_characters = null, |
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$static_replacements = null, |
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$dynamic_characters = null, |
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$dynamic_replacements = null, |
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$default_no_texturize_tags = null, |
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$default_no_texturize_shortcodes = null, |
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$run_texturize = true, |
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$apos = null, |
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$prime = null, |
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$double_prime = null, |
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$opening_quote = null, |
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$closing_quote = null, |
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$opening_single_quote = null, |
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$closing_single_quote = null, |
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$open_q_flag = '<!--oq-->', |
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$open_sq_flag = '<!--osq-->', |
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$apos_flag = '<!--apos-->'; |
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|
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// If there's nothing to do, just stop. |
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if ( empty( $text ) || false === $run_texturize ) { |
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return $text; |
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} |
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|
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// Set up static variables. Run once only. |
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if ( $reset || ! isset( $static_characters ) ) { |
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/** |
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* Filters whether to skip running wptexturize(). |
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* |
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* Passing false to the filter will effectively short-circuit wptexturize(). |
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* returning the original text passed to the function instead. |
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* |
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* The filter runs only once, the first time wptexturize() is called. |
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* |
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* @since 4.0.0 |
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* |
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* @see wptexturize() |
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* |
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* @param bool $run_texturize Whether to short-circuit wptexturize(). |
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*/ |
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$run_texturize = apply_filters( 'run_wptexturize', $run_texturize ); |
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if ( false === $run_texturize ) { |
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return $text; |
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} |
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|
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/* translators: opening curly double quote */ |
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$opening_quote = _x( '“', 'opening curly double quote' ); |
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/* translators: closing curly double quote */ |
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$closing_quote = _x( '”', 'closing curly double quote' ); |
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|
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/* translators: apostrophe, for example in 'cause or can't */ |
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$apos = _x( '’', 'apostrophe' ); |
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|
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/* translators: prime, for example in 9' (nine feet) */ |
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$prime = _x( '′', 'prime' ); |
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/* translators: double prime, for example in 9" (nine inches) */ |
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$double_prime = _x( '″', 'double prime' ); |
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|
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/* translators: opening curly single quote */ |
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$opening_single_quote = _x( '‘', 'opening curly single quote' ); |
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/* translators: closing curly single quote */ |
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$closing_single_quote = _x( '’', 'closing curly single quote' ); |
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|
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/* translators: en dash */ |
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$en_dash = _x( '–', 'en dash' ); |
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/* translators: em dash */ |
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$em_dash = _x( '—', 'em dash' ); |
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$default_no_texturize_tags = array('pre', 'code', 'kbd', 'style', 'script', 'tt'); |
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$default_no_texturize_shortcodes = array('code'); |
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|
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// if a plugin has provided an autocorrect array, use it |
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if ( isset($wp_cockneyreplace) ) { |
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$cockney = array_keys( $wp_cockneyreplace ); |
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$cockneyreplace = array_values( $wp_cockneyreplace ); |
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} else { |
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/* translators: This is a comma-separated list of words that defy the syntax of quotations in normal use, |
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* for example... 'We do not have enough words yet' ... is a typical quoted phrase. But when we write |
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* lines of code 'til we have enough of 'em, then we need to insert apostrophes instead of quotes. |
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*/ |
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$cockney = explode( ',', _x( "'tain't,'twere,'twas,'tis,'twill,'til,'bout,'nuff,'round,'cause,'em", |
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'Comma-separated list of words to texturize in your language' ) ); |
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$cockneyreplace = explode( ',', _x( '’tain’t,’twere,’twas,’tis,’twill,’til,’bout,’nuff,’round,’cause,’em', |
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'Comma-separated list of replacement words in your language' ) ); |
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} |
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$static_characters = array_merge( array( '...', '``', '\'\'', ' (tm)' ), $cockney ); |
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$static_replacements = array_merge( array( '…', $opening_quote, $closing_quote, ' ™' ), $cockneyreplace ); |
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// Pattern-based replacements of characters. |
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// Sort the remaining patterns into several arrays for performance tuning. |
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$dynamic_characters = array( 'apos' => array(), 'quote' => array(), 'dash' => array() ); |
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$dynamic_replacements = array( 'apos' => array(), 'quote' => array(), 'dash' => array() ); |
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$dynamic = array(); |
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$spaces = wp_spaces_regexp(); |
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// '99' and '99" are ambiguous among other patterns; assume it's an abbreviated year at the end of a quotation. |
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if ( "'" !== $apos || "'" !== $closing_single_quote ) { |
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$dynamic[ '/\'(\d\d)\'(?=\Z|[.,:;!?)}\-\]]|>|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_single_quote; |
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} |
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if ( "'" !== $apos || '"' !== $closing_quote ) { |
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$dynamic[ '/\'(\d\d)"(?=\Z|[.,:;!?)}\-\]]|>|' . $spaces . ')/' ] = $apos_flag . '$1' . $closing_quote; |
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} |
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// '99 '99s '99's (apostrophe) But never '9 or '99% or '999 or '99.0. |
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if ( "'" !== $apos ) { |
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$dynamic[ '/\'(?=\d\d(?:\Z|(?![%\d]|[.,]\d)))/' ] = $apos_flag; |
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} |
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// Quoted Numbers like '0.42' |
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if ( "'" !== $opening_single_quote && "'" !== $closing_single_quote ) { |
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$dynamic[ '/(?<=\A|' . $spaces . ')\'(\d[.,\d]*)\'/' ] = $open_sq_flag . '$1' . $closing_single_quote; |
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} |
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// Single quote at start, or preceded by (, {, <, [, ", -, or spaces. |
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if ( "'" !== $opening_single_quote ) { |
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$dynamic[ '/(?<=\A|[([{"\-]|<|' . $spaces . ')\'/' ] = $open_sq_flag; |
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} |
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// Apostrophe in a word. No spaces, double apostrophes, or other punctuation. |
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if ( "'" !== $apos ) { |
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$dynamic[ '/(?<!' . $spaces . ')\'(?!\Z|[.,:;!?"\'(){}[\]\-]|&[lg]t;|' . $spaces . ')/' ] = $apos_flag; |
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} |
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$dynamic_characters['apos'] = array_keys( $dynamic ); |
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$dynamic_replacements['apos'] = array_values( $dynamic ); |
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$dynamic = array(); |
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// Quoted Numbers like "42" |
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if ( '"' !== $opening_quote && '"' !== $closing_quote ) { |
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$dynamic[ '/(?<=\A|' . $spaces . ')"(\d[.,\d]*)"/' ] = $open_q_flag . '$1' . $closing_quote; |
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} |
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// Double quote at start, or preceded by (, {, <, [, -, or spaces, and not followed by spaces. |
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if ( '"' !== $opening_quote ) { |
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$dynamic[ '/(?<=\A|[([{\-]|<|' . $spaces . ')"(?!' . $spaces . ')/' ] = $open_q_flag; |
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} |
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$dynamic_characters['quote'] = array_keys( $dynamic ); |
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$dynamic_replacements['quote'] = array_values( $dynamic ); |
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$dynamic = array(); |
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// Dashes and spaces |
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$dynamic[ '/---/' ] = $em_dash; |
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$dynamic[ '/(?<=^|' . $spaces . ')--(?=$|' . $spaces . ')/' ] = $em_dash; |
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$dynamic[ '/(?<!xn)--/' ] = $en_dash; |
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$dynamic[ '/(?<=^|' . $spaces . ')-(?=$|' . $spaces . ')/' ] = $en_dash; |
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$dynamic_characters['dash'] = array_keys( $dynamic ); |
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$dynamic_replacements['dash'] = array_values( $dynamic ); |
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} |
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|
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// Must do this every time in case plugins use these filters in a context sensitive manner |
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/** |
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* Filters the list of HTML elements not to texturize. |
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* |
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* @since 2.8.0 |
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* |
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* @param array $default_no_texturize_tags An array of HTML element names. |
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*/ |
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$no_texturize_tags = apply_filters( 'no_texturize_tags', $default_no_texturize_tags ); |
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/** |
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* Filters the list of shortcodes not to texturize. |
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* |
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* @since 2.8.0 |
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* |
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* @param array $default_no_texturize_shortcodes An array of shortcode names. |
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*/ |
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$no_texturize_shortcodes = apply_filters( 'no_texturize_shortcodes', $default_no_texturize_shortcodes ); |
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$no_texturize_tags_stack = array(); |
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$no_texturize_shortcodes_stack = array(); |
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// Look for shortcodes and HTML elements. |
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preg_match_all( '@\[/?([^<>&/\[\]\x00-\x20=]++)@', $text, $matches ); |
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$tagnames = array_intersect( array_keys( $shortcode_tags ), $matches[1] ); |
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$found_shortcodes = ! empty( $tagnames ); |
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$shortcode_regex = $found_shortcodes ? _get_wptexturize_shortcode_regex( $tagnames ) : ''; |
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$regex = _get_wptexturize_split_regex( $shortcode_regex ); |
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$textarr = preg_split( $regex, $text, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY ); |
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foreach ( $textarr as &$curl ) { |
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// Only call _wptexturize_pushpop_element if $curl is a delimiter. |
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$first = $curl[0]; |
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if ( '<' === $first ) { |
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if ( '<!--' === substr( $curl, 0, 4 ) ) { |
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// This is an HTML comment delimiter. |
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continue; |
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} else { |
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// This is an HTML element delimiter. |
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// Replace each & with & unless it already looks like an entity. |
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$curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&', $curl ); |
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_wptexturize_pushpop_element( $curl, $no_texturize_tags_stack, $no_texturize_tags ); |
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} |
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|
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} elseif ( '' === trim( $curl ) ) { |
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// This is a newline between delimiters. Performance improves when we check this. |
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continue; |
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} elseif ( '[' === $first && $found_shortcodes && 1 === preg_match( '/^' . $shortcode_regex . '$/', $curl ) ) { |
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// This is a shortcode delimiter. |
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if ( '[[' !== substr( $curl, 0, 2 ) && ']]' !== substr( $curl, -2 ) ) { |
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// Looks like a normal shortcode. |
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_wptexturize_pushpop_element( $curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes ); |
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} else { |
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// Looks like an escaped shortcode. |
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continue; |
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} |
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|
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} elseif ( empty( $no_texturize_shortcodes_stack ) && empty( $no_texturize_tags_stack ) ) { |
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// This is neither a delimiter, nor is this content inside of no_texturize pairs. Do texturize. |
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$curl = str_replace( $static_characters, $static_replacements, $curl ); |
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|
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if ( false !== strpos( $curl, "'" ) ) { |
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$curl = preg_replace( $dynamic_characters['apos'], $dynamic_replacements['apos'], $curl ); |
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$curl = wptexturize_primes( $curl, "'", $prime, $open_sq_flag, $closing_single_quote ); |
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$curl = str_replace( $apos_flag, $apos, $curl ); |
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$curl = str_replace( $open_sq_flag, $opening_single_quote, $curl ); |
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} |
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if ( false !== strpos( $curl, '"' ) ) { |
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$curl = preg_replace( $dynamic_characters['quote'], $dynamic_replacements['quote'], $curl ); |
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$curl = wptexturize_primes( $curl, '"', $double_prime, $open_q_flag, $closing_quote ); |
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$curl = str_replace( $open_q_flag, $opening_quote, $curl ); |
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} |
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if ( false !== strpos( $curl, '-' ) ) { |
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$curl = preg_replace( $dynamic_characters['dash'], $dynamic_replacements['dash'], $curl ); |
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} |
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|
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// 9x9 (times), but never 0x9999 |
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if ( 1 === preg_match( '/(?<=\d)x\d/', $curl ) ) { |
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// Searching for a digit is 10 times more expensive than for the x, so we avoid doing this one! |
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$curl = preg_replace( '/\b(\d(?(?<=0)[\d\.,]+|[\d\.,]*))x(\d[\d\.,]*)\b/', '$1×$2', $curl ); |
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} |
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// Replace each & with & unless it already looks like an entity. |
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$curl = preg_replace( '/&(?!#(?:\d+|x[a-f0-9]+);|[a-z1-4]{1,8};)/i', '&', $curl ); |
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} |
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} |
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|
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return implode( '', $textarr ); |
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} |
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|
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/** |
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* Implements a logic tree to determine whether or not "7'." represents seven feet, |
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* then converts the special char into either a prime char or a closing quote char. |
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* |
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* @since 4.3.0 |
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* |
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* @param string $haystack The plain text to be searched. |
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* @param string $needle The character to search for such as ' or ". |
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* @param string $prime The prime char to use for replacement. |
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* @param string $open_quote The opening quote char. Opening quote replacement must be |
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* accomplished already. |
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* @param string $close_quote The closing quote char to use for replacement. |
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* @return string The $haystack value after primes and quotes replacements. |
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*/ |
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function wptexturize_primes( $haystack, $needle, $prime, $open_quote, $close_quote ) { |
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$spaces = wp_spaces_regexp(); |
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$flag = '<!--wp-prime-or-quote-->'; |
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$quote_pattern = "/$needle(?=\\Z|[.,:;!?)}\\-\\]]|>|" . $spaces . ")/"; |
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$prime_pattern = "/(?<=\\d)$needle/"; |
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$flag_after_digit = "/(?<=\\d)$flag/"; |
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$flag_no_digit = "/(?<!\\d)$flag/"; |
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|
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$sentences = explode( $open_quote, $haystack ); |
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|
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foreach ( $sentences as $key => &$sentence ) { |
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if ( false === strpos( $sentence, $needle ) ) { |
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continue; |
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} elseif ( 0 !== $key && 0 === substr_count( $sentence, $close_quote ) ) { |
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$sentence = preg_replace( $quote_pattern, $flag, $sentence, -1, $count ); |
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if ( $count > 1 ) { |
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// This sentence appears to have multiple closing quotes. Attempt Vulcan logic. |
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$sentence = preg_replace( $flag_no_digit, $close_quote, $sentence, -1, $count2 ); |
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if ( 0 === $count2 ) { |
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// Try looking for a quote followed by a period. |
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$count2 = substr_count( $sentence, "$flag." ); |
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if ( $count2 > 0 ) { |
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// Assume the rightmost quote-period match is the end of quotation. |
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$pos = strrpos( $sentence, "$flag." ); |
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} else { |
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// When all else fails, make the rightmost candidate a closing quote. |
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// This is most likely to be problematic in the context of bug #18549. |
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$pos = strrpos( $sentence, $flag ); |
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} |
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$sentence = substr_replace( $sentence, $close_quote, $pos, strlen( $flag ) ); |
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} |
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// Use conventional replacement on any remaining primes and quotes. |
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$sentence = preg_replace( $prime_pattern, $prime, $sentence ); |
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$sentence = preg_replace( $flag_after_digit, $prime, $sentence ); |
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$sentence = str_replace( $flag, $close_quote, $sentence ); |
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} elseif ( 1 == $count ) { |
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// Found only one closing quote candidate, so give it priority over primes. |
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$sentence = str_replace( $flag, $close_quote, $sentence ); |
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$sentence = preg_replace( $prime_pattern, $prime, $sentence ); |
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} else { |
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// No closing quotes found. Just run primes pattern. |
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$sentence = preg_replace( $prime_pattern, $prime, $sentence ); |
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} |
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} else { |
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$sentence = preg_replace( $prime_pattern, $prime, $sentence ); |
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$sentence = preg_replace( $quote_pattern, $close_quote, $sentence ); |
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} |
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if ( '"' == $needle && false !== strpos( $sentence, '"' ) ) { |
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$sentence = str_replace( '"', $close_quote, $sentence ); |
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} |
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} |
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|
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return implode( $open_quote, $sentences ); |
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} |
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|
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/** |
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* Search for disabled element tags. Push element to stack on tag open and pop |
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* on tag close. |
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* |
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* Assumes first char of $text is tag opening and last char is tag closing. |
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* Assumes second char of $text is optionally '/' to indicate closing as in </html>. |
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* |
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* @since 2.9.0 |
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* @access private |
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* |
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* @param string $text Text to check. Must be a tag like `<html>` or `[shortcode]`. |
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* @param array $stack List of open tag elements. |
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* @param array $disabled_elements The tag names to match against. Spaces are not allowed in tag names. |
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*/ |
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function _wptexturize_pushpop_element( $text, &$stack, $disabled_elements ) { |
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// Is it an opening tag or closing tag? |
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if ( isset( $text[1] ) && '/' !== $text[1] ) { |
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$opening_tag = true; |
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$name_offset = 1; |
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} elseif ( 0 == count( $stack ) ) { |
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// Stack is empty. Just stop. |
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return; |
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} else { |
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$opening_tag = false; |
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$name_offset = 2; |
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} |
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|
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// Parse out the tag name. |
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$space = strpos( $text, ' ' ); |
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if ( false === $space ) { |
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$space = -1; |
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} else { |
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$space -= $name_offset; |
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} |
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$tag = substr( $text, $name_offset, $space ); |
|
|
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// Handle disabled tags. |
|
if ( in_array( $tag, $disabled_elements ) ) { |
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if ( $opening_tag ) { |
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/* |
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* This disables texturize until we find a closing tag of our type |
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* (e.g. <pre>) even if there was invalid nesting before that |
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* |
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* Example: in the case <pre>sadsadasd</code>"baba"</pre> |
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* "baba" won't be texturize |
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*/ |
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|
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array_push( $stack, $tag ); |
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} elseif ( end( $stack ) == $tag ) { |
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array_pop( $stack ); |
|
} |
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} |
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} |
|
|
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/** |
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* Replaces double line-breaks with paragraph elements. |
|
* |
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* A group of regex replaces used to identify text formatted with newlines and |
|
* replace double line-breaks with HTML paragraph tags. The remaining line-breaks |
|
* after conversion become <<br />> tags, unless $br is set to '0' or 'false'. |
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* |
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* @since 0.71 |
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* |
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* @param string $pee The text which has to be formatted. |
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* @param bool $br Optional. If set, this will convert all remaining line-breaks |
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* after paragraphing. Default true. |
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* @return string Text which has been converted into correct paragraph tags. |
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*/ |
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function wpautop( $pee, $br = true ) { |
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$pre_tags = array(); |
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|
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if ( trim($pee) === '' ) |
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return ''; |
|
|
|
// Just to make things a little easier, pad the end. |
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$pee = $pee . "\n"; |
|
|
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/* |
|
* Pre tags shouldn't be touched by autop. |
|
* Replace pre tags with placeholders and bring them back after autop. |
|
*/ |
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if ( strpos($pee, '<pre') !== false ) { |
|
$pee_parts = explode( '</pre>', $pee ); |
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$last_pee = array_pop($pee_parts); |
|
$pee = ''; |
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$i = 0; |
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|
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foreach ( $pee_parts as $pee_part ) { |
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$start = strpos($pee_part, '<pre'); |
|
|
|
// Malformed html? |
|
if ( $start === false ) { |
|
$pee .= $pee_part; |
|
continue; |
|
} |
|
|
|
$name = "<pre wp-pre-tag-$i></pre>"; |
|
$pre_tags[$name] = substr( $pee_part, $start ) . '</pre>'; |
|
|
|
$pee .= substr( $pee_part, 0, $start ) . $name; |
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$i++; |
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} |
|
|
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$pee .= $last_pee; |
|
} |
|
// Change multiple <br>s into two line breaks, which will turn into paragraphs. |
|
$pee = preg_replace('|<br\s*/?>\s*<br\s*/?>|', "\n\n", $pee); |
|
|
|
$allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)'; |
|
|
|
// Add a double line break above block-level opening tags. |
|
$pee = preg_replace('!(<' . $allblocks . '[\s/>])!', "\n\n$1", $pee); |
|
|
|
// Add a double line break below block-level closing tags. |
|
$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee); |
|
|
|
// Standardize newline characters to "\n". |
|
$pee = str_replace(array("\r\n", "\r"), "\n", $pee); |
|
|
|
// Find newlines in all elements and add placeholders. |
|
$pee = wp_replace_in_html_tags( $pee, array( "\n" => " <!-- wpnl --> " ) ); |
|
|
|
// Collapse line breaks before and after <option> elements so they don't get autop'd. |
|
if ( strpos( $pee, '<option' ) !== false ) { |
|
$pee = preg_replace( '|\s*<option|', '<option', $pee ); |
|
$pee = preg_replace( '|</option>\s*|', '</option>', $pee ); |
|
} |
|
|
|
/* |
|
* Collapse line breaks inside <object> elements, before <param> and <embed> elements |
|
* so they don't get autop'd. |
|
*/ |
|
if ( strpos( $pee, '</object>' ) !== false ) { |
|
$pee = preg_replace( '|(<object[^>]*>)\s*|', '$1', $pee ); |
|
$pee = preg_replace( '|\s*</object>|', '</object>', $pee ); |
|
$pee = preg_replace( '%\s*(</?(?:param|embed)[^>]*>)\s*%', '$1', $pee ); |
|
} |
|
|
|
/* |
|
* Collapse line breaks inside <audio> and <video> elements, |
|
* before and after <source> and <track> elements. |
|
*/ |
|
if ( strpos( $pee, '<source' ) !== false || strpos( $pee, '<track' ) !== false ) { |
|
$pee = preg_replace( '%([<\[](?:audio|video)[^>\]]*[>\]])\s*%', '$1', $pee ); |
|
$pee = preg_replace( '%\s*([<\[]/(?:audio|video)[>\]])%', '$1', $pee ); |
|
$pee = preg_replace( '%\s*(<(?:source|track)[^>]*>)\s*%', '$1', $pee ); |
|
} |
|
|
|
// Collapse line breaks before and after <figcaption> elements. |
|
if ( strpos( $pee, '<figcaption' ) !== false ) { |
|
$pee = preg_replace( '|\s*(<figcaption[^>]*>)|', '$1', $pee ); |
|
$pee = preg_replace( '|</figcaption>\s*|', '</figcaption>', $pee ); |
|
} |
|
|
|
// Remove more than two contiguous line breaks. |
|
$pee = preg_replace("/\n\n+/", "\n\n", $pee); |
|
|
|
// Split up the contents into an array of strings, separated by double line breaks. |
|
$pees = preg_split('/\n\s*\n/', $pee, -1, PREG_SPLIT_NO_EMPTY); |
|
|
|
// Reset $pee prior to rebuilding. |
|
$pee = ''; |
|
|
|
// Rebuild the content as a string, wrapping every bit with a <p>. |
|
foreach ( $pees as $tinkle ) { |
|
$pee .= '<p>' . trim($tinkle, "\n") . "</p>\n"; |
|
} |
|
|
|
// Under certain strange conditions it could create a P of entirely whitespace. |
|
$pee = preg_replace('|<p>\s*</p>|', '', $pee); |
|
|
|
// Add a closing <p> inside <div>, <address>, or <form> tag if missing. |
|
$pee = preg_replace('!<p>([^<]+)</(div|address|form)>!', "<p>$1</p></$2>", $pee); |
|
|
|
// If an opening or closing block element tag is wrapped in a <p>, unwrap it. |
|
$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); |
|
|
|
// In some cases <li> may get wrapped in <p>, fix them. |
|
$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); |
|
|
|
// If a <blockquote> is wrapped with a <p>, move it inside the <blockquote>. |
|
$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee); |
|
$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee); |
|
|
|
// If an opening or closing block element tag is preceded by an opening <p> tag, remove it. |
|
$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee); |
|
|
|
// If an opening or closing block element tag is followed by a closing <p> tag, remove it. |
|
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee); |
|
|
|
// Optionally insert line breaks. |
|
if ( $br ) { |
|
// Replace newlines that shouldn't be touched with a placeholder. |
|
$pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee); |
|
|
|
// Normalize <br> |
|
$pee = str_replace( array( '<br>', '<br/>' ), '<br />', $pee ); |
|
|
|
// Replace any new line characters that aren't preceded by a <br /> with a <br />. |
|
$pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); |
|
|
|
// Replace newline placeholders with newlines. |
|
$pee = str_replace('<WPPreserveNewline />', "\n", $pee); |
|
} |
|
|
|
// If a <br /> tag is after an opening or closing block tag, remove it. |
|
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee); |
|
|
|
// If a <br /> tag is before a subset of opening or closing block tags, remove it. |
|
$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee); |
|
$pee = preg_replace( "|\n</p>$|", '</p>', $pee ); |
|
|
|
// Replace placeholder <pre> tags with their original content. |
|
if ( !empty($pre_tags) ) |
|
$pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee); |
|
|
|
// Restore newlines in all elements. |
|
if ( false !== strpos( $pee, '<!-- wpnl -->' ) ) { |
|
$pee = str_replace( array( ' <!-- wpnl --> ', '<!-- wpnl -->' ), "\n", $pee ); |
|
} |
|
|
|
return $pee; |
|
} |
|
|
|
/** |
|
* Separate HTML elements and comments from the text. |
|
* |
|
* @since 4.2.4 |
|
* |
|
* @param string $input The text which has to be formatted. |
|
* @return array The formatted text. |
|
*/ |
|
function wp_html_split( $input ) { |
|
return preg_split( get_html_split_regex(), $input, -1, PREG_SPLIT_DELIM_CAPTURE ); |
|
} |
|
|
|
/** |
|
* Retrieve the regular expression for an HTML element. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @staticvar string $regex |
|
* |
|
* @return string The regular expression |
|
*/ |
|
function get_html_split_regex() { |
|
static $regex; |
|
|
|
if ( ! isset( $regex ) ) { |
|
$comments = |
|
'!' // Start of comment, after the <. |
|
. '(?:' // Unroll the loop: Consume everything until --> is found. |
|
. '-(?!->)' // Dash not followed by end of comment. |
|
. '[^\-]*+' // Consume non-dashes. |
|
. ')*+' // Loop possessively. |
|
. '(?:-->)?'; // End of comment. If not found, match all input. |
|
|
|
$cdata = |
|
'!\[CDATA\[' // Start of comment, after the <. |
|
. '[^\]]*+' // Consume non-]. |
|
. '(?:' // Unroll the loop: Consume everything until ]]> is found. |
|
. '](?!]>)' // One ] not followed by end of comment. |
|
. '[^\]]*+' // Consume non-]. |
|
. ')*+' // Loop possessively. |
|
. '(?:]]>)?'; // End of comment. If not found, match all input. |
|
|
|
$escaped = |
|
'(?=' // Is the element escaped? |
|
. '!--' |
|
. '|' |
|
. '!\[CDATA\[' |
|
. ')' |
|
. '(?(?=!-)' // If yes, which type? |
|
. $comments |
|
. '|' |
|
. $cdata |
|
. ')'; |
|
|
|
$regex = |
|
'/(' // Capture the entire match. |
|
. '<' // Find start of element. |
|
. '(?' // Conditional expression follows. |
|
. $escaped // Find end of escaped element. |
|
. '|' // ... else ... |
|
. '[^>]*>?' // Find end of normal element. |
|
. ')' |
|
. ')/'; |
|
} |
|
|
|
return $regex; |
|
} |
|
|
|
/** |
|
* Retrieve the combined regular expression for HTML and shortcodes. |
|
* |
|
* @access private |
|
* @ignore |
|
* @internal This function will be removed in 4.5.0 per Shortcode API Roadmap. |
|
* @since 4.4.0 |
|
* |
|
* @staticvar string $html_regex |
|
* |
|
* @param string $shortcode_regex The result from _get_wptexturize_shortcode_regex(). Optional. |
|
* @return string The regular expression |
|
*/ |
|
function _get_wptexturize_split_regex( $shortcode_regex = '' ) { |
|
static $html_regex; |
|
|
|
if ( ! isset( $html_regex ) ) { |
|
$comment_regex = |
|
'!' // Start of comment, after the <. |
|
. '(?:' // Unroll the loop: Consume everything until --> is found. |
|
. '-(?!->)' // Dash not followed by end of comment. |
|
. '[^\-]*+' // Consume non-dashes. |
|
. ')*+' // Loop possessively. |
|
. '(?:-->)?'; // End of comment. If not found, match all input. |
|
|
|
$html_regex = // Needs replaced with wp_html_split() per Shortcode API Roadmap. |
|
'<' // Find start of element. |
|
. '(?(?=!--)' // Is this a comment? |
|
. $comment_regex // Find end of comment. |
|
. '|' |
|
. '[^>]*>?' // Find end of element. If not found, match all input. |
|
. ')'; |
|
} |
|
|
|
if ( empty( $shortcode_regex ) ) { |
|
$regex = '/(' . $html_regex . ')/'; |
|
} else { |
|
$regex = '/(' . $html_regex . '|' . $shortcode_regex . ')/'; |
|
} |
|
|
|
return $regex; |
|
} |
|
|
|
/** |
|
* Retrieve the regular expression for shortcodes. |
|
* |
|
* @access private |
|
* @ignore |
|
* @internal This function will be removed in 4.5.0 per Shortcode API Roadmap. |
|
* @since 4.4.0 |
|
* |
|
* @param array $tagnames List of shortcodes to find. |
|
* @return string The regular expression |
|
*/ |
|
function _get_wptexturize_shortcode_regex( $tagnames ) { |
|
$tagregexp = join( '|', array_map( 'preg_quote', $tagnames ) ); |
|
$tagregexp = "(?:$tagregexp)(?=[\\s\\]\\/])"; // Excerpt of get_shortcode_regex(). |
|
$regex = |
|
'\[' // Find start of shortcode. |
|
. '[\/\[]?' // Shortcodes may begin with [/ or [[ |
|
. $tagregexp // Only match registered shortcodes, because performance. |
|
. '(?:' |
|
. '[^\[\]<>]+' // Shortcodes do not contain other shortcodes. Quantifier critical. |
|
. '|' |
|
. '<[^\[\]>]*>' // HTML elements permitted. Prevents matching ] before >. |
|
. ')*+' // Possessive critical. |
|
. '\]' // Find end of shortcode. |
|
. '\]?'; // Shortcodes may end with ]] |
|
|
|
return $regex; |
|
} |
|
|
|
/** |
|
* Replace characters or phrases within HTML elements only. |
|
* |
|
* @since 4.2.3 |
|
* |
|
* @param string $haystack The text which has to be formatted. |
|
* @param array $replace_pairs In the form array('from' => 'to', ...). |
|
* @return string The formatted text. |
|
*/ |
|
function wp_replace_in_html_tags( $haystack, $replace_pairs ) { |
|
// Find all elements. |
|
$textarr = wp_html_split( $haystack ); |
|
$changed = false; |
|
|
|
// Optimize when searching for one item. |
|
if ( 1 === count( $replace_pairs ) ) { |
|
// Extract $needle and $replace. |
|
foreach ( $replace_pairs as $needle => $replace ); |
|
|
|
// Loop through delimiters (elements) only. |
|
for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) { |
|
if ( false !== strpos( $textarr[$i], $needle ) ) { |
|
$textarr[$i] = str_replace( $needle, $replace, $textarr[$i] ); |
|
$changed = true; |
|
} |
|
} |
|
} else { |
|
// Extract all $needles. |
|
$needles = array_keys( $replace_pairs ); |
|
|
|
// Loop through delimiters (elements) only. |
|
for ( $i = 1, $c = count( $textarr ); $i < $c; $i += 2 ) { |
|
foreach ( $needles as $needle ) { |
|
if ( false !== strpos( $textarr[$i], $needle ) ) { |
|
$textarr[$i] = strtr( $textarr[$i], $replace_pairs ); |
|
$changed = true; |
|
// After one strtr() break out of the foreach loop and look at next element. |
|
break; |
|
} |
|
} |
|
} |
|
} |
|
|
|
if ( $changed ) { |
|
$haystack = implode( $textarr ); |
|
} |
|
|
|
return $haystack; |
|
} |
|
|
|
/** |
|
* Newline preservation help function for wpautop |
|
* |
|
* @since 3.1.0 |
|
* @access private |
|
* |
|
* @param array $matches preg_replace_callback matches array |
|
* @return string |
|
*/ |
|
function _autop_newline_preservation_helper( $matches ) { |
|
return str_replace( "\n", "<WPPreserveNewline />", $matches[0] ); |
|
} |
|
|
|
/** |
|
* Don't auto-p wrap shortcodes that stand alone |
|
* |
|
* Ensures that shortcodes are not wrapped in `<p>...</p>`. |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @global array $shortcode_tags |
|
* |
|
* @param string $pee The content. |
|
* @return string The filtered content. |
|
*/ |
|
function shortcode_unautop( $pee ) { |
|
global $shortcode_tags; |
|
|
|
if ( empty( $shortcode_tags ) || !is_array( $shortcode_tags ) ) { |
|
return $pee; |
|
} |
|
|
|
$tagregexp = join( '|', array_map( 'preg_quote', array_keys( $shortcode_tags ) ) ); |
|
$spaces = wp_spaces_regexp(); |
|
|
|
$pattern = |
|
'/' |
|
. '<p>' // Opening paragraph |
|
. '(?:' . $spaces . ')*+' // Optional leading whitespace |
|
. '(' // 1: The shortcode |
|
. '\\[' // Opening bracket |
|
. "($tagregexp)" // 2: Shortcode name |
|
. '(?![\\w-])' // Not followed by word character or hyphen |
|
// Unroll the loop: Inside the opening shortcode tag |
|
. '[^\\]\\/]*' // Not a closing bracket or forward slash |
|
. '(?:' |
|
. '\\/(?!\\])' // A forward slash not followed by a closing bracket |
|
. '[^\\]\\/]*' // Not a closing bracket or forward slash |
|
. ')*?' |
|
. '(?:' |
|
. '\\/\\]' // Self closing tag and closing bracket |
|
. '|' |
|
. '\\]' // Closing bracket |
|
. '(?:' // Unroll the loop: Optionally, anything between the opening and closing shortcode tags |
|
. '[^\\[]*+' // Not an opening bracket |
|
. '(?:' |
|
. '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag |
|
. '[^\\[]*+' // Not an opening bracket |
|
. ')*+' |
|
. '\\[\\/\\2\\]' // Closing shortcode tag |
|
. ')?' |
|
. ')' |
|
. ')' |
|
. '(?:' . $spaces . ')*+' // optional trailing whitespace |
|
. '<\\/p>' // closing paragraph |
|
. '/'; |
|
|
|
return preg_replace( $pattern, '$1', $pee ); |
|
} |
|
|
|
/** |
|
* Checks to see if a string is utf8 encoded. |
|
* |
|
* NOTE: This function checks for 5-Byte sequences, UTF8 |
|
* has Bytes Sequences with a maximum length of 4. |
|
* |
|
* @author bmorel at ssi dot fr (modified) |
|
* @since 1.2.1 |
|
* |
|
* @param string $str The string to be checked |
|
* @return bool True if $str fits a UTF-8 model, false otherwise. |
|
*/ |
|
function seems_utf8( $str ) { |
|
mbstring_binary_safe_encoding(); |
|
$length = strlen($str); |
|
reset_mbstring_encoding(); |
|
for ($i=0; $i < $length; $i++) { |
|
$c = ord($str[$i]); |
|
if ($c < 0x80) $n = 0; // 0bbbbbbb |
|
elseif (($c & 0xE0) == 0xC0) $n=1; // 110bbbbb |
|
elseif (($c & 0xF0) == 0xE0) $n=2; // 1110bbbb |
|
elseif (($c & 0xF8) == 0xF0) $n=3; // 11110bbb |
|
elseif (($c & 0xFC) == 0xF8) $n=4; // 111110bb |
|
elseif (($c & 0xFE) == 0xFC) $n=5; // 1111110b |
|
else return false; // Does not match any model |
|
for ($j=0; $j<$n; $j++) { // n bytes matching 10bbbbbb follow ? |
|
if ((++$i == $length) || ((ord($str[$i]) & 0xC0) != 0x80)) |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
/** |
|
* Converts a number of special characters into their HTML entities. |
|
* |
|
* Specifically deals with: &, <, >, ", and '. |
|
* |
|
* $quote_style can be set to ENT_COMPAT to encode " to |
|
* ", or ENT_QUOTES to do both. Default is ENT_NOQUOTES where no quotes are encoded. |
|
* |
|
* @since 1.2.2 |
|
* @access private |
|
* |
|
* @staticvar string $_charset |
|
* |
|
* @param string $string The text which is to be encoded. |
|
* @param int|string $quote_style Optional. Converts double quotes if set to ENT_COMPAT, |
|
* both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES. |
|
* Also compatible with old values; converting single quotes if set to 'single', |
|
* double if set to 'double' or both if otherwise set. |
|
* Default is ENT_NOQUOTES. |
|
* @param string $charset Optional. The character encoding of the string. Default is false. |
|
* @param bool $double_encode Optional. Whether to encode existing html entities. Default is false. |
|
* @return string The encoded text with HTML entities. |
|
*/ |
|
function _wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) { |
|
$string = (string) $string; |
|
|
|
if ( 0 === strlen( $string ) ) |
|
return ''; |
|
|
|
// Don't bother if there are no specialchars - saves some processing |
|
if ( ! preg_match( '/[&<>"\']/', $string ) ) |
|
return $string; |
|
|
|
// Account for the previous behaviour of the function when the $quote_style is not an accepted value |
|
if ( empty( $quote_style ) ) |
|
$quote_style = ENT_NOQUOTES; |
|
elseif ( ! in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) |
|
$quote_style = ENT_QUOTES; |
|
|
|
// Store the site charset as a static to avoid multiple calls to wp_load_alloptions() |
|
if ( ! $charset ) { |
|
static $_charset = null; |
|
if ( ! isset( $_charset ) ) { |
|
$alloptions = wp_load_alloptions(); |
|
$_charset = isset( $alloptions['blog_charset'] ) ? $alloptions['blog_charset'] : ''; |
|
} |
|
$charset = $_charset; |
|
} |
|
|
|
if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) ) |
|
$charset = 'UTF-8'; |
|
|
|
$_quote_style = $quote_style; |
|
|
|
if ( $quote_style === 'double' ) { |
|
$quote_style = ENT_COMPAT; |
|
$_quote_style = ENT_COMPAT; |
|
} elseif ( $quote_style === 'single' ) { |
|
$quote_style = ENT_NOQUOTES; |
|
} |
|
|
|
if ( ! $double_encode ) { |
|
// Guarantee every &entity; is valid, convert &garbage; into &garbage; |
|
// This is required for PHP < 5.4.0 because ENT_HTML401 flag is unavailable. |
|
$string = wp_kses_normalize_entities( $string ); |
|
} |
|
|
|
$string = @htmlspecialchars( $string, $quote_style, $charset, $double_encode ); |
|
|
|
// Back-compat. |
|
if ( 'single' === $_quote_style ) |
|
$string = str_replace( "'", ''', $string ); |
|
|
|
return $string; |
|
} |
|
|
|
/** |
|
* Converts a number of HTML entities into their special characters. |
|
* |
|
* Specifically deals with: &, <, >, ", and '. |
|
* |
|
* $quote_style can be set to ENT_COMPAT to decode " entities, |
|
* or ENT_QUOTES to do both " and '. Default is ENT_NOQUOTES where no quotes are decoded. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $string The text which is to be decoded. |
|
* @param string|int $quote_style Optional. Converts double quotes if set to ENT_COMPAT, |
|
* both single and double if set to ENT_QUOTES or |
|
* none if set to ENT_NOQUOTES. |
|
* Also compatible with old _wp_specialchars() values; |
|
* converting single quotes if set to 'single', |
|
* double if set to 'double' or both if otherwise set. |
|
* Default is ENT_NOQUOTES. |
|
* @return string The decoded text without HTML entities. |
|
*/ |
|
function wp_specialchars_decode( $string, $quote_style = ENT_NOQUOTES ) { |
|
$string = (string) $string; |
|
|
|
if ( 0 === strlen( $string ) ) { |
|
return ''; |
|
} |
|
|
|
// Don't bother if there are no entities - saves a lot of processing |
|
if ( strpos( $string, '&' ) === false ) { |
|
return $string; |
|
} |
|
|
|
// Match the previous behaviour of _wp_specialchars() when the $quote_style is not an accepted value |
|
if ( empty( $quote_style ) ) { |
|
$quote_style = ENT_NOQUOTES; |
|
} elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) { |
|
$quote_style = ENT_QUOTES; |
|
} |
|
|
|
// More complete than get_html_translation_table( HTML_SPECIALCHARS ) |
|
$single = array( ''' => '\'', ''' => '\'' ); |
|
$single_preg = array( '/�*39;/' => ''', '/�*27;/i' => ''' ); |
|
$double = array( '"' => '"', '"' => '"', '"' => '"' ); |
|
$double_preg = array( '/�*34;/' => '"', '/�*22;/i' => '"' ); |
|
$others = array( '<' => '<', '<' => '<', '>' => '>', '>' => '>', '&' => '&', '&' => '&', '&' => '&' ); |
|
$others_preg = array( '/�*60;/' => '<', '/�*62;/' => '>', '/�*38;/' => '&', '/�*26;/i' => '&' ); |
|
|
|
if ( $quote_style === ENT_QUOTES ) { |
|
$translation = array_merge( $single, $double, $others ); |
|
$translation_preg = array_merge( $single_preg, $double_preg, $others_preg ); |
|
} elseif ( $quote_style === ENT_COMPAT || $quote_style === 'double' ) { |
|
$translation = array_merge( $double, $others ); |
|
$translation_preg = array_merge( $double_preg, $others_preg ); |
|
} elseif ( $quote_style === 'single' ) { |
|
$translation = array_merge( $single, $others ); |
|
$translation_preg = array_merge( $single_preg, $others_preg ); |
|
} elseif ( $quote_style === ENT_NOQUOTES ) { |
|
$translation = $others; |
|
$translation_preg = $others_preg; |
|
} |
|
|
|
// Remove zero padding on numeric entities |
|
$string = preg_replace( array_keys( $translation_preg ), array_values( $translation_preg ), $string ); |
|
|
|
// Replace characters according to translation table |
|
return strtr( $string, $translation ); |
|
} |
|
|
|
/** |
|
* Checks for invalid UTF8 in a string. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @staticvar bool $is_utf8 |
|
* @staticvar bool $utf8_pcre |
|
* |
|
* @param string $string The text which is to be checked. |
|
* @param bool $strip Optional. Whether to attempt to strip out invalid UTF8. Default is false. |
|
* @return string The checked text. |
|
*/ |
|
function wp_check_invalid_utf8( $string, $strip = false ) { |
|
$string = (string) $string; |
|
|
|
if ( 0 === strlen( $string ) ) { |
|
return ''; |
|
} |
|
|
|
// Store the site charset as a static to avoid multiple calls to get_option() |
|
static $is_utf8 = null; |
|
if ( ! isset( $is_utf8 ) ) { |
|
$is_utf8 = in_array( get_option( 'blog_charset' ), array( 'utf8', 'utf-8', 'UTF8', 'UTF-8' ) ); |
|
} |
|
if ( ! $is_utf8 ) { |
|
return $string; |
|
} |
|
|
|
// Check for support for utf8 in the installed PCRE library once and store the result in a static |
|
static $utf8_pcre = null; |
|
if ( ! isset( $utf8_pcre ) ) { |
|
$utf8_pcre = @preg_match( '/^./u', 'a' ); |
|
} |
|
// We can't demand utf8 in the PCRE installation, so just return the string in those cases |
|
if ( !$utf8_pcre ) { |
|
return $string; |
|
} |
|
|
|
// preg_match fails when it encounters invalid UTF8 in $string |
|
if ( 1 === @preg_match( '/^./us', $string ) ) { |
|
return $string; |
|
} |
|
|
|
// Attempt to strip the bad chars if requested (not recommended) |
|
if ( $strip && function_exists( 'iconv' ) ) { |
|
return iconv( 'utf-8', 'utf-8', $string ); |
|
} |
|
|
|
return ''; |
|
} |
|
|
|
/** |
|
* Encode the Unicode values to be used in the URI. |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $utf8_string |
|
* @param int $length Max length of the string |
|
* @return string String with Unicode encoded for URI. |
|
*/ |
|
function utf8_uri_encode( $utf8_string, $length = 0 ) { |
|
$unicode = ''; |
|
$values = array(); |
|
$num_octets = 1; |
|
$unicode_length = 0; |
|
|
|
mbstring_binary_safe_encoding(); |
|
$string_length = strlen( $utf8_string ); |
|
reset_mbstring_encoding(); |
|
|
|
for ($i = 0; $i < $string_length; $i++ ) { |
|
|
|
$value = ord( $utf8_string[ $i ] ); |
|
|
|
if ( $value < 128 ) { |
|
if ( $length && ( $unicode_length >= $length ) ) |
|
break; |
|
$unicode .= chr($value); |
|
$unicode_length++; |
|
} else { |
|
if ( count( $values ) == 0 ) { |
|
if ( $value < 224 ) { |
|
$num_octets = 2; |
|
} elseif ( $value < 240 ) { |
|
$num_octets = 3; |
|
} else { |
|
$num_octets = 4; |
|
} |
|
} |
|
|
|
$values[] = $value; |
|
|
|
if ( $length && ( $unicode_length + ($num_octets * 3) ) > $length ) |
|
break; |
|
if ( count( $values ) == $num_octets ) { |
|
for ( $j = 0; $j < $num_octets; $j++ ) { |
|
$unicode .= '%' . dechex( $values[ $j ] ); |
|
} |
|
|
|
$unicode_length += $num_octets * 3; |
|
|
|
$values = array(); |
|
$num_octets = 1; |
|
} |
|
} |
|
} |
|
|
|
return $unicode; |
|
} |
|
|
|
/** |
|
* Converts all accent characters to ASCII characters. |
|
* |
|
* If there are no accent characters, then the string given is just returned. |
|
* |
|
* **Accent characters converted:** |
|
* |
|
* Currency signs: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | ------------------- | |
|
* | U+00A3 | £ | (empty) | British Pound sign | |
|
* | U+20AC | € | E | Euro sign | |
|
* |
|
* Decompositions for Latin-1 Supplement: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | ------- | ----- | ----------- | -------------------------------------- | |
|
* | U+00AA | ª | a | Feminine ordinal indicator | |
|
* | U+00BA | º | o | Masculine ordinal indicator | |
|
* | U+00C0 | À | A | Latin capital letter A with grave | |
|
* | U+00C1 | Á | A | Latin capital letter A with acute | |
|
* | U+00C2 | Â | A | Latin capital letter A with circumflex | |
|
* | U+00C3 | Ã | A | Latin capital letter A with tilde | |
|
* | U+00C4 | Ä | A | Latin capital letter A with diaeresis | |
|
* | U+00C5 | Å | A | Latin capital letter A with ring above | |
|
* | U+00C6 | Æ | AE | Latin capital letter AE | |
|
* | U+00C7 | Ç | C | Latin capital letter C with cedilla | |
|
* | U+00C8 | È | E | Latin capital letter E with grave | |
|
* | U+00C9 | É | E | Latin capital letter E with acute | |
|
* | U+00CA | Ê | E | Latin capital letter E with circumflex | |
|
* | U+00CB | Ë | E | Latin capital letter E with diaeresis | |
|
* | U+00CC | Ì | I | Latin capital letter I with grave | |
|
* | U+00CD | Í | I | Latin capital letter I with acute | |
|
* | U+00CE | Î | I | Latin capital letter I with circumflex | |
|
* | U+00CF | Ï | I | Latin capital letter I with diaeresis | |
|
* | U+00D0 | Ð | D | Latin capital letter Eth | |
|
* | U+00D1 | Ñ | N | Latin capital letter N with tilde | |
|
* | U+00D2 | Ò | O | Latin capital letter O with grave | |
|
* | U+00D3 | Ó | O | Latin capital letter O with acute | |
|
* | U+00D4 | Ô | O | Latin capital letter O with circumflex | |
|
* | U+00D5 | Õ | O | Latin capital letter O with tilde | |
|
* | U+00D6 | Ö | O | Latin capital letter O with diaeresis | |
|
* | U+00D8 | Ø | O | Latin capital letter O with stroke | |
|
* | U+00D9 | Ù | U | Latin capital letter U with grave | |
|
* | U+00DA | Ú | U | Latin capital letter U with acute | |
|
* | U+00DB | Û | U | Latin capital letter U with circumflex | |
|
* | U+00DC | Ü | U | Latin capital letter U with diaeresis | |
|
* | U+00DD | Ý | Y | Latin capital letter Y with acute | |
|
* | U+00DE | Þ | TH | Latin capital letter Thorn | |
|
* | U+00DF | ß | s | Latin small letter sharp s | |
|
* | U+00E0 | à | a | Latin small letter a with grave | |
|
* | U+00E1 | á | a | Latin small letter a with acute | |
|
* | U+00E2 | â | a | Latin small letter a with circumflex | |
|
* | U+00E3 | ã | a | Latin small letter a with tilde | |
|
* | U+00E4 | ä | a | Latin small letter a with diaeresis | |
|
* | U+00E5 | å | a | Latin small letter a with ring above | |
|
* | U+00E6 | æ | ae | Latin small letter ae | |
|
* | U+00E7 | ç | c | Latin small letter c with cedilla | |
|
* | U+00E8 | è | e | Latin small letter e with grave | |
|
* | U+00E9 | é | e | Latin small letter e with acute | |
|
* | U+00EA | ê | e | Latin small letter e with circumflex | |
|
* | U+00EB | ë | e | Latin small letter e with diaeresis | |
|
* | U+00EC | ì | i | Latin small letter i with grave | |
|
* | U+00ED | í | i | Latin small letter i with acute | |
|
* | U+00EE | î | i | Latin small letter i with circumflex | |
|
* | U+00EF | ï | i | Latin small letter i with diaeresis | |
|
* | U+00F0 | ð | d | Latin small letter Eth | |
|
* | U+00F1 | ñ | n | Latin small letter n with tilde | |
|
* | U+00F2 | ò | o | Latin small letter o with grave | |
|
* | U+00F3 | ó | o | Latin small letter o with acute | |
|
* | U+00F4 | ô | o | Latin small letter o with circumflex | |
|
* | U+00F5 | õ | o | Latin small letter o with tilde | |
|
* | U+00F6 | ö | o | Latin small letter o with diaeresis | |
|
* | U+00F8 | ø | o | Latin small letter o with stroke | |
|
* | U+00F9 | ù | u | Latin small letter u with grave | |
|
* | U+00FA | ú | u | Latin small letter u with acute | |
|
* | U+00FB | û | u | Latin small letter u with circumflex | |
|
* | U+00FC | ü | u | Latin small letter u with diaeresis | |
|
* | U+00FD | ý | y | Latin small letter y with acute | |
|
* | U+00FE | þ | th | Latin small letter Thorn | |
|
* | U+00FF | ÿ | y | Latin small letter y with diaeresis | |
|
* |
|
* Decompositions for Latin Extended-A: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | ------- | ----- | ----------- | ------------------------------------------------- | |
|
* | U+0100 | Ā | A | Latin capital letter A with macron | |
|
* | U+0101 | ā | a | Latin small letter a with macron | |
|
* | U+0102 | Ă | A | Latin capital letter A with breve | |
|
* | U+0103 | ă | a | Latin small letter a with breve | |
|
* | U+0104 | Ą | A | Latin capital letter A with ogonek | |
|
* | U+0105 | ą | a | Latin small letter a with ogonek | |
|
* | U+01006 | Ć | C | Latin capital letter C with acute | |
|
* | U+0107 | ć | c | Latin small letter c with acute | |
|
* | U+0108 | Ĉ | C | Latin capital letter C with circumflex | |
|
* | U+0109 | ĉ | c | Latin small letter c with circumflex | |
|
* | U+010A | Ċ | C | Latin capital letter C with dot above | |
|
* | U+010B | ċ | c | Latin small letter c with dot above | |
|
* | U+010C | Č | C | Latin capital letter C with caron | |
|
* | U+010D | č | c | Latin small letter c with caron | |
|
* | U+010E | Ď | D | Latin capital letter D with caron | |
|
* | U+010F | ď | d | Latin small letter d with caron | |
|
* | U+0110 | Đ | D | Latin capital letter D with stroke | |
|
* | U+0111 | đ | d | Latin small letter d with stroke | |
|
* | U+0112 | Ē | E | Latin capital letter E with macron | |
|
* | U+0113 | ē | e | Latin small letter e with macron | |
|
* | U+0114 | Ĕ | E | Latin capital letter E with breve | |
|
* | U+0115 | ĕ | e | Latin small letter e with breve | |
|
* | U+0116 | Ė | E | Latin capital letter E with dot above | |
|
* | U+0117 | ė | e | Latin small letter e with dot above | |
|
* | U+0118 | Ę | E | Latin capital letter E with ogonek | |
|
* | U+0119 | ę | e | Latin small letter e with ogonek | |
|
* | U+011A | Ě | E | Latin capital letter E with caron | |
|
* | U+011B | ě | e | Latin small letter e with caron | |
|
* | U+011C | Ĝ | G | Latin capital letter G with circumflex | |
|
* | U+011D | ĝ | g | Latin small letter g with circumflex | |
|
* | U+011E | Ğ | G | Latin capital letter G with breve | |
|
* | U+011F | ğ | g | Latin small letter g with breve | |
|
* | U+0120 | Ġ | G | Latin capital letter G with dot above | |
|
* | U+0121 | ġ | g | Latin small letter g with dot above | |
|
* | U+0122 | Ģ | G | Latin capital letter G with cedilla | |
|
* | U+0123 | ģ | g | Latin small letter g with cedilla | |
|
* | U+0124 | Ĥ | H | Latin capital letter H with circumflex | |
|
* | U+0125 | ĥ | h | Latin small letter h with circumflex | |
|
* | U+0126 | Ħ | H | Latin capital letter H with stroke | |
|
* | U+0127 | ħ | h | Latin small letter h with stroke | |
|
* | U+0128 | Ĩ | I | Latin capital letter I with tilde | |
|
* | U+0129 | ĩ | i | Latin small letter i with tilde | |
|
* | U+012A | Ī | I | Latin capital letter I with macron | |
|
* | U+012B | ī | i | Latin small letter i with macron | |
|
* | U+012C | Ĭ | I | Latin capital letter I with breve | |
|
* | U+012D | ĭ | i | Latin small letter i with breve | |
|
* | U+012E | Į | I | Latin capital letter I with ogonek | |
|
* | U+012F | į | i | Latin small letter i with ogonek | |
|
* | U+0130 | İ | I | Latin capital letter I with dot above | |
|
* | U+0131 | ı | i | Latin small letter dotless i | |
|
* | U+0132 | IJ | IJ | Latin capital ligature IJ | |
|
* | U+0133 | ij | ij | Latin small ligature ij | |
|
* | U+0134 | Ĵ | J | Latin capital letter J with circumflex | |
|
* | U+0135 | ĵ | j | Latin small letter j with circumflex | |
|
* | U+0136 | Ķ | K | Latin capital letter K with cedilla | |
|
* | U+0137 | ķ | k | Latin small letter k with cedilla | |
|
* | U+0138 | ĸ | k | Latin small letter Kra | |
|
* | U+0139 | Ĺ | L | Latin capital letter L with acute | |
|
* | U+013A | ĺ | l | Latin small letter l with acute | |
|
* | U+013B | Ļ | L | Latin capital letter L with cedilla | |
|
* | U+013C | ļ | l | Latin small letter l with cedilla | |
|
* | U+013D | Ľ | L | Latin capital letter L with caron | |
|
* | U+013E | ľ | l | Latin small letter l with caron | |
|
* | U+013F | Ŀ | L | Latin capital letter L with middle dot | |
|
* | U+0140 | ŀ | l | Latin small letter l with middle dot | |
|
* | U+0141 | Ł | L | Latin capital letter L with stroke | |
|
* | U+0142 | ł | l | Latin small letter l with stroke | |
|
* | U+0143 | Ń | N | Latin capital letter N with acute | |
|
* | U+0144 | ń | n | Latin small letter N with acute | |
|
* | U+0145 | Ņ | N | Latin capital letter N with cedilla | |
|
* | U+0146 | ņ | n | Latin small letter n with cedilla | |
|
* | U+0147 | Ň | N | Latin capital letter N with caron | |
|
* | U+0148 | ň | n | Latin small letter n with caron | |
|
* | U+0149 | ʼn | n | Latin small letter n preceded by apostrophe | |
|
* | U+014A | Ŋ | N | Latin capital letter Eng | |
|
* | U+014B | ŋ | n | Latin small letter Eng | |
|
* | U+014C | Ō | O | Latin capital letter O with macron | |
|
* | U+014D | ō | o | Latin small letter o with macron | |
|
* | U+014E | Ŏ | O | Latin capital letter O with breve | |
|
* | U+014F | ŏ | o | Latin small letter o with breve | |
|
* | U+0150 | Ő | O | Latin capital letter O with double acute | |
|
* | U+0151 | ő | o | Latin small letter o with double acute | |
|
* | U+0152 | Œ | OE | Latin capital ligature OE | |
|
* | U+0153 | œ | oe | Latin small ligature oe | |
|
* | U+0154 | Ŕ | R | Latin capital letter R with acute | |
|
* | U+0155 | ŕ | r | Latin small letter r with acute | |
|
* | U+0156 | Ŗ | R | Latin capital letter R with cedilla | |
|
* | U+0157 | ŗ | r | Latin small letter r with cedilla | |
|
* | U+0158 | Ř | R | Latin capital letter R with caron | |
|
* | U+0159 | ř | r | Latin small letter r with caron | |
|
* | U+015A | Ś | S | Latin capital letter S with acute | |
|
* | U+015B | ś | s | Latin small letter s with acute | |
|
* | U+015C | Ŝ | S | Latin capital letter S with circumflex | |
|
* | U+015D | ŝ | s | Latin small letter s with circumflex | |
|
* | U+015E | Ş | S | Latin capital letter S with cedilla | |
|
* | U+015F | ş | s | Latin small letter s with cedilla | |
|
* | U+0160 | Š | S | Latin capital letter S with caron | |
|
* | U+0161 | š | s | Latin small letter s with caron | |
|
* | U+0162 | Ţ | T | Latin capital letter T with cedilla | |
|
* | U+0163 | ţ | t | Latin small letter t with cedilla | |
|
* | U+0164 | Ť | T | Latin capital letter T with caron | |
|
* | U+0165 | ť | t | Latin small letter t with caron | |
|
* | U+0166 | Ŧ | T | Latin capital letter T with stroke | |
|
* | U+0167 | ŧ | t | Latin small letter t with stroke | |
|
* | U+0168 | Ũ | U | Latin capital letter U with tilde | |
|
* | U+0169 | ũ | u | Latin small letter u with tilde | |
|
* | U+016A | Ū | U | Latin capital letter U with macron | |
|
* | U+016B | ū | u | Latin small letter u with macron | |
|
* | U+016C | Ŭ | U | Latin capital letter U with breve | |
|
* | U+016D | ŭ | u | Latin small letter u with breve | |
|
* | U+016E | Ů | U | Latin capital letter U with ring above | |
|
* | U+016F | ů | u | Latin small letter u with ring above | |
|
* | U+0170 | Ű | U | Latin capital letter U with double acute | |
|
* | U+0171 | ű | u | Latin small letter u with double acute | |
|
* | U+0172 | Ų | U | Latin capital letter U with ogonek | |
|
* | U+0173 | ų | u | Latin small letter u with ogonek | |
|
* | U+0174 | Ŵ | W | Latin capital letter W with circumflex | |
|
* | U+0175 | ŵ | w | Latin small letter w with circumflex | |
|
* | U+0176 | Ŷ | Y | Latin capital letter Y with circumflex | |
|
* | U+0177 | ŷ | y | Latin small letter y with circumflex | |
|
* | U+0178 | Ÿ | Y | Latin capital letter Y with diaeresis | |
|
* | U+0179 | Ź | Z | Latin capital letter Z with acute | |
|
* | U+017A | ź | z | Latin small letter z with acute | |
|
* | U+017B | Ż | Z | Latin capital letter Z with dot above | |
|
* | U+017C | ż | z | Latin small letter z with dot above | |
|
* | U+017D | Ž | Z | Latin capital letter Z with caron | |
|
* | U+017E | ž | z | Latin small letter z with caron | |
|
* | U+017F | ſ | s | Latin small letter long s | |
|
* | U+01A0 | Ơ | O | Latin capital letter O with horn | |
|
* | U+01A1 | ơ | o | Latin small letter o with horn | |
|
* | U+01AF | Ư | U | Latin capital letter U with horn | |
|
* | U+01B0 | ư | u | Latin small letter u with horn | |
|
* | U+01CD | Ǎ | A | Latin capital letter A with caron | |
|
* | U+01CE | ǎ | a | Latin small letter a with caron | |
|
* | U+01CF | Ǐ | I | Latin capital letter I with caron | |
|
* | U+01D0 | ǐ | i | Latin small letter i with caron | |
|
* | U+01D1 | Ǒ | O | Latin capital letter O with caron | |
|
* | U+01D2 | ǒ | o | Latin small letter o with caron | |
|
* | U+01D3 | Ǔ | U | Latin capital letter U with caron | |
|
* | U+01D4 | ǔ | u | Latin small letter u with caron | |
|
* | U+01D5 | Ǖ | U | Latin capital letter U with diaeresis and macron | |
|
* | U+01D6 | ǖ | u | Latin small letter u with diaeresis and macron | |
|
* | U+01D7 | Ǘ | U | Latin capital letter U with diaeresis and acute | |
|
* | U+01D8 | ǘ | u | Latin small letter u with diaeresis and acute | |
|
* | U+01D9 | Ǚ | U | Latin capital letter U with diaeresis and caron | |
|
* | U+01DA | ǚ | u | Latin small letter u with diaeresis and caron | |
|
* | U+01DB | Ǜ | U | Latin capital letter U with diaeresis and grave | |
|
* | U+01DC | ǜ | u | Latin small letter u with diaeresis and grave | |
|
* |
|
* Decompositions for Latin Extended-B: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | ----------------------------------------- | |
|
* | U+0218 | Ș | S | Latin capital letter S with comma below | |
|
* | U+0219 | ș | s | Latin small letter s with comma below | |
|
* | U+021A | Ț | T | Latin capital letter T with comma below | |
|
* | U+021B | ț | t | Latin small letter t with comma below | |
|
* |
|
* Vowels with diacritic (Chinese, Hanyu Pinyin): |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | ----------------------------------------------------- | |
|
* | U+0251 | ɑ | a | Latin small letter alpha | |
|
* | U+1EA0 | Ạ | A | Latin capital letter A with dot below | |
|
* | U+1EA1 | ạ | a | Latin small letter a with dot below | |
|
* | U+1EA2 | Ả | A | Latin capital letter A with hook above | |
|
* | U+1EA3 | ả | a | Latin small letter a with hook above | |
|
* | U+1EA4 | Ấ | A | Latin capital letter A with circumflex and acute | |
|
* | U+1EA5 | ấ | a | Latin small letter a with circumflex and acute | |
|
* | U+1EA6 | Ầ | A | Latin capital letter A with circumflex and grave | |
|
* | U+1EA7 | ầ | a | Latin small letter a with circumflex and grave | |
|
* | U+1EA8 | Ẩ | A | Latin capital letter A with circumflex and hook above | |
|
* | U+1EA9 | ẩ | a | Latin small letter a with circumflex and hook above | |
|
* | U+1EAA | Ẫ | A | Latin capital letter A with circumflex and tilde | |
|
* | U+1EAB | ẫ | a | Latin small letter a with circumflex and tilde | |
|
* | U+1EA6 | Ậ | A | Latin capital letter A with circumflex and dot below | |
|
* | U+1EAD | ậ | a | Latin small letter a with circumflex and dot below | |
|
* | U+1EAE | Ắ | A | Latin capital letter A with breve and acute | |
|
* | U+1EAF | ắ | a | Latin small letter a with breve and acute | |
|
* | U+1EB0 | Ằ | A | Latin capital letter A with breve and grave | |
|
* | U+1EB1 | ằ | a | Latin small letter a with breve and grave | |
|
* | U+1EB2 | Ẳ | A | Latin capital letter A with breve and hook above | |
|
* | U+1EB3 | ẳ | a | Latin small letter a with breve and hook above | |
|
* | U+1EB4 | Ẵ | A | Latin capital letter A with breve and tilde | |
|
* | U+1EB5 | ẵ | a | Latin small letter a with breve and tilde | |
|
* | U+1EB6 | Ặ | A | Latin capital letter A with breve and dot below | |
|
* | U+1EB7 | ặ | a | Latin small letter a with breve and dot below | |
|
* | U+1EB8 | Ẹ | E | Latin capital letter E with dot below | |
|
* | U+1EB9 | ẹ | e | Latin small letter e with dot below | |
|
* | U+1EBA | Ẻ | E | Latin capital letter E with hook above | |
|
* | U+1EBB | ẻ | e | Latin small letter e with hook above | |
|
* | U+1EBC | Ẽ | E | Latin capital letter E with tilde | |
|
* | U+1EBD | ẽ | e | Latin small letter e with tilde | |
|
* | U+1EBE | Ế | E | Latin capital letter E with circumflex and acute | |
|
* | U+1EBF | ế | e | Latin small letter e with circumflex and acute | |
|
* | U+1EC0 | Ề | E | Latin capital letter E with circumflex and grave | |
|
* | U+1EC1 | ề | e | Latin small letter e with circumflex and grave | |
|
* | U+1EC2 | Ể | E | Latin capital letter E with circumflex and hook above | |
|
* | U+1EC3 | ể | e | Latin small letter e with circumflex and hook above | |
|
* | U+1EC4 | Ễ | E | Latin capital letter E with circumflex and tilde | |
|
* | U+1EC5 | ễ | e | Latin small letter e with circumflex and tilde | |
|
* | U+1EC6 | Ệ | E | Latin capital letter E with circumflex and dot below | |
|
* | U+1EC7 | ệ | e | Latin small letter e with circumflex and dot below | |
|
* | U+1EC8 | Ỉ | I | Latin capital letter I with hook above | |
|
* | U+1EC9 | ỉ | i | Latin small letter i with hook above | |
|
* | U+1ECA | Ị | I | Latin capital letter I with dot below | |
|
* | U+1ECB | ị | i | Latin small letter i with dot below | |
|
* | U+1ECC | Ọ | O | Latin capital letter O with dot below | |
|
* | U+1ECD | ọ | o | Latin small letter o with dot below | |
|
* | U+1ECE | Ỏ | O | Latin capital letter O with hook above | |
|
* | U+1ECF | ỏ | o | Latin small letter o with hook above | |
|
* | U+1ED0 | Ố | O | Latin capital letter O with circumflex and acute | |
|
* | U+1ED1 | ố | o | Latin small letter o with circumflex and acute | |
|
* | U+1ED2 | Ồ | O | Latin capital letter O with circumflex and grave | |
|
* | U+1ED3 | ồ | o | Latin small letter o with circumflex and grave | |
|
* | U+1ED4 | Ổ | O | Latin capital letter O with circumflex and hook above | |
|
* | U+1ED5 | ổ | o | Latin small letter o with circumflex and hook above | |
|
* | U+1ED6 | Ỗ | O | Latin capital letter O with circumflex and tilde | |
|
* | U+1ED7 | ỗ | o | Latin small letter o with circumflex and tilde | |
|
* | U+1ED8 | Ộ | O | Latin capital letter O with circumflex and dot below | |
|
* | U+1ED9 | ộ | o | Latin small letter o with circumflex and dot below | |
|
* | U+1EDA | Ớ | O | Latin capital letter O with horn and acute | |
|
* | U+1EDB | ớ | o | Latin small letter o with horn and acute | |
|
* | U+1EDC | Ờ | O | Latin capital letter O with horn and grave | |
|
* | U+1EDD | ờ | o | Latin small letter o with horn and grave | |
|
* | U+1EDE | Ở | O | Latin capital letter O with horn and hook above | |
|
* | U+1EDF | ở | o | Latin small letter o with horn and hook above | |
|
* | U+1EE0 | Ỡ | O | Latin capital letter O with horn and tilde | |
|
* | U+1EE1 | ỡ | o | Latin small letter o with horn and tilde | |
|
* | U+1EE2 | Ợ | O | Latin capital letter O with horn and dot below | |
|
* | U+1EE3 | ợ | o | Latin small letter o with horn and dot below | |
|
* | U+1EE4 | Ụ | U | Latin capital letter U with dot below | |
|
* | U+1EE5 | ụ | u | Latin small letter u with dot below | |
|
* | U+1EE6 | Ủ | U | Latin capital letter U with hook above | |
|
* | U+1EE7 | ủ | u | Latin small letter u with hook above | |
|
* | U+1EE8 | Ứ | U | Latin capital letter U with horn and acute | |
|
* | U+1EE9 | ứ | u | Latin small letter u with horn and acute | |
|
* | U+1EEA | Ừ | U | Latin capital letter U with horn and grave | |
|
* | U+1EEB | ừ | u | Latin small letter u with horn and grave | |
|
* | U+1EEC | Ử | U | Latin capital letter U with horn and hook above | |
|
* | U+1EED | ử | u | Latin small letter u with horn and hook above | |
|
* | U+1EEE | Ữ | U | Latin capital letter U with horn and tilde | |
|
* | U+1EEF | ữ | u | Latin small letter u with horn and tilde | |
|
* | U+1EF0 | Ự | U | Latin capital letter U with horn and dot below | |
|
* | U+1EF1 | ự | u | Latin small letter u with horn and dot below | |
|
* | U+1EF2 | Ỳ | Y | Latin capital letter Y with grave | |
|
* | U+1EF3 | ỳ | y | Latin small letter y with grave | |
|
* | U+1EF4 | Ỵ | Y | Latin capital letter Y with dot below | |
|
* | U+1EF5 | ỵ | y | Latin small letter y with dot below | |
|
* | U+1EF6 | Ỷ | Y | Latin capital letter Y with hook above | |
|
* | U+1EF7 | ỷ | y | Latin small letter y with hook above | |
|
* | U+1EF8 | Ỹ | Y | Latin capital letter Y with tilde | |
|
* | U+1EF9 | ỹ | y | Latin small letter y with tilde | |
|
* |
|
* German (`de_DE`), German formal (`de_DE_formal`), German (Switzerland) formal (`de_CH`), |
|
* and German (Switzerland) informal (`de_CH_informal`) locales: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | --------------------------------------- | |
|
* | U+00C4 | Ä | Ae | Latin capital letter A with diaeresis | |
|
* | U+00E4 | ä | ae | Latin small letter a with diaeresis | |
|
* | U+00D6 | Ö | Oe | Latin capital letter O with diaeresis | |
|
* | U+00F6 | ö | oe | Latin small letter o with diaeresis | |
|
* | U+00DC | Ü | Ue | Latin capital letter U with diaeresis | |
|
* | U+00FC | ü | ue | Latin small letter u with diaeresis | |
|
* | U+00DF | ß | ss | Latin small letter sharp s | |
|
* |
|
* Danish (`da_DK`) locale: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | --------------------------------------- | |
|
* | U+00C6 | Æ | Ae | Latin capital letter AE | |
|
* | U+00E6 | æ | ae | Latin small letter ae | |
|
* | U+00D8 | Ø | Oe | Latin capital letter O with stroke | |
|
* | U+00F8 | ø | oe | Latin small letter o with stroke | |
|
* | U+00C5 | Å | Aa | Latin capital letter A with ring above | |
|
* | U+00E5 | å | aa | Latin small letter a with ring above | |
|
* |
|
* Catalan (`ca`) locale: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | --------------------------------------- | |
|
* | U+00B7 | l·l | ll | Flown dot (between two Ls) | |
|
* |
|
* Serbian (`sr_RS`) and Bosnian (`bs_BA`) locales: |
|
* |
|
* | Code | Glyph | Replacement | Description | |
|
* | -------- | ----- | ----------- | --------------------------------------- | |
|
* | U+0110 | Đ | DJ | Latin capital letter D with stroke | |
|
* | U+0111 | đ | dj | Latin small letter d with stroke | |
|
* |
|
* @since 1.2.1 |
|
* @since 4.6.0 Added locale support for `de_CH`, `de_CH_informal`, and `ca`. |
|
* @since 4.7.0 Added locale support for `sr_RS`. |
|
* @since 4.8.0 Added locale support for `bs_BA`. |
|
* |
|
* @param string $string Text that might have accent characters |
|
* @return string Filtered string with replaced "nice" characters. |
|
*/ |
|
function remove_accents( $string ) { |
|
if ( !preg_match('/[\x80-\xff]/', $string) ) |
|
return $string; |
|
|
|
if (seems_utf8($string)) { |
|
$chars = array( |
|
// Decompositions for Latin-1 Supplement |
|
'ª' => 'a', 'º' => 'o', |
|
'À' => 'A', 'Á' => 'A', |
|
'Â' => 'A', 'Ã' => 'A', |
|
'Ä' => 'A', 'Å' => 'A', |
|
'Æ' => 'AE','Ç' => 'C', |
|
'È' => 'E', 'É' => 'E', |
|
'Ê' => 'E', 'Ë' => 'E', |
|
'Ì' => 'I', 'Í' => 'I', |
|
'Î' => 'I', 'Ï' => 'I', |
|
'Ð' => 'D', 'Ñ' => 'N', |
|
'Ò' => 'O', 'Ó' => 'O', |
|
'Ô' => 'O', 'Õ' => 'O', |
|
'Ö' => 'O', 'Ù' => 'U', |
|
'Ú' => 'U', 'Û' => 'U', |
|
'Ü' => 'U', 'Ý' => 'Y', |
|
'Þ' => 'TH','ß' => 's', |
|
'à' => 'a', 'á' => 'a', |
|
'â' => 'a', 'ã' => 'a', |
|
'ä' => 'a', 'å' => 'a', |
|
'æ' => 'ae','ç' => 'c', |
|
'è' => 'e', 'é' => 'e', |
|
'ê' => 'e', 'ë' => 'e', |
|
'ì' => 'i', 'í' => 'i', |
|
'î' => 'i', 'ï' => 'i', |
|
'ð' => 'd', 'ñ' => 'n', |
|
'ò' => 'o', 'ó' => 'o', |
|
'ô' => 'o', 'õ' => 'o', |
|
'ö' => 'o', 'ø' => 'o', |
|
'ù' => 'u', 'ú' => 'u', |
|
'û' => 'u', 'ü' => 'u', |
|
'ý' => 'y', 'þ' => 'th', |
|
'ÿ' => 'y', 'Ø' => 'O', |
|
// Decompositions for Latin Extended-A |
|
'Ā' => 'A', 'ā' => 'a', |
|
'Ă' => 'A', 'ă' => 'a', |
|
'Ą' => 'A', 'ą' => 'a', |
|
'Ć' => 'C', 'ć' => 'c', |
|
'Ĉ' => 'C', 'ĉ' => 'c', |
|
'Ċ' => 'C', 'ċ' => 'c', |
|
'Č' => 'C', 'č' => 'c', |
|
'Ď' => 'D', 'ď' => 'd', |
|
'Đ' => 'D', 'đ' => 'd', |
|
'Ē' => 'E', 'ē' => 'e', |
|
'Ĕ' => 'E', 'ĕ' => 'e', |
|
'Ė' => 'E', 'ė' => 'e', |
|
'Ę' => 'E', 'ę' => 'e', |
|
'Ě' => 'E', 'ě' => 'e', |
|
'Ĝ' => 'G', 'ĝ' => 'g', |
|
'Ğ' => 'G', 'ğ' => 'g', |
|
'Ġ' => 'G', 'ġ' => 'g', |
|
'Ģ' => 'G', 'ģ' => 'g', |
|
'Ĥ' => 'H', 'ĥ' => 'h', |
|
'Ħ' => 'H', 'ħ' => 'h', |
|
'Ĩ' => 'I', 'ĩ' => 'i', |
|
'Ī' => 'I', 'ī' => 'i', |
|
'Ĭ' => 'I', 'ĭ' => 'i', |
|
'Į' => 'I', 'į' => 'i', |
|
'İ' => 'I', 'ı' => 'i', |
|
'IJ' => 'IJ','ij' => 'ij', |
|
'Ĵ' => 'J', 'ĵ' => 'j', |
|
'Ķ' => 'K', 'ķ' => 'k', |
|
'ĸ' => 'k', 'Ĺ' => 'L', |
|
'ĺ' => 'l', 'Ļ' => 'L', |
|
'ļ' => 'l', 'Ľ' => 'L', |
|
'ľ' => 'l', 'Ŀ' => 'L', |
|
'ŀ' => 'l', 'Ł' => 'L', |
|
'ł' => 'l', 'Ń' => 'N', |
|
'ń' => 'n', 'Ņ' => 'N', |
|
'ņ' => 'n', 'Ň' => 'N', |
|
'ň' => 'n', 'ʼn' => 'n', |
|
'Ŋ' => 'N', 'ŋ' => 'n', |
|
'Ō' => 'O', 'ō' => 'o', |
|
'Ŏ' => 'O', 'ŏ' => 'o', |
|
'Ő' => 'O', 'ő' => 'o', |
|
'Œ' => 'OE','œ' => 'oe', |
|
'Ŕ' => 'R','ŕ' => 'r', |
|
'Ŗ' => 'R','ŗ' => 'r', |
|
'Ř' => 'R','ř' => 'r', |
|
'Ś' => 'S','ś' => 's', |
|
'Ŝ' => 'S','ŝ' => 's', |
|
'Ş' => 'S','ş' => 's', |
|
'Š' => 'S', 'š' => 's', |
|
'Ţ' => 'T', 'ţ' => 't', |
|
'Ť' => 'T', 'ť' => 't', |
|
'Ŧ' => 'T', 'ŧ' => 't', |
|
'Ũ' => 'U', 'ũ' => 'u', |
|
'Ū' => 'U', 'ū' => 'u', |
|
'Ŭ' => 'U', 'ŭ' => 'u', |
|
'Ů' => 'U', 'ů' => 'u', |
|
'Ű' => 'U', 'ű' => 'u', |
|
'Ų' => 'U', 'ų' => 'u', |
|
'Ŵ' => 'W', 'ŵ' => 'w', |
|
'Ŷ' => 'Y', 'ŷ' => 'y', |
|
'Ÿ' => 'Y', 'Ź' => 'Z', |
|
'ź' => 'z', 'Ż' => 'Z', |
|
'ż' => 'z', 'Ž' => 'Z', |
|
'ž' => 'z', 'ſ' => 's', |
|
// Decompositions for Latin Extended-B |
|
'Ș' => 'S', 'ș' => 's', |
|
'Ț' => 'T', 'ț' => 't', |
|
// Euro Sign |
|
'€' => 'E', |
|
// GBP (Pound) Sign |
|
'£' => '', |
|
// Vowels with diacritic (Vietnamese) |
|
// unmarked |
|
'Ơ' => 'O', 'ơ' => 'o', |
|
'Ư' => 'U', 'ư' => 'u', |
|
// grave accent |
|
'Ầ' => 'A', 'ầ' => 'a', |
|
'Ằ' => 'A', 'ằ' => 'a', |
|
'Ề' => 'E', 'ề' => 'e', |
|
'Ồ' => 'O', 'ồ' => 'o', |
|
'Ờ' => 'O', 'ờ' => 'o', |
|
'Ừ' => 'U', 'ừ' => 'u', |
|
'Ỳ' => 'Y', 'ỳ' => 'y', |
|
// hook |
|
'Ả' => 'A', 'ả' => 'a', |
|
'Ẩ' => 'A', 'ẩ' => 'a', |
|
'Ẳ' => 'A', 'ẳ' => 'a', |
|
'Ẻ' => 'E', 'ẻ' => 'e', |
|
'Ể' => 'E', 'ể' => 'e', |
|
'Ỉ' => 'I', 'ỉ' => 'i', |
|
'Ỏ' => 'O', 'ỏ' => 'o', |
|
'Ổ' => 'O', 'ổ' => 'o', |
|
'Ở' => 'O', 'ở' => 'o', |
|
'Ủ' => 'U', 'ủ' => 'u', |
|
'Ử' => 'U', 'ử' => 'u', |
|
'Ỷ' => 'Y', 'ỷ' => 'y', |
|
// tilde |
|
'Ẫ' => 'A', 'ẫ' => 'a', |
|
'Ẵ' => 'A', 'ẵ' => 'a', |
|
'Ẽ' => 'E', 'ẽ' => 'e', |
|
'Ễ' => 'E', 'ễ' => 'e', |
|
'Ỗ' => 'O', 'ỗ' => 'o', |
|
'Ỡ' => 'O', 'ỡ' => 'o', |
|
'Ữ' => 'U', 'ữ' => 'u', |
|
'Ỹ' => 'Y', 'ỹ' => 'y', |
|
// acute accent |
|
'Ấ' => 'A', 'ấ' => 'a', |
|
'Ắ' => 'A', 'ắ' => 'a', |
|
'Ế' => 'E', 'ế' => 'e', |
|
'Ố' => 'O', 'ố' => 'o', |
|
'Ớ' => 'O', 'ớ' => 'o', |
|
'Ứ' => 'U', 'ứ' => 'u', |
|
// dot below |
|
'Ạ' => 'A', 'ạ' => 'a', |
|
'Ậ' => 'A', 'ậ' => 'a', |
|
'Ặ' => 'A', 'ặ' => 'a', |
|
'Ẹ' => 'E', 'ẹ' => 'e', |
|
'Ệ' => 'E', 'ệ' => 'e', |
|
'Ị' => 'I', 'ị' => 'i', |
|
'Ọ' => 'O', 'ọ' => 'o', |
|
'Ộ' => 'O', 'ộ' => 'o', |
|
'Ợ' => 'O', 'ợ' => 'o', |
|
'Ụ' => 'U', 'ụ' => 'u', |
|
'Ự' => 'U', 'ự' => 'u', |
|
'Ỵ' => 'Y', 'ỵ' => 'y', |
|
// Vowels with diacritic (Chinese, Hanyu Pinyin) |
|
'ɑ' => 'a', |
|
// macron |
|
'Ǖ' => 'U', 'ǖ' => 'u', |
|
// acute accent |
|
'Ǘ' => 'U', 'ǘ' => 'u', |
|
// caron |
|
'Ǎ' => 'A', 'ǎ' => 'a', |
|
'Ǐ' => 'I', 'ǐ' => 'i', |
|
'Ǒ' => 'O', 'ǒ' => 'o', |
|
'Ǔ' => 'U', 'ǔ' => 'u', |
|
'Ǚ' => 'U', 'ǚ' => 'u', |
|
// grave accent |
|
'Ǜ' => 'U', 'ǜ' => 'u', |
|
); |
|
|
|
// Used for locale-specific rules |
|
$locale = get_locale(); |
|
|
|
if ( 'de_DE' == $locale || 'de_DE_formal' == $locale || 'de_CH' == $locale || 'de_CH_informal' == $locale ) { |
|
$chars[ 'Ä' ] = 'Ae'; |
|
$chars[ 'ä' ] = 'ae'; |
|
$chars[ 'Ö' ] = 'Oe'; |
|
$chars[ 'ö' ] = 'oe'; |
|
$chars[ 'Ü' ] = 'Ue'; |
|
$chars[ 'ü' ] = 'ue'; |
|
$chars[ 'ß' ] = 'ss'; |
|
} elseif ( 'da_DK' === $locale ) { |
|
$chars[ 'Æ' ] = 'Ae'; |
|
$chars[ 'æ' ] = 'ae'; |
|
$chars[ 'Ø' ] = 'Oe'; |
|
$chars[ 'ø' ] = 'oe'; |
|
$chars[ 'Å' ] = 'Aa'; |
|
$chars[ 'å' ] = 'aa'; |
|
} elseif ( 'ca' === $locale ) { |
|
$chars[ 'l·l' ] = 'll'; |
|
} elseif ( 'sr_RS' === $locale || 'bs_BA' === $locale ) { |
|
$chars[ 'Đ' ] = 'DJ'; |
|
$chars[ 'đ' ] = 'dj'; |
|
} |
|
|
|
$string = strtr($string, $chars); |
|
} else { |
|
$chars = array(); |
|
// Assume ISO-8859-1 if not UTF-8 |
|
$chars['in'] = "\x80\x83\x8a\x8e\x9a\x9e" |
|
."\x9f\xa2\xa5\xb5\xc0\xc1\xc2" |
|
."\xc3\xc4\xc5\xc7\xc8\xc9\xca" |
|
."\xcb\xcc\xcd\xce\xcf\xd1\xd2" |
|
."\xd3\xd4\xd5\xd6\xd8\xd9\xda" |
|
."\xdb\xdc\xdd\xe0\xe1\xe2\xe3" |
|
."\xe4\xe5\xe7\xe8\xe9\xea\xeb" |
|
."\xec\xed\xee\xef\xf1\xf2\xf3" |
|
."\xf4\xf5\xf6\xf8\xf9\xfa\xfb" |
|
."\xfc\xfd\xff"; |
|
|
|
$chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; |
|
|
|
$string = strtr($string, $chars['in'], $chars['out']); |
|
$double_chars = array(); |
|
$double_chars['in'] = array("\x8c", "\x9c", "\xc6", "\xd0", "\xde", "\xdf", "\xe6", "\xf0", "\xfe"); |
|
$double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); |
|
$string = str_replace($double_chars['in'], $double_chars['out'], $string); |
|
} |
|
|
|
return $string; |
|
} |
|
|
|
/** |
|
* Sanitizes a filename, replacing whitespace with dashes. |
|
* |
|
* Removes special characters that are illegal in filenames on certain |
|
* operating systems and special characters requiring special escaping |
|
* to manipulate at the command line. Replaces spaces and consecutive |
|
* dashes with a single dash. Trims period, dash and underscore from beginning |
|
* and end of filename. It is not guaranteed that this function will return a |
|
* filename that is allowed to be uploaded. |
|
* |
|
* @since 2.1.0 |
|
* |
|
* @param string $filename The filename to be sanitized |
|
* @return string The sanitized filename |
|
*/ |
|
function sanitize_file_name( $filename ) { |
|
$filename_raw = $filename; |
|
$special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", "%", "+", chr(0)); |
|
/** |
|
* Filters the list of characters to remove from a filename. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param array $special_chars Characters to remove. |
|
* @param string $filename_raw Filename as it was passed into sanitize_file_name(). |
|
*/ |
|
$special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw ); |
|
$filename = preg_replace( "#\x{00a0}#siu", ' ', $filename ); |
|
$filename = str_replace( $special_chars, '', $filename ); |
|
$filename = str_replace( array( '%20', '+' ), '-', $filename ); |
|
$filename = preg_replace( '/[\r\n\t -]+/', '-', $filename ); |
|
$filename = trim( $filename, '.-_' ); |
|
|
|
if ( false === strpos( $filename, '.' ) ) { |
|
$mime_types = wp_get_mime_types(); |
|
$filetype = wp_check_filetype( 'test.' . $filename, $mime_types ); |
|
if ( $filetype['ext'] === $filename ) { |
|
$filename = 'unnamed-file.' . $filetype['ext']; |
|
} |
|
} |
|
|
|
// Split the filename into a base and extension[s] |
|
$parts = explode('.', $filename); |
|
|
|
// Return if only one extension |
|
if ( count( $parts ) <= 2 ) { |
|
/** |
|
* Filters a sanitized filename string. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $filename Sanitized filename. |
|
* @param string $filename_raw The filename prior to sanitization. |
|
*/ |
|
return apply_filters( 'sanitize_file_name', $filename, $filename_raw ); |
|
} |
|
|
|
// Process multiple extensions |
|
$filename = array_shift($parts); |
|
$extension = array_pop($parts); |
|
$mimes = get_allowed_mime_types(); |
|
|
|
/* |
|
* Loop over any intermediate extensions. Postfix them with a trailing underscore |
|
* if they are a 2 - 5 character long alpha string not in the extension whitelist. |
|
*/ |
|
foreach ( (array) $parts as $part) { |
|
$filename .= '.' . $part; |
|
|
|
if ( preg_match("/^[a-zA-Z]{2,5}\d?$/", $part) ) { |
|
$allowed = false; |
|
foreach ( $mimes as $ext_preg => $mime_match ) { |
|
$ext_preg = '!^(' . $ext_preg . ')$!i'; |
|
if ( preg_match( $ext_preg, $part ) ) { |
|
$allowed = true; |
|
break; |
|
} |
|
} |
|
if ( !$allowed ) |
|
$filename .= '_'; |
|
} |
|
} |
|
$filename .= '.' . $extension; |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters('sanitize_file_name', $filename, $filename_raw); |
|
} |
|
|
|
/** |
|
* Sanitizes a username, stripping out unsafe characters. |
|
* |
|
* Removes tags, octets, entities, and if strict is enabled, will only keep |
|
* alphanumeric, _, space, ., -, @. After sanitizing, it passes the username, |
|
* raw username (the username in the parameter), and the value of $strict as |
|
* parameters for the {@see 'sanitize_user'} filter. |
|
* |
|
* @since 2.0.0 |
|
* |
|
* @param string $username The username to be sanitized. |
|
* @param bool $strict If set limits $username to specific characters. Default false. |
|
* @return string The sanitized username, after passing through filters. |
|
*/ |
|
function sanitize_user( $username, $strict = false ) { |
|
$raw_username = $username; |
|
$username = wp_strip_all_tags( $username ); |
|
$username = remove_accents( $username ); |
|
// Kill octets |
|
$username = preg_replace( '|%([a-fA-F0-9][a-fA-F0-9])|', '', $username ); |
|
$username = preg_replace( '/&.+?;/', '', $username ); // Kill entities |
|
|
|
// If strict, reduce to ASCII for max portability. |
|
if ( $strict ) |
|
$username = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $username ); |
|
|
|
$username = trim( $username ); |
|
// Consolidate contiguous whitespace |
|
$username = preg_replace( '|\s+|', ' ', $username ); |
|
|
|
/** |
|
* Filters a sanitized username string. |
|
* |
|
* @since 2.0.1 |
|
* |
|
* @param string $username Sanitized username. |
|
* @param string $raw_username The username prior to sanitization. |
|
* @param bool $strict Whether to limit the sanitization to specific characters. Default false. |
|
*/ |
|
return apply_filters( 'sanitize_user', $username, $raw_username, $strict ); |
|
} |
|
|
|
/** |
|
* Sanitizes a string key. |
|
* |
|
* Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes and underscores are allowed. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param string $key String key |
|
* @return string Sanitized key |
|
*/ |
|
function sanitize_key( $key ) { |
|
$raw_key = $key; |
|
$key = strtolower( $key ); |
|
$key = preg_replace( '/[^a-z0-9_\-]/', '', $key ); |
|
|
|
/** |
|
* Filters a sanitized key string. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @param string $key Sanitized key. |
|
* @param string $raw_key The key prior to sanitization. |
|
*/ |
|
return apply_filters( 'sanitize_key', $key, $raw_key ); |
|
} |
|
|
|
/** |
|
* Sanitizes a title, or returns a fallback title. |
|
* |
|
* Specifically, HTML and PHP tags are stripped. Further actions can be added |
|
* via the plugin API. If $title is empty and $fallback_title is set, the latter |
|
* will be used. |
|
* |
|
* @since 1.0.0 |
|
* |
|
* @param string $title The string to be sanitized. |
|
* @param string $fallback_title Optional. A title to use if $title is empty. |
|
* @param string $context Optional. The operation for which the string is sanitized |
|
* @return string The sanitized string. |
|
*/ |
|
function sanitize_title( $title, $fallback_title = '', $context = 'save' ) { |
|
$raw_title = $title; |
|
|
|
if ( 'save' == $context ) |
|
$title = remove_accents($title); |
|
|
|
/** |
|
* Filters a sanitized title string. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $title Sanitized title. |
|
* @param string $raw_title The title prior to sanitization. |
|
* @param string $context The context for which the title is being sanitized. |
|
*/ |
|
$title = apply_filters( 'sanitize_title', $title, $raw_title, $context ); |
|
|
|
if ( '' === $title || false === $title ) |
|
$title = $fallback_title; |
|
|
|
return $title; |
|
} |
|
|
|
/** |
|
* Sanitizes a title with the 'query' context. |
|
* |
|
* Used for querying the database for a value from URL. |
|
* |
|
* @since 3.1.0 |
|
* |
|
* @param string $title The string to be sanitized. |
|
* @return string The sanitized string. |
|
*/ |
|
function sanitize_title_for_query( $title ) { |
|
return sanitize_title( $title, '', 'query' ); |
|
} |
|
|
|
/** |
|
* Sanitizes a title, replacing whitespace and a few other characters with dashes. |
|
* |
|
* Limits the output to alphanumeric characters, underscore (_) and dash (-). |
|
* Whitespace becomes a dash. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $title The title to be sanitized. |
|
* @param string $raw_title Optional. Not used. |
|
* @param string $context Optional. The operation for which the string is sanitized. |
|
* @return string The sanitized title. |
|
*/ |
|
function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'display' ) { |
|
$title = strip_tags($title); |
|
// Preserve escaped octets. |
|
$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title); |
|
// Remove percent signs that are not part of an octet. |
|
$title = str_replace('%', '', $title); |
|
// Restore octets. |
|
$title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title); |
|
|
|
if (seems_utf8($title)) { |
|
if (function_exists('mb_strtolower')) { |
|
$title = mb_strtolower($title, 'UTF-8'); |
|
} |
|
$title = utf8_uri_encode($title, 200); |
|
} |
|
|
|
$title = strtolower($title); |
|
|
|
if ( 'save' == $context ) { |
|
// Convert nbsp, ndash and mdash to hyphens |
|
$title = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $title ); |
|
// Convert nbsp, ndash and mdash HTML entities to hyphens |
|
$title = str_replace( array( ' ', ' ', '–', '–', '—', '—' ), '-', $title ); |
|
// Convert forward slash to hyphen |
|
$title = str_replace( '/', '-', $title ); |
|
|
|
// Strip these characters entirely |
|
$title = str_replace( array( |
|
// iexcl and iquest |
|
'%c2%a1', '%c2%bf', |
|
// angle quotes |
|
'%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba', |
|
// curly quotes |
|
'%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d', |
|
'%e2%80%9a', '%e2%80%9b', '%e2%80%9e', '%e2%80%9f', |
|
// copy, reg, deg, hellip and trade |
|
'%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2', |
|
// acute accents |
|
'%c2%b4', '%cb%8a', '%cc%81', '%cd%81', |
|
// grave accent, macron, caron |
|
'%cc%80', '%cc%84', '%cc%8c', |
|
), '', $title ); |
|
|
|
// Convert times to x |
|
$title = str_replace( '%c3%97', 'x', $title ); |
|
} |
|
|
|
$title = preg_replace('/&.+?;/', '', $title); // kill entities |
|
$title = str_replace('.', '-', $title); |
|
|
|
$title = preg_replace('/[^%a-z0-9 _-]/', '', $title); |
|
$title = preg_replace('/\s+/', '-', $title); |
|
$title = preg_replace('|-+|', '-', $title); |
|
$title = trim($title, '-'); |
|
|
|
return $title; |
|
} |
|
|
|
/** |
|
* Ensures a string is a valid SQL 'order by' clause. |
|
* |
|
* Accepts one or more columns, with or without a sort order (ASC / DESC). |
|
* e.g. 'column_1', 'column_1, column_2', 'column_1 ASC, column_2 DESC' etc. |
|
* |
|
* Also accepts 'RAND()'. |
|
* |
|
* @since 2.5.1 |
|
* |
|
* @param string $orderby Order by clause to be validated. |
|
* @return string|false Returns $orderby if valid, false otherwise. |
|
*/ |
|
function sanitize_sql_orderby( $orderby ) { |
|
if ( preg_match( '/^\s*(([a-z0-9_]+|`[a-z0-9_]+`)(\s+(ASC|DESC))?\s*(,\s*(?=[a-z0-9_`])|$))+$/i', $orderby ) || preg_match( '/^\s*RAND\(\s*\)\s*$/i', $orderby ) ) { |
|
return $orderby; |
|
} |
|
return false; |
|
} |
|
|
|
/** |
|
* Sanitizes an HTML classname to ensure it only contains valid characters. |
|
* |
|
* Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty |
|
* string then it will return the alternative value supplied. |
|
* |
|
* @todo Expand to support the full range of CDATA that a class attribute can contain. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $class The classname to be sanitized |
|
* @param string $fallback Optional. The value to return if the sanitization ends up as an empty string. |
|
* Defaults to an empty string. |
|
* @return string The sanitized value |
|
*/ |
|
function sanitize_html_class( $class, $fallback = '' ) { |
|
//Strip out any % encoded octets |
|
$sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $class ); |
|
|
|
//Limit to A-Z,a-z,0-9,_,- |
|
$sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized ); |
|
|
|
if ( '' == $sanitized && $fallback ) { |
|
return sanitize_html_class( $fallback ); |
|
} |
|
/** |
|
* Filters a sanitized HTML class string. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $sanitized The sanitized HTML class. |
|
* @param string $class HTML class before sanitization. |
|
* @param string $fallback The fallback string. |
|
*/ |
|
return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback ); |
|
} |
|
|
|
/** |
|
* Converts lone & characters into `&` (a.k.a. `&`) |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $content String of characters to be converted. |
|
* @param string $deprecated Not used. |
|
* @return string Converted string. |
|
*/ |
|
function convert_chars( $content, $deprecated = '' ) { |
|
if ( ! empty( $deprecated ) ) { |
|
_deprecated_argument( __FUNCTION__, '0.71' ); |
|
} |
|
|
|
if ( strpos( $content, '&' ) !== false ) { |
|
$content = preg_replace( '/&([^#])(?![a-z1-4]{1,8};)/i', '&$1', $content ); |
|
} |
|
|
|
return $content; |
|
} |
|
|
|
/** |
|
* Converts invalid Unicode references range to valid range. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @param string $content String with entities that need converting. |
|
* @return string Converted string. |
|
*/ |
|
function convert_invalid_entities( $content ) { |
|
$wp_htmltranswinuni = array( |
|
'€' => '€', // the Euro sign |
|
'' => '', |
|
'‚' => '‚', // these are Windows CP1252 specific characters |
|
'ƒ' => 'ƒ', // they would look weird on non-Windows browsers |
|
'„' => '„', |
|
'…' => '…', |
|
'†' => '†', |
|
'‡' => '‡', |
|
'ˆ' => 'ˆ', |
|
'‰' => '‰', |
|
'Š' => 'Š', |
|
'‹' => '‹', |
|
'Œ' => 'Œ', |
|
'' => '', |
|
'Ž' => 'Ž', |
|
'' => '', |
|
'' => '', |
|
'‘' => '‘', |
|
'’' => '’', |
|
'“' => '“', |
|
'”' => '”', |
|
'•' => '•', |
|
'–' => '–', |
|
'—' => '—', |
|
'˜' => '˜', |
|
'™' => '™', |
|
'š' => 'š', |
|
'›' => '›', |
|
'œ' => 'œ', |
|
'' => '', |
|
'ž' => 'ž', |
|
'Ÿ' => 'Ÿ' |
|
); |
|
|
|
if ( strpos( $content, '' ) !== false ) { |
|
$content = strtr( $content, $wp_htmltranswinuni ); |
|
} |
|
|
|
return $content; |
|
} |
|
|
|
/** |
|
* Balances tags if forced to, or if the 'use_balanceTags' option is set to true. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $text Text to be balanced |
|
* @param bool $force If true, forces balancing, ignoring the value of the option. Default false. |
|
* @return string Balanced text |
|
*/ |
|
function balanceTags( $text, $force = false ) { |
|
if ( $force || get_option('use_balanceTags') == 1 ) { |
|
return force_balance_tags( $text ); |
|
} else { |
|
return $text; |
|
} |
|
} |
|
|
|
/** |
|
* Balances tags of string using a modified stack. |
|
* |
|
* @since 2.0.4 |
|
* |
|
* @author Leonard Lin <leonard@acm.org> |
|
* @license GPL |
|
* @copyright November 4, 2001 |
|
* @version 1.1 |
|
* @todo Make better - change loop condition to $text in 1.2 |
|
* @internal Modified by Scott Reilly (coffee2code) 02 Aug 2004 |
|
* 1.1 Fixed handling of append/stack pop order of end text |
|
* Added Cleaning Hooks |
|
* 1.0 First Version |
|
* |
|
* @param string $text Text to be balanced. |
|
* @return string Balanced text. |
|
*/ |
|
function force_balance_tags( $text ) { |
|
$tagstack = array(); |
|
$stacksize = 0; |
|
$tagqueue = ''; |
|
$newtext = ''; |
|
// Known single-entity/self-closing tags |
|
$single_tags = array( 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param', 'source' ); |
|
// Tags that can be immediately nested within themselves |
|
$nestable_tags = array( 'blockquote', 'div', 'object', 'q', 'span' ); |
|
|
|
// WP bug fix for comments - in case you REALLY meant to type '< !--' |
|
$text = str_replace('< !--', '< !--', $text); |
|
// WP bug fix for LOVE <3 (and other situations with '<' before a number) |
|
$text = preg_replace('#<([0-9]{1})#', '<$1', $text); |
|
|
|
while ( preg_match("/<(\/?[\w:]*)\s*([^>]*)>/", $text, $regex) ) { |
|
$newtext .= $tagqueue; |
|
|
|
$i = strpos($text, $regex[0]); |
|
$l = strlen($regex[0]); |
|
|
|
// clear the shifter |
|
$tagqueue = ''; |
|
// Pop or Push |
|
if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag |
|
$tag = strtolower(substr($regex[1],1)); |
|
// if too many closing tags |
|
if ( $stacksize <= 0 ) { |
|
$tag = ''; |
|
// or close to be safe $tag = '/' . $tag; |
|
} |
|
// if stacktop value = tag close value then pop |
|
elseif ( $tagstack[$stacksize - 1] == $tag ) { // found closing tag |
|
$tag = '</' . $tag . '>'; // Close Tag |
|
// Pop |
|
array_pop( $tagstack ); |
|
$stacksize--; |
|
} else { // closing tag not at top, search for it |
|
for ( $j = $stacksize-1; $j >= 0; $j-- ) { |
|
if ( $tagstack[$j] == $tag ) { |
|
// add tag to tagqueue |
|
for ( $k = $stacksize-1; $k >= $j; $k--) { |
|
$tagqueue .= '</' . array_pop( $tagstack ) . '>'; |
|
$stacksize--; |
|
} |
|
break; |
|
} |
|
} |
|
$tag = ''; |
|
} |
|
} else { // Begin Tag |
|
$tag = strtolower($regex[1]); |
|
|
|
// Tag Cleaning |
|
|
|
// If it's an empty tag "< >", do nothing |
|
if ( '' == $tag ) { |
|
// do nothing |
|
} |
|
// ElseIf it presents itself as a self-closing tag... |
|
elseif ( substr( $regex[2], -1 ) == '/' ) { |
|
// ...but it isn't a known single-entity self-closing tag, then don't let it be treated as such and |
|
// immediately close it with a closing tag (the tag will encapsulate no text as a result) |
|
if ( ! in_array( $tag, $single_tags ) ) |
|
$regex[2] = trim( substr( $regex[2], 0, -1 ) ) . "></$tag"; |
|
} |
|
// ElseIf it's a known single-entity tag but it doesn't close itself, do so |
|
elseif ( in_array($tag, $single_tags) ) { |
|
$regex[2] .= '/'; |
|
} |
|
// Else it's not a single-entity tag |
|
else { |
|
// If the top of the stack is the same as the tag we want to push, close previous tag |
|
if ( $stacksize > 0 && !in_array($tag, $nestable_tags) && $tagstack[$stacksize - 1] == $tag ) { |
|
$tagqueue = '</' . array_pop( $tagstack ) . '>'; |
|
$stacksize--; |
|
} |
|
$stacksize = array_push( $tagstack, $tag ); |
|
} |
|
|
|
// Attributes |
|
$attributes = $regex[2]; |
|
if ( ! empty( $attributes ) && $attributes[0] != '>' ) |
|
$attributes = ' ' . $attributes; |
|
|
|
$tag = '<' . $tag . $attributes . '>'; |
|
//If already queuing a close tag, then put this tag on, too |
|
if ( !empty($tagqueue) ) { |
|
$tagqueue .= $tag; |
|
$tag = ''; |
|
} |
|
} |
|
$newtext .= substr($text, 0, $i) . $tag; |
|
$text = substr($text, $i + $l); |
|
} |
|
|
|
// Clear Tag Queue |
|
$newtext .= $tagqueue; |
|
|
|
// Add Remaining text |
|
$newtext .= $text; |
|
|
|
// Empty Stack |
|
while( $x = array_pop($tagstack) ) |
|
$newtext .= '</' . $x . '>'; // Add remaining tags to close |
|
|
|
// WP fix for the bug with HTML comments |
|
$newtext = str_replace("< !--","<!--",$newtext); |
|
$newtext = str_replace("< !--","< !--",$newtext); |
|
|
|
return $newtext; |
|
} |
|
|
|
/** |
|
* Acts on text which is about to be edited. |
|
* |
|
* The $content is run through esc_textarea(), which uses htmlspecialchars() |
|
* to convert special characters to HTML entities. If `$richedit` is set to true, |
|
* it is simply a holder for the {@see 'format_to_edit'} filter. |
|
* |
|
* @since 0.71 |
|
* @since 4.4.0 The `$richedit` parameter was renamed to `$rich_text` for clarity. |
|
* |
|
* @param string $content The text about to be edited. |
|
* @param bool $rich_text Optional. Whether `$content` should be considered rich text, |
|
* in which case it would not be passed through esc_textarea(). |
|
* Default false. |
|
* @return string The text after the filter (and possibly htmlspecialchars()) has been run. |
|
*/ |
|
function format_to_edit( $content, $rich_text = false ) { |
|
/** |
|
* Filters the text to be formatted for editing. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $content The text, prior to formatting for editing. |
|
*/ |
|
$content = apply_filters( 'format_to_edit', $content ); |
|
if ( ! $rich_text ) |
|
$content = esc_textarea( $content ); |
|
return $content; |
|
} |
|
|
|
/** |
|
* Add leading zeros when necessary. |
|
* |
|
* If you set the threshold to '4' and the number is '10', then you will get |
|
* back '0010'. If you set the threshold to '4' and the number is '5000', then you |
|
* will get back '5000'. |
|
* |
|
* Uses sprintf to append the amount of zeros based on the $threshold parameter |
|
* and the size of the number. If the number is large enough, then no zeros will |
|
* be appended. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param int $number Number to append zeros to if not greater than threshold. |
|
* @param int $threshold Digit places number needs to be to not have zeros added. |
|
* @return string Adds leading zeros to number if needed. |
|
*/ |
|
function zeroise( $number, $threshold ) { |
|
return sprintf( '%0' . $threshold . 's', $number ); |
|
} |
|
|
|
/** |
|
* Adds backslashes before letters and before a number at the start of a string. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $string Value to which backslashes will be added. |
|
* @return string String with backslashes inserted. |
|
*/ |
|
function backslashit( $string ) { |
|
if ( isset( $string[0] ) && $string[0] >= '0' && $string[0] <= '9' ) |
|
$string = '\\\\' . $string; |
|
return addcslashes( $string, 'A..Za..z' ); |
|
} |
|
|
|
/** |
|
* Appends a trailing slash. |
|
* |
|
* Will remove trailing forward and backslashes if it exists already before adding |
|
* a trailing forward slash. This prevents double slashing a string or path. |
|
* |
|
* The primary use of this is for paths and thus should be used for paths. It is |
|
* not restricted to paths and offers no specific path support. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $string What to add the trailing slash to. |
|
* @return string String with trailing slash added. |
|
*/ |
|
function trailingslashit( $string ) { |
|
return untrailingslashit( $string ) . '/'; |
|
} |
|
|
|
/** |
|
* Removes trailing forward slashes and backslashes if they exist. |
|
* |
|
* The primary use of this is for paths and thus should be used for paths. It is |
|
* not restricted to paths and offers no specific path support. |
|
* |
|
* @since 2.2.0 |
|
* |
|
* @param string $string What to remove the trailing slashes from. |
|
* @return string String without the trailing slashes. |
|
*/ |
|
function untrailingslashit( $string ) { |
|
return rtrim( $string, '/\\' ); |
|
} |
|
|
|
/** |
|
* Adds slashes to escape strings. |
|
* |
|
* Slashes will first be removed if magic_quotes_gpc is set, see {@link |
|
* https://secure.php.net/magic_quotes} for more details. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $gpc The string returned from HTTP request data. |
|
* @return string Returns a string escaped with slashes. |
|
*/ |
|
function addslashes_gpc($gpc) { |
|
if ( get_magic_quotes_gpc() ) |
|
$gpc = stripslashes($gpc); |
|
|
|
return wp_slash($gpc); |
|
} |
|
|
|
/** |
|
* Navigates through an array, object, or scalar, and removes slashes from the values. |
|
* |
|
* @since 2.0.0 |
|
* |
|
* @param mixed $value The value to be stripped. |
|
* @return mixed Stripped value. |
|
*/ |
|
function stripslashes_deep( $value ) { |
|
return map_deep( $value, 'stripslashes_from_strings_only' ); |
|
} |
|
|
|
/** |
|
* Callback function for `stripslashes_deep()` which strips slashes from strings. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @param mixed $value The array or string to be stripped. |
|
* @return mixed $value The stripped value. |
|
*/ |
|
function stripslashes_from_strings_only( $value ) { |
|
return is_string( $value ) ? stripslashes( $value ) : $value; |
|
} |
|
|
|
/** |
|
* Navigates through an array, object, or scalar, and encodes the values to be used in a URL. |
|
* |
|
* @since 2.2.0 |
|
* |
|
* @param mixed $value The array or string to be encoded. |
|
* @return mixed $value The encoded value. |
|
*/ |
|
function urlencode_deep( $value ) { |
|
return map_deep( $value, 'urlencode' ); |
|
} |
|
|
|
/** |
|
* Navigates through an array, object, or scalar, and raw-encodes the values to be used in a URL. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $value The array or string to be encoded. |
|
* @return mixed $value The encoded value. |
|
*/ |
|
function rawurlencode_deep( $value ) { |
|
return map_deep( $value, 'rawurlencode' ); |
|
} |
|
|
|
/** |
|
* Navigates through an array, object, or scalar, and decodes URL-encoded values |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @param mixed $value The array or string to be decoded. |
|
* @return mixed $value The decoded value. |
|
*/ |
|
function urldecode_deep( $value ) { |
|
return map_deep( $value, 'urldecode' ); |
|
} |
|
|
|
/** |
|
* Converts email addresses characters to HTML entities to block spam bots. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $email_address Email address. |
|
* @param int $hex_encoding Optional. Set to 1 to enable hex encoding. |
|
* @return string Converted email address. |
|
*/ |
|
function antispambot( $email_address, $hex_encoding = 0 ) { |
|
$email_no_spam_address = ''; |
|
for ( $i = 0, $len = strlen( $email_address ); $i < $len; $i++ ) { |
|
$j = rand( 0, 1 + $hex_encoding ); |
|
if ( $j == 0 ) { |
|
$email_no_spam_address .= '&#' . ord( $email_address[$i] ) . ';'; |
|
} elseif ( $j == 1 ) { |
|
$email_no_spam_address .= $email_address[$i]; |
|
} elseif ( $j == 2 ) { |
|
$email_no_spam_address .= '%' . zeroise( dechex( ord( $email_address[$i] ) ), 2 ); |
|
} |
|
} |
|
|
|
return str_replace( '@', '@', $email_no_spam_address ); |
|
} |
|
|
|
/** |
|
* Callback to convert URI match to HTML A element. |
|
* |
|
* This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable(). |
|
* |
|
* @since 2.3.2 |
|
* @access private |
|
* |
|
* @param array $matches Single Regex Match. |
|
* @return string HTML A element with URI address. |
|
*/ |
|
function _make_url_clickable_cb( $matches ) { |
|
$url = $matches[2]; |
|
|
|
if ( ')' == $matches[3] && strpos( $url, '(' ) ) { |
|
// If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL. |
|
// Then we can let the parenthesis balancer do its thing below. |
|
$url .= $matches[3]; |
|
$suffix = ''; |
|
} else { |
|
$suffix = $matches[3]; |
|
} |
|
|
|
// Include parentheses in the URL only if paired |
|
while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) { |
|
$suffix = strrchr( $url, ')' ) . $suffix; |
|
$url = substr( $url, 0, strrpos( $url, ')' ) ); |
|
} |
|
|
|
$url = esc_url($url); |
|
if ( empty($url) ) |
|
return $matches[0]; |
|
|
|
return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix; |
|
} |
|
|
|
/** |
|
* Callback to convert URL match to HTML A element. |
|
* |
|
* This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable(). |
|
* |
|
* @since 2.3.2 |
|
* @access private |
|
* |
|
* @param array $matches Single Regex Match. |
|
* @return string HTML A element with URL address. |
|
*/ |
|
function _make_web_ftp_clickable_cb( $matches ) { |
|
$ret = ''; |
|
$dest = $matches[2]; |
|
$dest = 'http://' . $dest; |
|
|
|
// removed trailing [.,;:)] from URL |
|
if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) { |
|
$ret = substr($dest, -1); |
|
$dest = substr($dest, 0, strlen($dest)-1); |
|
} |
|
|
|
$dest = esc_url($dest); |
|
if ( empty($dest) ) |
|
return $matches[0]; |
|
|
|
return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret"; |
|
} |
|
|
|
/** |
|
* Callback to convert email address match to HTML A element. |
|
* |
|
* This function was backported from 2.5.0 to 2.3.2. Regex callback for make_clickable(). |
|
* |
|
* @since 2.3.2 |
|
* @access private |
|
* |
|
* @param array $matches Single Regex Match. |
|
* @return string HTML A element with email address. |
|
*/ |
|
function _make_email_clickable_cb( $matches ) { |
|
$email = $matches[2] . '@' . $matches[3]; |
|
return $matches[1] . "<a href=\"mailto:$email\">$email</a>"; |
|
} |
|
|
|
/** |
|
* Convert plaintext URI to HTML links. |
|
* |
|
* Converts URI, www and ftp, and email addresses. Finishes by fixing links |
|
* within links. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $text Content to convert URIs. |
|
* @return string Content with converted URIs. |
|
*/ |
|
function make_clickable( $text ) { |
|
$r = ''; |
|
$textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags |
|
$nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code> |
|
foreach ( $textarr as $piece ) { |
|
|
|
if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) || preg_match( '|^<script[\s>]|i', $piece ) || preg_match( '|^<style[\s>]|i', $piece ) ) |
|
$nested_code_pre++; |
|
elseif ( $nested_code_pre && ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) || '</script>' === strtolower( $piece ) || '</style>' === strtolower( $piece ) ) ) |
|
$nested_code_pre--; |
|
|
|
if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) { |
|
$r .= $piece; |
|
continue; |
|
} |
|
|
|
// Long strings might contain expensive edge cases ... |
|
if ( 10000 < strlen( $piece ) ) { |
|
// ... break it up |
|
foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses |
|
if ( 2101 < strlen( $chunk ) ) { |
|
$r .= $chunk; // Too big, no whitespace: bail. |
|
} else { |
|
$r .= make_clickable( $chunk ); |
|
} |
|
} |
|
} else { |
|
$ret = " $piece "; // Pad with whitespace to simplify the regexes |
|
|
|
$url_clickable = '~ |
|
([\\s(<.,;:!?]) # 1: Leading whitespace, or punctuation |
|
( # 2: URL |
|
[\\w]{1,20}+:// # Scheme and hier-part prefix |
|
(?=\S{1,2000}\s) # Limit to URLs less than about 2000 characters long |
|
[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+ # Non-punctuation URL character |
|
(?: # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character |
|
[\'.,;:!?)] # Punctuation URL character |
|
[\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character |
|
)* |
|
) |
|
(\)?) # 3: Trailing closing parenthesis (for parethesis balancing post processing) |
|
~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character. |
|
// Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times. |
|
|
|
$ret = preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $ret ); |
|
|
|
$ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret ); |
|
$ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret ); |
|
|
|
$ret = substr( $ret, 1, -1 ); // Remove our whitespace padding. |
|
$r .= $ret; |
|
} |
|
} |
|
|
|
// Cleanup of accidental links within links |
|
return preg_replace( '#(<a([ \r\n\t]+[^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r ); |
|
} |
|
|
|
/** |
|
* Breaks a string into chunks by splitting at whitespace characters. |
|
* The length of each returned chunk is as close to the specified length goal as possible, |
|
* with the caveat that each chunk includes its trailing delimiter. |
|
* Chunks longer than the goal are guaranteed to not have any inner whitespace. |
|
* |
|
* Joining the returned chunks with empty delimiters reconstructs the input string losslessly. |
|
* |
|
* Input string must have no null characters (or eventual transformations on output chunks must not care about null characters) |
|
* |
|
* _split_str_by_whitespace( "1234 67890 1234 67890a cd 1234 890 123456789 1234567890a 45678 1 3 5 7 90 ", 10 ) == |
|
* array ( |
|
* 0 => '1234 67890 ', // 11 characters: Perfect split |
|
* 1 => '1234 ', // 5 characters: '1234 67890a' was too long |
|
* 2 => '67890a cd ', // 10 characters: '67890a cd 1234' was too long |
|
* 3 => '1234 890 ', // 11 characters: Perfect split |
|
* 4 => '123456789 ', // 10 characters: '123456789 1234567890a' was too long |
|
* 5 => '1234567890a ', // 12 characters: Too long, but no inner whitespace on which to split |
|
* 6 => ' 45678 ', // 11 characters: Perfect split |
|
* 7 => '1 3 5 7 90 ', // 11 characters: End of $string |
|
* ); |
|
* |
|
* @since 3.4.0 |
|
* @access private |
|
* |
|
* @param string $string The string to split. |
|
* @param int $goal The desired chunk length. |
|
* @return array Numeric array of chunks. |
|
*/ |
|
function _split_str_by_whitespace( $string, $goal ) { |
|
$chunks = array(); |
|
|
|
$string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" ); |
|
|
|
while ( $goal < strlen( $string_nullspace ) ) { |
|
$pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" ); |
|
|
|
if ( false === $pos ) { |
|
$pos = strpos( $string_nullspace, "\000", $goal + 1 ); |
|
if ( false === $pos ) { |
|
break; |
|
} |
|
} |
|
|
|
$chunks[] = substr( $string, 0, $pos + 1 ); |
|
$string = substr( $string, $pos + 1 ); |
|
$string_nullspace = substr( $string_nullspace, $pos + 1 ); |
|
} |
|
|
|
if ( $string ) { |
|
$chunks[] = $string; |
|
} |
|
|
|
return $chunks; |
|
} |
|
|
|
/** |
|
* Adds rel nofollow string to all HTML A elements in content. |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $text Content that may contain HTML A elements. |
|
* @return string Converted content. |
|
*/ |
|
function wp_rel_nofollow( $text ) { |
|
// This is a pre save filter, so text is already escaped. |
|
$text = stripslashes($text); |
|
$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text); |
|
return wp_slash( $text ); |
|
} |
|
|
|
/** |
|
* Callback to add rel=nofollow string to HTML A element. |
|
* |
|
* Will remove already existing rel="nofollow" and rel='nofollow' from the |
|
* string to prevent from invalidating (X)HTML. |
|
* |
|
* @since 2.3.0 |
|
* |
|
* @param array $matches Single Match |
|
* @return string HTML A Element with rel nofollow. |
|
*/ |
|
function wp_rel_nofollow_callback( $matches ) { |
|
$text = $matches[1]; |
|
$atts = shortcode_parse_atts( $matches[1] ); |
|
$rel = 'nofollow'; |
|
|
|
if ( preg_match( '%href=["\'](' . preg_quote( set_url_scheme( home_url(), 'http' ) ) . ')%i', $text ) || |
|
preg_match( '%href=["\'](' . preg_quote( set_url_scheme( home_url(), 'https' ) ) . ')%i', $text ) |
|
) { |
|
return "<a $text>"; |
|
} |
|
|
|
if ( ! empty( $atts['rel'] ) ) { |
|
$parts = array_map( 'trim', explode( ' ', $atts['rel'] ) ); |
|
if ( false === array_search( 'nofollow', $parts ) ) { |
|
$parts[] = 'nofollow'; |
|
} |
|
$rel = implode( ' ', $parts ); |
|
unset( $atts['rel'] ); |
|
|
|
$html = ''; |
|
foreach ( $atts as $name => $value ) { |
|
$html .= "{$name}=\"$value\" "; |
|
} |
|
$text = trim( $html ); |
|
} |
|
return "<a $text rel=\"$rel\">"; |
|
} |
|
|
|
/** |
|
* Convert one smiley code to the icon graphic file equivalent. |
|
* |
|
* Callback handler for convert_smilies(). |
|
* |
|
* Looks up one smiley code in the $wpsmiliestrans global array and returns an |
|
* `<img>` string for that smiley. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @global array $wpsmiliestrans |
|
* |
|
* @param array $matches Single match. Smiley code to convert to image. |
|
* @return string Image string for smiley. |
|
*/ |
|
function translate_smiley( $matches ) { |
|
global $wpsmiliestrans; |
|
|
|
if ( count( $matches ) == 0 ) |
|
return ''; |
|
|
|
$smiley = trim( reset( $matches ) ); |
|
$img = $wpsmiliestrans[ $smiley ]; |
|
|
|
$matches = array(); |
|
$ext = preg_match( '/\.([^.]+)$/', $img, $matches ) ? strtolower( $matches[1] ) : false; |
|
$image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' ); |
|
|
|
// Don't convert smilies that aren't images - they're probably emoji. |
|
if ( ! in_array( $ext, $image_exts ) ) { |
|
return $img; |
|
} |
|
|
|
/** |
|
* Filters the Smiley image URL before it's used in the image element. |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @param string $smiley_url URL for the smiley image. |
|
* @param string $img Filename for the smiley image. |
|
* @param string $site_url Site URL, as returned by site_url(). |
|
*/ |
|
$src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() ); |
|
|
|
return sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', esc_url( $src_url ), esc_attr( $smiley ) ); |
|
} |
|
|
|
/** |
|
* Convert text equivalent of smilies to images. |
|
* |
|
* Will only convert smilies if the option 'use_smilies' is true and the global |
|
* used in the function isn't empty. |
|
* |
|
* @since 0.71 |
|
* |
|
* @global string|array $wp_smiliessearch |
|
* |
|
* @param string $text Content to convert smilies from text. |
|
* @return string Converted content with text smilies replaced with images. |
|
*/ |
|
function convert_smilies( $text ) { |
|
global $wp_smiliessearch; |
|
$output = ''; |
|
if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) { |
|
// HTML loop taken from texturize function, could possible be consolidated |
|
$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between |
|
$stop = count( $textarr );// loop stuff |
|
|
|
// Ignore proessing of specific tags |
|
$tags_to_ignore = 'code|pre|style|script|textarea'; |
|
$ignore_block_element = ''; |
|
|
|
for ( $i = 0; $i < $stop; $i++ ) { |
|
$content = $textarr[$i]; |
|
|
|
// If we're in an ignore block, wait until we find its closing tag |
|
if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) ) { |
|
$ignore_block_element = $matches[1]; |
|
} |
|
|
|
// If it's not a tag and not in ignore block |
|
if ( '' == $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) { |
|
$content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content ); |
|
} |
|
|
|
// did we exit ignore block |
|
if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content ) { |
|
$ignore_block_element = ''; |
|
} |
|
|
|
$output .= $content; |
|
} |
|
} else { |
|
// return default text. |
|
$output = $text; |
|
} |
|
return $output; |
|
} |
|
|
|
/** |
|
* Verifies that an email is valid. |
|
* |
|
* Does not grok i18n domains. Not RFC compliant. |
|
* |
|
* @since 0.71 |
|
* |
|
* @param string $email Email address to verify. |
|
* @param bool $deprecated Deprecated. |
|
* @return string|bool Either false or the valid email address. |
|
*/ |
|
function is_email( $email, $deprecated = false ) { |
|
if ( ! empty( $deprecated ) ) |
|
_deprecated_argument( __FUNCTION__, '3.0.0' ); |
|
|
|
// Test for the minimum length the email can be |
|
if ( strlen( $email ) < 6 ) { |
|
/** |
|
* Filters whether an email address is valid. |
|
* |
|
* This filter is evaluated under several different contexts, such as 'email_too_short', |
|
* 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits', |
|
* 'domain_no_periods', 'sub_hyphen_limits', 'sub_invalid_chars', or no specific context. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param bool $is_email Whether the email address has passed the is_email() checks. Default false. |
|
* @param string $email The email address being checked. |
|
* @param string $context Context under which the email was tested. |
|
*/ |
|
return apply_filters( 'is_email', false, $email, 'email_too_short' ); |
|
} |
|
|
|
// Test for an @ character after the first position |
|
if ( strpos( $email, '@', 1 ) === false ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'email_no_at' ); |
|
} |
|
|
|
// Split out the local and domain parts |
|
list( $local, $domain ) = explode( '@', $email, 2 ); |
|
|
|
// LOCAL PART |
|
// Test for invalid characters |
|
if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'local_invalid_chars' ); |
|
} |
|
|
|
// DOMAIN PART |
|
// Test for sequences of periods |
|
if ( preg_match( '/\.{2,}/', $domain ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'domain_period_sequence' ); |
|
} |
|
|
|
// Test for leading and trailing periods and whitespace |
|
if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'domain_period_limits' ); |
|
} |
|
|
|
// Split the domain into subs |
|
$subs = explode( '.', $domain ); |
|
|
|
// Assume the domain will have at least two subs |
|
if ( 2 > count( $subs ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'domain_no_periods' ); |
|
} |
|
|
|
// Loop through each sub |
|
foreach ( $subs as $sub ) { |
|
// Test for leading and trailing hyphens and whitespace |
|
if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' ); |
|
} |
|
|
|
// Test for invalid characters |
|
if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' ); |
|
} |
|
} |
|
|
|
// Congratulations your email made it! |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'is_email', $email, $email, null ); |
|
} |
|
|
|
/** |
|
* Convert to ASCII from email subjects. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $string Subject line |
|
* @return string Converted string to ASCII |
|
*/ |
|
function wp_iso_descrambler( $string ) { |
|
/* this may only work with iso-8859-1, I'm afraid */ |
|
if (!preg_match('#\=\?(.+)\?Q\?(.+)\?\=#i', $string, $matches)) { |
|
return $string; |
|
} else { |
|
$subject = str_replace('_', ' ', $matches[2]); |
|
return preg_replace_callback( '#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject ); |
|
} |
|
} |
|
|
|
/** |
|
* Helper function to convert hex encoded chars to ASCII |
|
* |
|
* @since 3.1.0 |
|
* @access private |
|
* |
|
* @param array $match The preg_replace_callback matches array |
|
* @return string Converted chars |
|
*/ |
|
function _wp_iso_convert( $match ) { |
|
return chr( hexdec( strtolower( $match[1] ) ) ); |
|
} |
|
|
|
/** |
|
* Returns a date in the GMT equivalent. |
|
* |
|
* Requires and returns a date in the Y-m-d H:i:s format. If there is a |
|
* timezone_string available, the date is assumed to be in that timezone, |
|
* otherwise it simply subtracts the value of the 'gmt_offset' option. Return |
|
* format can be overridden using the $format parameter. |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $string The date to be converted. |
|
* @param string $format The format string for the returned date (default is Y-m-d H:i:s) |
|
* @return string GMT version of the date provided. |
|
*/ |
|
function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) { |
|
$tz = get_option( 'timezone_string' ); |
|
if ( $tz ) { |
|
$datetime = date_create( $string, new DateTimeZone( $tz ) ); |
|
if ( ! $datetime ) { |
|
return gmdate( $format, 0 ); |
|
} |
|
$datetime->setTimezone( new DateTimeZone( 'UTC' ) ); |
|
$string_gmt = $datetime->format( $format ); |
|
} else { |
|
if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) ) { |
|
$datetime = strtotime( $string ); |
|
if ( false === $datetime ) { |
|
return gmdate( $format, 0 ); |
|
} |
|
return gmdate( $format, $datetime ); |
|
} |
|
$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] ); |
|
$string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ); |
|
} |
|
return $string_gmt; |
|
} |
|
|
|
/** |
|
* Converts a GMT date into the correct format for the blog. |
|
* |
|
* Requires and returns a date in the Y-m-d H:i:s format. If there is a |
|
* timezone_string available, the returned date is in that timezone, otherwise |
|
* it simply adds the value of gmt_offset. Return format can be overridden |
|
* using the $format parameter |
|
* |
|
* @since 1.2.0 |
|
* |
|
* @param string $string The date to be converted. |
|
* @param string $format The format string for the returned date (default is Y-m-d H:i:s) |
|
* @return string Formatted date relative to the timezone / GMT offset. |
|
*/ |
|
function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) { |
|
$tz = get_option( 'timezone_string' ); |
|
if ( $tz ) { |
|
$datetime = date_create( $string, new DateTimeZone( 'UTC' ) ); |
|
if ( ! $datetime ) |
|
return date( $format, 0 ); |
|
$datetime->setTimezone( new DateTimeZone( $tz ) ); |
|
$string_localtime = $datetime->format( $format ); |
|
} else { |
|
if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) ) |
|
return date( $format, 0 ); |
|
$string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] ); |
|
$string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ); |
|
} |
|
return $string_localtime; |
|
} |
|
|
|
/** |
|
* Computes an offset in seconds from an iso8601 timezone. |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $timezone Either 'Z' for 0 offset or '±hhmm'. |
|
* @return int|float The offset in seconds. |
|
*/ |
|
function iso8601_timezone_to_offset( $timezone ) { |
|
// $timezone is either 'Z' or '[+|-]hhmm' |
|
if ($timezone == 'Z') { |
|
$offset = 0; |
|
} else { |
|
$sign = (substr($timezone, 0, 1) == '+') ? 1 : -1; |
|
$hours = intval(substr($timezone, 1, 2)); |
|
$minutes = intval(substr($timezone, 3, 4)) / 60; |
|
$offset = $sign * HOUR_IN_SECONDS * ($hours + $minutes); |
|
} |
|
return $offset; |
|
} |
|
|
|
/** |
|
* Converts an iso8601 date to MySQL DateTime format used by post_date[_gmt]. |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $date_string Date and time in ISO 8601 format {@link https://en.wikipedia.org/wiki/ISO_8601}. |
|
* @param string $timezone Optional. If set to GMT returns the time minus gmt_offset. Default is 'user'. |
|
* @return string The date and time in MySQL DateTime format - Y-m-d H:i:s. |
|
*/ |
|
function iso8601_to_datetime( $date_string, $timezone = 'user' ) { |
|
$timezone = strtolower($timezone); |
|
|
|
if ($timezone == 'gmt') { |
|
|
|
preg_match('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', $date_string, $date_bits); |
|
|
|
if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset |
|
$offset = iso8601_timezone_to_offset($date_bits[7]); |
|
} else { // we don't have a timezone, so we assume user local timezone (not server's!) |
|
$offset = HOUR_IN_SECONDS * get_option('gmt_offset'); |
|
} |
|
|
|
$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]); |
|
$timestamp -= $offset; |
|
|
|
return gmdate('Y-m-d H:i:s', $timestamp); |
|
|
|
} elseif ($timezone == 'user') { |
|
return preg_replace('#([0-9]{4})([0-9]{2})([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(Z|[\+|\-][0-9]{2,4}){0,1}#', '$1-$2-$3 $4:$5:$6', $date_string); |
|
} |
|
} |
|
|
|
/** |
|
* Strips out all characters that are not allowable in an email. |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $email Email address to filter. |
|
* @return string Filtered email address. |
|
*/ |
|
function sanitize_email( $email ) { |
|
// Test for the minimum length the email can be |
|
if ( strlen( $email ) < 6 ) { |
|
/** |
|
* Filters a sanitized email address. |
|
* |
|
* This filter is evaluated under several contexts, including 'email_too_short', |
|
* 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits', |
|
* 'domain_no_periods', 'domain_no_valid_subs', or no context. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $email The sanitized email address. |
|
* @param string $email The email address, as provided to sanitize_email(). |
|
* @param string $message A message to pass to the user. |
|
*/ |
|
return apply_filters( 'sanitize_email', '', $email, 'email_too_short' ); |
|
} |
|
|
|
// Test for an @ character after the first position |
|
if ( strpos( $email, '@', 1 ) === false ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'email_no_at' ); |
|
} |
|
|
|
// Split out the local and domain parts |
|
list( $local, $domain ) = explode( '@', $email, 2 ); |
|
|
|
// LOCAL PART |
|
// Test for invalid characters |
|
$local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local ); |
|
if ( '' === $local ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' ); |
|
} |
|
|
|
// DOMAIN PART |
|
// Test for sequences of periods |
|
$domain = preg_replace( '/\.{2,}/', '', $domain ); |
|
if ( '' === $domain ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' ); |
|
} |
|
|
|
// Test for leading and trailing periods and whitespace |
|
$domain = trim( $domain, " \t\n\r\0\x0B." ); |
|
if ( '' === $domain ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' ); |
|
} |
|
|
|
// Split the domain into subs |
|
$subs = explode( '.', $domain ); |
|
|
|
// Assume the domain will have at least two subs |
|
if ( 2 > count( $subs ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' ); |
|
} |
|
|
|
// Create an array that will contain valid subs |
|
$new_subs = array(); |
|
|
|
// Loop through each sub |
|
foreach ( $subs as $sub ) { |
|
// Test for leading and trailing hyphens |
|
$sub = trim( $sub, " \t\n\r\0\x0B-" ); |
|
|
|
// Test for invalid characters |
|
$sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub ); |
|
|
|
// If there's anything left, add it to the valid subs |
|
if ( '' !== $sub ) { |
|
$new_subs[] = $sub; |
|
} |
|
} |
|
|
|
// If there aren't 2 or more valid subs |
|
if ( 2 > count( $new_subs ) ) { |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' ); |
|
} |
|
|
|
// Join valid subs into the new domain |
|
$domain = join( '.', $new_subs ); |
|
|
|
// Put the email back together |
|
$email = $local . '@' . $domain; |
|
|
|
// Congratulations your email made it! |
|
/** This filter is documented in wp-includes/formatting.php */ |
|
return apply_filters( 'sanitize_email', $email, $email, null ); |
|
} |
|
|
|
/** |
|
* Determines the difference between two timestamps. |
|
* |
|
* The difference is returned in a human readable format such as "1 hour", |
|
* "5 mins", "2 days". |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param int $from Unix timestamp from which the difference begins. |
|
* @param int $to Optional. Unix timestamp to end the time difference. Default becomes time() if not set. |
|
* @return string Human readable time difference. |
|
*/ |
|
function human_time_diff( $from, $to = '' ) { |
|
if ( empty( $to ) ) { |
|
$to = time(); |
|
} |
|
|
|
$diff = (int) abs( $to - $from ); |
|
|
|
if ( $diff < HOUR_IN_SECONDS ) { |
|
$mins = round( $diff / MINUTE_IN_SECONDS ); |
|
if ( $mins <= 1 ) |
|
$mins = 1; |
|
/* translators: Time difference between two dates, in minutes (min=minute). 1: Number of minutes */ |
|
$since = sprintf( _n( '%s min', '%s mins', $mins ), $mins ); |
|
} elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) { |
|
$hours = round( $diff / HOUR_IN_SECONDS ); |
|
if ( $hours <= 1 ) |
|
$hours = 1; |
|
/* translators: Time difference between two dates, in hours. 1: Number of hours */ |
|
$since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours ); |
|
} elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) { |
|
$days = round( $diff / DAY_IN_SECONDS ); |
|
if ( $days <= 1 ) |
|
$days = 1; |
|
/* translators: Time difference between two dates, in days. 1: Number of days */ |
|
$since = sprintf( _n( '%s day', '%s days', $days ), $days ); |
|
} elseif ( $diff < MONTH_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) { |
|
$weeks = round( $diff / WEEK_IN_SECONDS ); |
|
if ( $weeks <= 1 ) |
|
$weeks = 1; |
|
/* translators: Time difference between two dates, in weeks. 1: Number of weeks */ |
|
$since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks ); |
|
} elseif ( $diff < YEAR_IN_SECONDS && $diff >= MONTH_IN_SECONDS ) { |
|
$months = round( $diff / MONTH_IN_SECONDS ); |
|
if ( $months <= 1 ) |
|
$months = 1; |
|
/* translators: Time difference between two dates, in months. 1: Number of months */ |
|
$since = sprintf( _n( '%s month', '%s months', $months ), $months ); |
|
} elseif ( $diff >= YEAR_IN_SECONDS ) { |
|
$years = round( $diff / YEAR_IN_SECONDS ); |
|
if ( $years <= 1 ) |
|
$years = 1; |
|
/* translators: Time difference between two dates, in years. 1: Number of years */ |
|
$since = sprintf( _n( '%s year', '%s years', $years ), $years ); |
|
} |
|
|
|
/** |
|
* Filters the human readable difference between two timestamps. |
|
* |
|
* @since 4.0.0 |
|
* |
|
* @param string $since The difference in human readable text. |
|
* @param int $diff The difference in seconds. |
|
* @param int $from Unix timestamp from which the difference begins. |
|
* @param int $to Unix timestamp to end the time difference. |
|
*/ |
|
return apply_filters( 'human_time_diff', $since, $diff, $from, $to ); |
|
} |
|
|
|
/** |
|
* Generates an excerpt from the content, if needed. |
|
* |
|
* The excerpt word amount will be 55 words and if the amount is greater than |
|
* that, then the string ' […]' will be appended to the excerpt. If the string |
|
* is less than 55 words, then the content will be returned as is. |
|
* |
|
* The 55 word limit can be modified by plugins/themes using the {@see 'excerpt_length'} filter |
|
* The ' […]' string can be modified by plugins/themes using the {@see 'excerpt_more'} filter |
|
* |
|
* @since 1.5.0 |
|
* |
|
* @param string $text Optional. The excerpt. If set to empty, an excerpt is generated. |
|
* @return string The excerpt. |
|
*/ |
|
function wp_trim_excerpt( $text = '' ) { |
|
$raw_excerpt = $text; |
|
if ( '' == $text ) { |
|
$text = get_the_content(''); |
|
|
|
$text = strip_shortcodes( $text ); |
|
$text = excerpt_remove_blocks( $text ); |
|
|
|
/** This filter is documented in wp-includes/post-template.php */ |
|
$text = apply_filters( 'the_content', $text ); |
|
$text = str_replace(']]>', ']]>', $text); |
|
|
|
/** |
|
* Filters the number of words in an excerpt. |
|
* |
|
* @since 2.7.0 |
|
* |
|
* @param int $number The number of words. Default 55. |
|
*/ |
|
$excerpt_length = apply_filters( 'excerpt_length', 55 ); |
|
/** |
|
* Filters the string in the "more" link displayed after a trimmed excerpt. |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @param string $more_string The string shown within the more link. |
|
*/ |
|
$excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' ); |
|
$text = wp_trim_words( $text, $excerpt_length, $excerpt_more ); |
|
} |
|
/** |
|
* Filters the trimmed excerpt string. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $text The trimmed text. |
|
* @param string $raw_excerpt The text prior to trimming. |
|
*/ |
|
return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt ); |
|
} |
|
|
|
/** |
|
* Trims text to a certain number of words. |
|
* |
|
* This function is localized. For languages that count 'words' by the individual |
|
* character (such as East Asian languages), the $num_words argument will apply |
|
* to the number of individual characters. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @param string $text Text to trim. |
|
* @param int $num_words Number of words. Default 55. |
|
* @param string $more Optional. What to append if $text needs to be trimmed. Default '…'. |
|
* @return string Trimmed text. |
|
*/ |
|
function wp_trim_words( $text, $num_words = 55, $more = null ) { |
|
if ( null === $more ) { |
|
$more = __( '…' ); |
|
} |
|
|
|
$original_text = $text; |
|
$text = wp_strip_all_tags( $text ); |
|
|
|
/* |
|
* translators: If your word count is based on single characters (e.g. East Asian characters), |
|
* enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'. |
|
* Do not translate into your own language. |
|
*/ |
|
if ( strpos( _x( 'words', 'Word count type. Do not translate!' ), 'characters' ) === 0 && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) { |
|
$text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' ); |
|
preg_match_all( '/./u', $text, $words_array ); |
|
$words_array = array_slice( $words_array[0], 0, $num_words + 1 ); |
|
$sep = ''; |
|
} else { |
|
$words_array = preg_split( "/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY ); |
|
$sep = ' '; |
|
} |
|
|
|
if ( count( $words_array ) > $num_words ) { |
|
array_pop( $words_array ); |
|
$text = implode( $sep, $words_array ); |
|
$text = $text . $more; |
|
} else { |
|
$text = implode( $sep, $words_array ); |
|
} |
|
|
|
/** |
|
* Filters the text content after words have been trimmed. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @param string $text The trimmed text. |
|
* @param int $num_words The number of words to trim the text to. Default 55. |
|
* @param string $more An optional string to append to the end of the trimmed text, e.g. …. |
|
* @param string $original_text The text before it was trimmed. |
|
*/ |
|
return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text ); |
|
} |
|
|
|
/** |
|
* Converts named entities into numbered entities. |
|
* |
|
* @since 1.5.1 |
|
* |
|
* @param string $text The text within which entities will be converted. |
|
* @return string Text with converted entities. |
|
*/ |
|
function ent2ncr( $text ) { |
|
|
|
/** |
|
* Filters text before named entities are converted into numbered entities. |
|
* |
|
* A non-null string must be returned for the filter to be evaluated. |
|
* |
|
* @since 3.3.0 |
|
* |
|
* @param null $converted_text The text to be converted. Default null. |
|
* @param string $text The text prior to entity conversion. |
|
*/ |
|
$filtered = apply_filters( 'pre_ent2ncr', null, $text ); |
|
if ( null !== $filtered ) |
|
return $filtered; |
|
|
|
$to_ncr = array( |
|
'"' => '"', |
|
'&' => '&', |
|
'<' => '<', |
|
'>' => '>', |
|
'|' => '|', |
|
' ' => ' ', |
|
'¡' => '¡', |
|
'¢' => '¢', |
|
'£' => '£', |
|
'¤' => '¤', |
|
'¥' => '¥', |
|
'¦' => '¦', |
|
'&brkbar;' => '¦', |
|
'§' => '§', |
|
'¨' => '¨', |
|
'¨' => '¨', |
|
'©' => '©', |
|
'ª' => 'ª', |
|
'«' => '«', |
|
'¬' => '¬', |
|
'­' => '­', |
|
'®' => '®', |
|
'¯' => '¯', |
|
'&hibar;' => '¯', |
|
'°' => '°', |
|
'±' => '±', |
|
'²' => '²', |
|
'³' => '³', |
|
'´' => '´', |
|
'µ' => 'µ', |
|
'¶' => '¶', |
|
'·' => '·', |
|
'¸' => '¸', |
|
'¹' => '¹', |
|
'º' => 'º', |
|
'»' => '»', |
|
'¼' => '¼', |
|
'½' => '½', |
|
'¾' => '¾', |
|
'¿' => '¿', |
|
'À' => 'À', |
|
'Á' => 'Á', |
|
'Â' => 'Â', |
|
'Ã' => 'Ã', |
|
'Ä' => 'Ä', |
|
'Å' => 'Å', |
|
'Æ' => 'Æ', |
|
'Ç' => 'Ç', |
|
'È' => 'È', |
|
'É' => 'É', |
|
'Ê' => 'Ê', |
|
'Ë' => 'Ë', |
|
'Ì' => 'Ì', |
|
'Í' => 'Í', |
|
'Î' => 'Î', |
|
'Ï' => 'Ï', |
|
'Ð' => 'Ð', |
|
'Ñ' => 'Ñ', |
|
'Ò' => 'Ò', |
|
'Ó' => 'Ó', |
|
'Ô' => 'Ô', |
|
'Õ' => 'Õ', |
|
'Ö' => 'Ö', |
|
'×' => '×', |
|
'Ø' => 'Ø', |
|
'Ù' => 'Ù', |
|
'Ú' => 'Ú', |
|
'Û' => 'Û', |
|
'Ü' => 'Ü', |
|
'Ý' => 'Ý', |
|
'Þ' => 'Þ', |
|
'ß' => 'ß', |
|
'à' => 'à', |
|
'á' => 'á', |
|
'â' => 'â', |
|
'ã' => 'ã', |
|
'ä' => 'ä', |
|
'å' => 'å', |
|
'æ' => 'æ', |
|
'ç' => 'ç', |
|
'è' => 'è', |
|
'é' => 'é', |
|
'ê' => 'ê', |
|
'ë' => 'ë', |
|
'ì' => 'ì', |
|
'í' => 'í', |
|
'î' => 'î', |
|
'ï' => 'ï', |
|
'ð' => 'ð', |
|
'ñ' => 'ñ', |
|
'ò' => 'ò', |
|
'ó' => 'ó', |
|
'ô' => 'ô', |
|
'õ' => 'õ', |
|
'ö' => 'ö', |
|
'÷' => '÷', |
|
'ø' => 'ø', |
|
'ù' => 'ù', |
|
'ú' => 'ú', |
|
'û' => 'û', |
|
'ü' => 'ü', |
|
'ý' => 'ý', |
|
'þ' => 'þ', |
|
'ÿ' => 'ÿ', |
|
'Œ' => 'Œ', |
|
'œ' => 'œ', |
|
'Š' => 'Š', |
|
'š' => 'š', |
|
'Ÿ' => 'Ÿ', |
|
'ƒ' => 'ƒ', |
|
'ˆ' => 'ˆ', |
|
'˜' => '˜', |
|
'Α' => 'Α', |
|
'Β' => 'Β', |
|
'Γ' => 'Γ', |
|
'Δ' => 'Δ', |
|
'Ε' => 'Ε', |
|
'Ζ' => 'Ζ', |
|
'Η' => 'Η', |
|
'Θ' => 'Θ', |
|
'Ι' => 'Ι', |
|
'Κ' => 'Κ', |
|
'Λ' => 'Λ', |
|
'Μ' => 'Μ', |
|
'Ν' => 'Ν', |
|
'Ξ' => 'Ξ', |
|
'Ο' => 'Ο', |
|
'Π' => 'Π', |
|
'Ρ' => 'Ρ', |
|
'Σ' => 'Σ', |
|
'Τ' => 'Τ', |
|
'Υ' => 'Υ', |
|
'Φ' => 'Φ', |
|
'Χ' => 'Χ', |
|
'Ψ' => 'Ψ', |
|
'Ω' => 'Ω', |
|
'α' => 'α', |
|
'β' => 'β', |
|
'γ' => 'γ', |
|
'δ' => 'δ', |
|
'ε' => 'ε', |
|
'ζ' => 'ζ', |
|
'η' => 'η', |
|
'θ' => 'θ', |
|
'ι' => 'ι', |
|
'κ' => 'κ', |
|
'λ' => 'λ', |
|
'μ' => 'μ', |
|
'ν' => 'ν', |
|
'ξ' => 'ξ', |
|
'ο' => 'ο', |
|
'π' => 'π', |
|
'ρ' => 'ρ', |
|
'ς' => 'ς', |
|
'σ' => 'σ', |
|
'τ' => 'τ', |
|
'υ' => 'υ', |
|
'φ' => 'φ', |
|
'χ' => 'χ', |
|
'ψ' => 'ψ', |
|
'ω' => 'ω', |
|
'ϑ' => 'ϑ', |
|
'ϒ' => 'ϒ', |
|
'ϖ' => 'ϖ', |
|
' ' => ' ', |
|
' ' => ' ', |
|
' ' => ' ', |
|
'‌' => '‌', |
|
'‍' => '‍', |
|
'‎' => '‎', |
|
'‏' => '‏', |
|
'–' => '–', |
|
'—' => '—', |
|
'‘' => '‘', |
|
'’' => '’', |
|
'‚' => '‚', |
|
'“' => '“', |
|
'”' => '”', |
|
'„' => '„', |
|
'†' => '†', |
|
'‡' => '‡', |
|
'•' => '•', |
|
'…' => '…', |
|
'‰' => '‰', |
|
'′' => '′', |
|
'″' => '″', |
|
'‹' => '‹', |
|
'›' => '›', |
|
'‾' => '‾', |
|
'⁄' => '⁄', |
|
'€' => '€', |
|
'ℑ' => 'ℑ', |
|
'℘' => '℘', |
|
'ℜ' => 'ℜ', |
|
'™' => '™', |
|
'ℵ' => 'ℵ', |
|
'↵' => '↵', |
|
'⇐' => '⇐', |
|
'⇑' => '⇑', |
|
'⇒' => '⇒', |
|
'⇓' => '⇓', |
|
'⇔' => '⇔', |
|
'∀' => '∀', |
|
'∂' => '∂', |
|
'∃' => '∃', |
|
'∅' => '∅', |
|
'∇' => '∇', |
|
'∈' => '∈', |
|
'∉' => '∉', |
|
'∋' => '∋', |
|
'∏' => '∏', |
|
'∑' => '∑', |
|
'−' => '−', |
|
'∗' => '∗', |
|
'√' => '√', |
|
'∝' => '∝', |
|
'∞' => '∞', |
|
'∠' => '∠', |
|
'∧' => '∧', |
|
'∨' => '∨', |
|
'∩' => '∩', |
|
'∪' => '∪', |
|
'∫' => '∫', |
|
'∴' => '∴', |
|
'∼' => '∼', |
|
'≅' => '≅', |
|
'≈' => '≈', |
|
'≠' => '≠', |
|
'≡' => '≡', |
|
'≤' => '≤', |
|
'≥' => '≥', |
|
'⊂' => '⊂', |
|
'⊃' => '⊃', |
|
'⊄' => '⊄', |
|
'⊆' => '⊆', |
|
'⊇' => '⊇', |
|
'⊕' => '⊕', |
|
'⊗' => '⊗', |
|
'⊥' => '⊥', |
|
'⋅' => '⋅', |
|
'⌈' => '⌈', |
|
'⌉' => '⌉', |
|
'⌊' => '⌊', |
|
'⌋' => '⌋', |
|
'⟨' => '〈', |
|
'⟩' => '〉', |
|
'←' => '←', |
|
'↑' => '↑', |
|
'→' => '→', |
|
'↓' => '↓', |
|
'↔' => '↔', |
|
'◊' => '◊', |
|
'♠' => '♠', |
|
'♣' => '♣', |
|
'♥' => '♥', |
|
'♦' => '♦' |
|
); |
|
|
|
return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); |
|
} |
|
|
|
/** |
|
* Formats text for the editor. |
|
* |
|
* Generally the browsers treat everything inside a textarea as text, but |
|
* it is still a good idea to HTML entity encode `<`, `>` and `&` in the content. |
|
* |
|
* The filter {@see 'format_for_editor'} is applied here. If `$text` is empty the |
|
* filter will be applied to an empty string. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @see _WP_Editors::editor() |
|
* |
|
* @param string $text The text to be formatted. |
|
* @param string $default_editor The default editor for the current user. |
|
* It is usually either 'html' or 'tinymce'. |
|
* @return string The formatted text after filter is applied. |
|
*/ |
|
function format_for_editor( $text, $default_editor = null ) { |
|
if ( $text ) { |
|
$text = htmlspecialchars( $text, ENT_NOQUOTES, get_option( 'blog_charset' ) ); |
|
} |
|
|
|
/** |
|
* Filters the text after it is formatted for the editor. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @param string $text The formatted text. |
|
* @param string $default_editor The default editor for the current user. |
|
* It is usually either 'html' or 'tinymce'. |
|
*/ |
|
return apply_filters( 'format_for_editor', $text, $default_editor ); |
|
} |
|
|
|
/** |
|
* Perform a deep string replace operation to ensure the values in $search are no longer present |
|
* |
|
* Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values |
|
* e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that |
|
* str_replace would return |
|
* |
|
* @since 2.8.1 |
|
* @access private |
|
* |
|
* @param string|array $search The value being searched for, otherwise known as the needle. |
|
* An array may be used to designate multiple needles. |
|
* @param string $subject The string being searched and replaced on, otherwise known as the haystack. |
|
* @return string The string with the replaced svalues. |
|
*/ |
|
function _deep_replace( $search, $subject ) { |
|
$subject = (string) $subject; |
|
|
|
$count = 1; |
|
while ( $count ) { |
|
$subject = str_replace( $search, '', $subject, $count ); |
|
} |
|
|
|
return $subject; |
|
} |
|
|
|
/** |
|
* Escapes data for use in a MySQL query. |
|
* |
|
* Usually you should prepare queries using wpdb::prepare(). |
|
* Sometimes, spot-escaping is required or useful. One example |
|
* is preparing an array for use in an IN clause. |
|
* |
|
* NOTE: Since 4.8.3, '%' characters will be replaced with a placeholder string, |
|
* this prevents certain SQLi attacks from taking place. This change in behaviour |
|
* may cause issues for code that expects the return value of esc_sql() to be useable |
|
* for other purposes. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @global wpdb $wpdb WordPress database abstraction object. |
|
* |
|
* @param string|array $data Unescaped data |
|
* @return string|array Escaped data |
|
*/ |
|
function esc_sql( $data ) { |
|
global $wpdb; |
|
return $wpdb->_escape( $data ); |
|
} |
|
|
|
/** |
|
* Checks and cleans a URL. |
|
* |
|
* A number of characters are removed from the URL. If the URL is for displaying |
|
* (the default behaviour) ampersands are also replaced. The {@see 'clean_url'} filter |
|
* is applied to the returned cleaned URL. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $url The URL to be cleaned. |
|
* @param array $protocols Optional. An array of acceptable protocols. |
|
* Defaults to return value of wp_allowed_protocols() |
|
* @param string $_context Private. Use esc_url_raw() for database usage. |
|
* @return string The cleaned $url after the {@see 'clean_url'} filter is applied. |
|
*/ |
|
function esc_url( $url, $protocols = null, $_context = 'display' ) { |
|
$original_url = $url; |
|
|
|
if ( '' == $url ) |
|
return $url; |
|
|
|
$url = str_replace( ' ', '%20', $url ); |
|
$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\[\]\\x80-\\xff]|i', '', $url); |
|
|
|
if ( '' === $url ) { |
|
return $url; |
|
} |
|
|
|
if ( 0 !== stripos( $url, 'mailto:' ) ) { |
|
$strip = array('%0d', '%0a', '%0D', '%0A'); |
|
$url = _deep_replace($strip, $url); |
|
} |
|
|
|
$url = str_replace(';//', '://', $url); |
|
/* If the URL doesn't appear to contain a scheme, we |
|
* presume it needs http:// prepended (unless a relative |
|
* link starting with /, # or ? or a php file). |
|
*/ |
|
if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) && |
|
! preg_match('/^[a-z0-9-]+?\.php/i', $url) ) |
|
$url = 'http://' . $url; |
|
|
|
// Replace ampersands and single quotes only when displaying. |
|
if ( 'display' == $_context ) { |
|
$url = wp_kses_normalize_entities( $url ); |
|
$url = str_replace( '&', '&', $url ); |
|
$url = str_replace( "'", ''', $url ); |
|
} |
|
|
|
if ( ( false !== strpos( $url, '[' ) ) || ( false !== strpos( $url, ']' ) ) ) { |
|
|
|
$parsed = wp_parse_url( $url ); |
|
$front = ''; |
|
|
|
if ( isset( $parsed['scheme'] ) ) { |
|
$front .= $parsed['scheme'] . '://'; |
|
} elseif ( '/' === $url[0] ) { |
|
$front .= '//'; |
|
} |
|
|
|
if ( isset( $parsed['user'] ) ) { |
|
$front .= $parsed['user']; |
|
} |
|
|
|
if ( isset( $parsed['pass'] ) ) { |
|
$front .= ':' . $parsed['pass']; |
|
} |
|
|
|
if ( isset( $parsed['user'] ) || isset( $parsed['pass'] ) ) { |
|
$front .= '@'; |
|
} |
|
|
|
if ( isset( $parsed['host'] ) ) { |
|
$front .= $parsed['host']; |
|
} |
|
|
|
if ( isset( $parsed['port'] ) ) { |
|
$front .= ':' . $parsed['port']; |
|
} |
|
|
|
$end_dirty = str_replace( $front, '', $url ); |
|
$end_clean = str_replace( array( '[', ']' ), array( '%5B', '%5D' ), $end_dirty ); |
|
$url = str_replace( $end_dirty, $end_clean, $url ); |
|
|
|
} |
|
|
|
if ( '/' === $url[0] ) { |
|
$good_protocol_url = $url; |
|
} else { |
|
if ( ! is_array( $protocols ) ) |
|
$protocols = wp_allowed_protocols(); |
|
$good_protocol_url = wp_kses_bad_protocol( $url, $protocols ); |
|
if ( strtolower( $good_protocol_url ) != strtolower( $url ) ) |
|
return ''; |
|
} |
|
|
|
/** |
|
* Filters a string cleaned and escaped for output as a URL. |
|
* |
|
* @since 2.3.0 |
|
* |
|
* @param string $good_protocol_url The cleaned URL to be returned. |
|
* @param string $original_url The URL prior to cleaning. |
|
* @param string $_context If 'display', replace ampersands and single quotes only. |
|
*/ |
|
return apply_filters( 'clean_url', $good_protocol_url, $original_url, $_context ); |
|
} |
|
|
|
/** |
|
* Performs esc_url() for database usage. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $url The URL to be cleaned. |
|
* @param array $protocols An array of acceptable protocols. |
|
* @return string The cleaned URL. |
|
*/ |
|
function esc_url_raw( $url, $protocols = null ) { |
|
return esc_url( $url, $protocols, 'db' ); |
|
} |
|
|
|
/** |
|
* Convert entities, while preserving already-encoded entities. |
|
* |
|
* @link https://secure.php.net/htmlentities Borrowed from the PHP Manual user notes. |
|
* |
|
* @since 1.2.2 |
|
* |
|
* @param string $myHTML The text to be converted. |
|
* @return string Converted text. |
|
*/ |
|
function htmlentities2( $myHTML ) { |
|
$translation_table = get_html_translation_table( HTML_ENTITIES, ENT_QUOTES ); |
|
$translation_table[chr(38)] = '&'; |
|
return preg_replace( "/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/", "&", strtr($myHTML, $translation_table) ); |
|
} |
|
|
|
/** |
|
* Escape single quotes, htmlspecialchar " < > &, and fix line endings. |
|
* |
|
* Escapes text strings for echoing in JS. It is intended to be used for inline JS |
|
* (in a tag attribute, for example onclick="..."). Note that the strings have to |
|
* be in single quotes. The {@see 'js_escape'} filter is also applied here. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $text The text to be escaped. |
|
* @return string Escaped text. |
|
*/ |
|
function esc_js( $text ) { |
|
$safe_text = wp_check_invalid_utf8( $text ); |
|
$safe_text = _wp_specialchars( $safe_text, ENT_COMPAT ); |
|
$safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) ); |
|
$safe_text = str_replace( "\r", '', $safe_text ); |
|
$safe_text = str_replace( "\n", '\\n', addslashes( $safe_text ) ); |
|
/** |
|
* Filters a string cleaned and escaped for output in JavaScript. |
|
* |
|
* Text passed to esc_js() is stripped of invalid or special characters, |
|
* and properly slashed for output. |
|
* |
|
* @since 2.0.6 |
|
* |
|
* @param string $safe_text The text after it has been escaped. |
|
* @param string $text The text prior to being escaped. |
|
*/ |
|
return apply_filters( 'js_escape', $safe_text, $text ); |
|
} |
|
|
|
/** |
|
* Escaping for HTML blocks. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $text |
|
* @return string |
|
*/ |
|
function esc_html( $text ) { |
|
$safe_text = wp_check_invalid_utf8( $text ); |
|
$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES ); |
|
/** |
|
* Filters a string cleaned and escaped for output in HTML. |
|
* |
|
* Text passed to esc_html() is stripped of invalid or special characters |
|
* before output. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $safe_text The text after it has been escaped. |
|
* @param string $text The text prior to being escaped. |
|
*/ |
|
return apply_filters( 'esc_html', $safe_text, $text ); |
|
} |
|
|
|
/** |
|
* Escaping for HTML attributes. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $text |
|
* @return string |
|
*/ |
|
function esc_attr( $text ) { |
|
$safe_text = wp_check_invalid_utf8( $text ); |
|
$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES ); |
|
/** |
|
* Filters a string cleaned and escaped for output in an HTML attribute. |
|
* |
|
* Text passed to esc_attr() is stripped of invalid or special characters |
|
* before output. |
|
* |
|
* @since 2.0.6 |
|
* |
|
* @param string $safe_text The text after it has been escaped. |
|
* @param string $text The text prior to being escaped. |
|
*/ |
|
return apply_filters( 'attribute_escape', $safe_text, $text ); |
|
} |
|
|
|
/** |
|
* Escaping for textarea values. |
|
* |
|
* @since 3.1.0 |
|
* |
|
* @param string $text |
|
* @return string |
|
*/ |
|
function esc_textarea( $text ) { |
|
$safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
|
/** |
|
* Filters a string cleaned and escaped for output in a textarea element. |
|
* |
|
* @since 3.1.0 |
|
* |
|
* @param string $safe_text The text after it has been escaped. |
|
* @param string $text The text prior to being escaped. |
|
*/ |
|
return apply_filters( 'esc_textarea', $safe_text, $text ); |
|
} |
|
|
|
/** |
|
* Escape an HTML tag name. |
|
* |
|
* @since 2.5.0 |
|
* |
|
* @param string $tag_name |
|
* @return string |
|
*/ |
|
function tag_escape( $tag_name ) { |
|
$safe_tag = strtolower( preg_replace('/[^a-zA-Z0-9_:]/', '', $tag_name) ); |
|
/** |
|
* Filters a string cleaned and escaped for output as an HTML tag. |
|
* |
|
* @since 2.8.0 |
|
* |
|
* @param string $safe_tag The tag name after it has been escaped. |
|
* @param string $tag_name The text before it was escaped. |
|
*/ |
|
return apply_filters( 'tag_escape', $safe_tag, $tag_name ); |
|
} |
|
|
|
/** |
|
* Convert full URL paths to absolute paths. |
|
* |
|
* Removes the http or https protocols and the domain. Keeps the path '/' at the |
|
* beginning, so it isn't a true relative link, but from the web root base. |
|
* |
|
* @since 2.1.0 |
|
* @since 4.1.0 Support was added for relative URLs. |
|
* |
|
* @param string $link Full URL path. |
|
* @return string Absolute path. |
|
*/ |
|
function wp_make_link_relative( $link ) { |
|
return preg_replace( '|^(https?:)?//[^/]+(/?.*)|i', '$2', $link ); |
|
} |
|
|
|
/** |
|
* Sanitises various option values based on the nature of the option. |
|
* |
|
* This is basically a switch statement which will pass $value through a number |
|
* of functions depending on the $option. |
|
* |
|
* @since 2.0.5 |
|
* |
|
* @global wpdb $wpdb WordPress database abstraction object. |
|
* |
|
* @param string $option The name of the option. |
|
* @param string $value The unsanitised value. |
|
* @return string Sanitized value. |
|
*/ |
|
function sanitize_option( $option, $value ) { |
|
global $wpdb; |
|
|
|
$original_value = $value; |
|
$error = ''; |
|
|
|
switch ( $option ) { |
|
case 'admin_email' : |
|
case 'new_admin_email' : |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
$value = sanitize_email( $value ); |
|
if ( ! is_email( $value ) ) { |
|
$error = __( 'The email address entered did not appear to be a valid email address. Please enter a valid email address.' ); |
|
} |
|
} |
|
break; |
|
|
|
case 'thumbnail_size_w': |
|
case 'thumbnail_size_h': |
|
case 'medium_size_w': |
|
case 'medium_size_h': |
|
case 'medium_large_size_w': |
|
case 'medium_large_size_h': |
|
case 'large_size_w': |
|
case 'large_size_h': |
|
case 'mailserver_port': |
|
case 'comment_max_links': |
|
case 'page_on_front': |
|
case 'page_for_posts': |
|
case 'rss_excerpt_length': |
|
case 'default_category': |
|
case 'default_email_category': |
|
case 'default_link_category': |
|
case 'close_comments_days_old': |
|
case 'comments_per_page': |
|
case 'thread_comments_depth': |
|
case 'users_can_register': |
|
case 'start_of_week': |
|
case 'site_icon': |
|
$value = absint( $value ); |
|
break; |
|
|
|
case 'posts_per_page': |
|
case 'posts_per_rss': |
|
$value = (int) $value; |
|
if ( empty($value) ) |
|
$value = 1; |
|
if ( $value < -1 ) |
|
$value = abs($value); |
|
break; |
|
|
|
case 'default_ping_status': |
|
case 'default_comment_status': |
|
// Options that if not there have 0 value but need to be something like "closed" |
|
if ( $value == '0' || $value == '') |
|
$value = 'closed'; |
|
break; |
|
|
|
case 'blogdescription': |
|
case 'blogname': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( $value !== $original_value ) { |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', wp_encode_emoji( $original_value ) ); |
|
} |
|
|
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
$value = esc_html( $value ); |
|
} |
|
break; |
|
|
|
case 'blog_charset': |
|
$value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes |
|
break; |
|
|
|
case 'blog_public': |
|
// This is the value if the settings checkbox is not checked on POST. Don't rely on this. |
|
if ( null === $value ) |
|
$value = 1; |
|
else |
|
$value = intval( $value ); |
|
break; |
|
|
|
case 'date_format': |
|
case 'time_format': |
|
case 'mailserver_url': |
|
case 'mailserver_login': |
|
case 'mailserver_pass': |
|
case 'upload_path': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
$value = strip_tags( $value ); |
|
$value = wp_kses_data( $value ); |
|
} |
|
break; |
|
|
|
case 'ping_sites': |
|
$value = explode( "\n", $value ); |
|
$value = array_filter( array_map( 'trim', $value ) ); |
|
$value = array_filter( array_map( 'esc_url_raw', $value ) ); |
|
$value = implode( "\n", $value ); |
|
break; |
|
|
|
case 'gmt_offset': |
|
$value = preg_replace('/[^0-9:.-]/', '', $value); // strips slashes |
|
break; |
|
|
|
case 'siteurl': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
if ( preg_match( '#http(s?)://(.+)#i', $value ) ) { |
|
$value = esc_url_raw( $value ); |
|
} else { |
|
$error = __( 'The WordPress address you entered did not appear to be a valid URL. Please enter a valid URL.' ); |
|
} |
|
} |
|
break; |
|
|
|
case 'home': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
if ( preg_match( '#http(s?)://(.+)#i', $value ) ) { |
|
$value = esc_url_raw( $value ); |
|
} else { |
|
$error = __( 'The Site address you entered did not appear to be a valid URL. Please enter a valid URL.' ); |
|
} |
|
} |
|
break; |
|
|
|
case 'WPLANG': |
|
$allowed = get_available_languages(); |
|
if ( ! is_multisite() && defined( 'WPLANG' ) && '' !== WPLANG && 'en_US' !== WPLANG ) { |
|
$allowed[] = WPLANG; |
|
} |
|
if ( ! in_array( $value, $allowed ) && ! empty( $value ) ) { |
|
$value = get_option( $option ); |
|
} |
|
break; |
|
|
|
case 'illegal_names': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
if ( ! is_array( $value ) ) |
|
$value = explode( ' ', $value ); |
|
|
|
$value = array_values( array_filter( array_map( 'trim', $value ) ) ); |
|
|
|
if ( ! $value ) |
|
$value = ''; |
|
} |
|
break; |
|
|
|
case 'limited_email_domains': |
|
case 'banned_email_domains': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
if ( ! is_array( $value ) ) |
|
$value = explode( "\n", $value ); |
|
|
|
$domains = array_values( array_filter( array_map( 'trim', $value ) ) ); |
|
$value = array(); |
|
|
|
foreach ( $domains as $domain ) { |
|
if ( ! preg_match( '/(--|\.\.)/', $domain ) && preg_match( '|^([a-zA-Z0-9-\.])+$|', $domain ) ) { |
|
$value[] = $domain; |
|
} |
|
} |
|
if ( ! $value ) |
|
$value = ''; |
|
} |
|
break; |
|
|
|
case 'timezone_string': |
|
$allowed_zones = timezone_identifiers_list(); |
|
if ( ! in_array( $value, $allowed_zones ) && ! empty( $value ) ) { |
|
$error = __( 'The timezone you have entered is not valid. Please select a valid timezone.' ); |
|
} |
|
break; |
|
|
|
case 'permalink_structure': |
|
case 'category_base': |
|
case 'tag_base': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
$value = esc_url_raw( $value ); |
|
$value = str_replace( 'http://', '', $value ); |
|
} |
|
|
|
if ( 'permalink_structure' === $option && '' !== $value && ! preg_match( '/%[^\/%]+%/', $value ) ) { |
|
$error = sprintf( |
|
/* translators: %s: Codex URL */ |
|
__( 'A structure tag is required when using custom permalinks. <a href="%s">Learn more</a>' ), |
|
__( 'https://codex.wordpress.org/Using_Permalinks#Choosing_your_permalink_structure' ) |
|
); |
|
} |
|
break; |
|
|
|
case 'default_role' : |
|
if ( ! get_role( $value ) && get_role( 'subscriber' ) ) |
|
$value = 'subscriber'; |
|
break; |
|
|
|
case 'moderation_keys': |
|
case 'blacklist_keys': |
|
$value = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $value ); |
|
if ( is_wp_error( $value ) ) { |
|
$error = $value->get_error_message(); |
|
} else { |
|
$value = explode( "\n", $value ); |
|
$value = array_filter( array_map( 'trim', $value ) ); |
|
$value = array_unique( $value ); |
|
$value = implode( "\n", $value ); |
|
} |
|
break; |
|
} |
|
|
|
if ( ! empty( $error ) ) { |
|
$value = get_option( $option ); |
|
if ( function_exists( 'add_settings_error' ) ) { |
|
add_settings_error( $option, "invalid_{$option}", $error ); |
|
} |
|
} |
|
|
|
/** |
|
* Filters an option value following sanitization. |
|
* |
|
* @since 2.3.0 |
|
* @since 4.3.0 Added the `$original_value` parameter. |
|
* |
|
* @param string $value The sanitized option value. |
|
* @param string $option The option name. |
|
* @param string $original_value The original value passed to the function. |
|
*/ |
|
return apply_filters( "sanitize_option_{$option}", $value, $option, $original_value ); |
|
} |
|
|
|
/** |
|
* Maps a function to all non-iterable elements of an array or an object. |
|
* |
|
* This is similar to `array_walk_recursive()` but acts upon objects too. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @param mixed $value The array, object, or scalar. |
|
* @param callable $callback The function to map onto $value. |
|
* @return mixed The value with the callback applied to all non-arrays and non-objects inside it. |
|
*/ |
|
function map_deep( $value, $callback ) { |
|
if ( is_array( $value ) ) { |
|
foreach ( $value as $index => $item ) { |
|
$value[ $index ] = map_deep( $item, $callback ); |
|
} |
|
} elseif ( is_object( $value ) ) { |
|
$object_vars = get_object_vars( $value ); |
|
foreach ( $object_vars as $property_name => $property_value ) { |
|
$value->$property_name = map_deep( $property_value, $callback ); |
|
} |
|
} else { |
|
$value = call_user_func( $callback, $value ); |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Parses a string into variables to be stored in an array. |
|
* |
|
* Uses {@link https://secure.php.net/parse_str parse_str()} and stripslashes if |
|
* {@link https://secure.php.net/magic_quotes magic_quotes_gpc} is on. |
|
* |
|
* @since 2.2.1 |
|
* |
|
* @param string $string The string to be parsed. |
|
* @param array $array Variables will be stored in this array. |
|
*/ |
|
function wp_parse_str( $string, &$array ) { |
|
parse_str( $string, $array ); |
|
if ( get_magic_quotes_gpc() ) |
|
$array = stripslashes_deep( $array ); |
|
/** |
|
* Filters the array of variables derived from a parsed string. |
|
* |
|
* @since 2.3.0 |
|
* |
|
* @param array $array The array populated with variables. |
|
*/ |
|
$array = apply_filters( 'wp_parse_str', $array ); |
|
} |
|
|
|
/** |
|
* Convert lone less than signs. |
|
* |
|
* KSES already converts lone greater than signs. |
|
* |
|
* @since 2.3.0 |
|
* |
|
* @param string $text Text to be converted. |
|
* @return string Converted text. |
|
*/ |
|
function wp_pre_kses_less_than( $text ) { |
|
return preg_replace_callback('%<[^>]*?((?=<)|>|$)%', 'wp_pre_kses_less_than_callback', $text); |
|
} |
|
|
|
/** |
|
* Callback function used by preg_replace. |
|
* |
|
* @since 2.3.0 |
|
* |
|
* @param array $matches Populated by matches to preg_replace. |
|
* @return string The text returned after esc_html if needed. |
|
*/ |
|
function wp_pre_kses_less_than_callback( $matches ) { |
|
if ( false === strpos($matches[0], '>') ) |
|
return esc_html($matches[0]); |
|
return $matches[0]; |
|
} |
|
|
|
/** |
|
* WordPress implementation of PHP sprintf() with filters. |
|
* |
|
* @since 2.5.0 |
|
* @link https://secure.php.net/sprintf |
|
* |
|
* @param string $pattern The string which formatted args are inserted. |
|
* @param mixed $args ,... Arguments to be formatted into the $pattern string. |
|
* @return string The formatted string. |
|
*/ |
|
function wp_sprintf( $pattern ) { |
|
$args = func_get_args(); |
|
$len = strlen($pattern); |
|
$start = 0; |
|
$result = ''; |
|
$arg_index = 0; |
|
while ( $len > $start ) { |
|
// Last character: append and break |
|
if ( strlen($pattern) - 1 == $start ) { |
|
$result .= substr($pattern, -1); |
|
break; |
|
} |
|
|
|
// Literal %: append and continue |
|
if ( substr($pattern, $start, 2) == '%%' ) { |
|
$start += 2; |
|
$result .= '%'; |
|
continue; |
|
} |
|
|
|
// Get fragment before next % |
|
$end = strpos($pattern, '%', $start + 1); |
|
if ( false === $end ) |
|
$end = $len; |
|
$fragment = substr($pattern, $start, $end - $start); |
|
|
|
// Fragment has a specifier |
|
if ( $pattern[$start] == '%' ) { |
|
// Find numbered arguments or take the next one in order |
|
if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) { |
|
$arg = isset($args[$matches[1]]) ? $args[$matches[1]] : ''; |
|
$fragment = str_replace("%{$matches[1]}$", '%', $fragment); |
|
} else { |
|
++$arg_index; |
|
$arg = isset($args[$arg_index]) ? $args[$arg_index] : ''; |
|
} |
|
|
|
/** |
|
* Filters a fragment from the pattern passed to wp_sprintf(). |
|
* |
|
* If the fragment is unchanged, then sprintf() will be run on the fragment. |
|
* |
|
* @since 2.5.0 |
|
* |
|
* @param string $fragment A fragment from the pattern. |
|
* @param string $arg The argument. |
|
*/ |
|
$_fragment = apply_filters( 'wp_sprintf', $fragment, $arg ); |
|
if ( $_fragment != $fragment ) |
|
$fragment = $_fragment; |
|
else |
|
$fragment = sprintf($fragment, strval($arg) ); |
|
} |
|
|
|
// Append to result and move to next fragment |
|
$result .= $fragment; |
|
$start = $end; |
|
} |
|
return $result; |
|
} |
|
|
|
/** |
|
* Localize list items before the rest of the content. |
|
* |
|
* The '%l' must be at the first characters can then contain the rest of the |
|
* content. The list items will have ', ', ', and', and ' and ' added depending |
|
* on the amount of list items in the $args parameter. |
|
* |
|
* @since 2.5.0 |
|
* |
|
* @param string $pattern Content containing '%l' at the beginning. |
|
* @param array $args List items to prepend to the content and replace '%l'. |
|
* @return string Localized list items and rest of the content. |
|
*/ |
|
function wp_sprintf_l( $pattern, $args ) { |
|
// Not a match |
|
if ( substr($pattern, 0, 2) != '%l' ) |
|
return $pattern; |
|
|
|
// Nothing to work with |
|
if ( empty($args) ) |
|
return ''; |
|
|
|
/** |
|
* Filters the translated delimiters used by wp_sprintf_l(). |
|
* Placeholders (%s) are included to assist translators and then |
|
* removed before the array of strings reaches the filter. |
|
* |
|
* Please note: Ampersands and entities should be avoided here. |
|
* |
|
* @since 2.5.0 |
|
* |
|
* @param array $delimiters An array of translated delimiters. |
|
*/ |
|
$l = apply_filters( 'wp_sprintf_l', array( |
|
/* translators: used to join items in a list with more than 2 items */ |
|
'between' => sprintf( __('%s, %s'), '', '' ), |
|
/* translators: used to join last two items in a list with more than 2 times */ |
|
'between_last_two' => sprintf( __('%s, and %s'), '', '' ), |
|
/* translators: used to join items in a list with only 2 items */ |
|
'between_only_two' => sprintf( __('%s and %s'), '', '' ), |
|
) ); |
|
|
|
$args = (array) $args; |
|
$result = array_shift($args); |
|
if ( count($args) == 1 ) |
|
$result .= $l['between_only_two'] . array_shift($args); |
|
// Loop when more than two args |
|
$i = count($args); |
|
while ( $i ) { |
|
$arg = array_shift($args); |
|
$i--; |
|
if ( 0 == $i ) |
|
$result .= $l['between_last_two'] . $arg; |
|
else |
|
$result .= $l['between'] . $arg; |
|
} |
|
return $result . substr($pattern, 2); |
|
} |
|
|
|
/** |
|
* Safely extracts not more than the first $count characters from html string. |
|
* |
|
* UTF-8, tags and entities safe prefix extraction. Entities inside will *NOT* |
|
* be counted as one character. For example & will be counted as 4, < as |
|
* 3, etc. |
|
* |
|
* @since 2.5.0 |
|
* |
|
* @param string $str String to get the excerpt from. |
|
* @param int $count Maximum number of characters to take. |
|
* @param string $more Optional. What to append if $str needs to be trimmed. Defaults to empty string. |
|
* @return string The excerpt. |
|
*/ |
|
function wp_html_excerpt( $str, $count, $more = null ) { |
|
if ( null === $more ) |
|
$more = ''; |
|
$str = wp_strip_all_tags( $str, true ); |
|
$excerpt = mb_substr( $str, 0, $count ); |
|
// remove part of an entity at the end |
|
$excerpt = preg_replace( '/&[^;\s]{0,6}$/', '', $excerpt ); |
|
if ( $str != $excerpt ) |
|
$excerpt = trim( $excerpt ) . $more; |
|
return $excerpt; |
|
} |
|
|
|
/** |
|
* Add a Base url to relative links in passed content. |
|
* |
|
* By default it supports the 'src' and 'href' attributes. However this can be |
|
* changed via the 3rd param. |
|
* |
|
* @since 2.7.0 |
|
* |
|
* @global string $_links_add_base |
|
* |
|
* @param string $content String to search for links in. |
|
* @param string $base The base URL to prefix to links. |
|
* @param array $attrs The attributes which should be processed. |
|
* @return string The processed content. |
|
*/ |
|
function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) { |
|
global $_links_add_base; |
|
$_links_add_base = $base; |
|
$attrs = implode('|', (array)$attrs); |
|
return preg_replace_callback( "!($attrs)=(['\"])(.+?)\\2!i", '_links_add_base', $content ); |
|
} |
|
|
|
/** |
|
* Callback to add a base url to relative links in passed content. |
|
* |
|
* @since 2.7.0 |
|
* @access private |
|
* |
|
* @global string $_links_add_base |
|
* |
|
* @param string $m The matched link. |
|
* @return string The processed link. |
|
*/ |
|
function _links_add_base( $m ) { |
|
global $_links_add_base; |
|
//1 = attribute name 2 = quotation mark 3 = URL |
|
return $m[1] . '=' . $m[2] . |
|
( preg_match( '#^(\w{1,20}):#', $m[3], $protocol ) && in_array( $protocol[1], wp_allowed_protocols() ) ? |
|
$m[3] : |
|
WP_Http::make_absolute_url( $m[3], $_links_add_base ) |
|
) |
|
. $m[2]; |
|
} |
|
|
|
/** |
|
* Adds a Target attribute to all links in passed content. |
|
* |
|
* This function by default only applies to `<a>` tags, however this can be |
|
* modified by the 3rd param. |
|
* |
|
* *NOTE:* Any current target attributed will be stripped and replaced. |
|
* |
|
* @since 2.7.0 |
|
* |
|
* @global string $_links_add_target |
|
* |
|
* @param string $content String to search for links in. |
|
* @param string $target The Target to add to the links. |
|
* @param array $tags An array of tags to apply to. |
|
* @return string The processed content. |
|
*/ |
|
function links_add_target( $content, $target = '_blank', $tags = array('a') ) { |
|
global $_links_add_target; |
|
$_links_add_target = $target; |
|
$tags = implode('|', (array)$tags); |
|
return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content ); |
|
} |
|
|
|
/** |
|
* Callback to add a target attribute to all links in passed content. |
|
* |
|
* @since 2.7.0 |
|
* @access private |
|
* |
|
* @global string $_links_add_target |
|
* |
|
* @param string $m The matched link. |
|
* @return string The processed link. |
|
*/ |
|
function _links_add_target( $m ) { |
|
global $_links_add_target; |
|
$tag = $m[1]; |
|
$link = preg_replace('|( target=([\'"])(.*?)\2)|i', '', $m[2]); |
|
return '<' . $tag . $link . ' target="' . esc_attr( $_links_add_target ) . '">'; |
|
} |
|
|
|
/** |
|
* Normalize EOL characters and strip duplicate whitespace. |
|
* |
|
* @since 2.7.0 |
|
* |
|
* @param string $str The string to normalize. |
|
* @return string The normalized string. |
|
*/ |
|
function normalize_whitespace( $str ) { |
|
$str = trim( $str ); |
|
$str = str_replace( "\r", "\n", $str ); |
|
$str = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str ); |
|
return $str; |
|
} |
|
|
|
/** |
|
* Properly strip all HTML tags including script and style |
|
* |
|
* This differs from strip_tags() because it removes the contents of |
|
* the `<script>` and `<style>` tags. E.g. `strip_tags( '<script>something</script>' )` |
|
* will return 'something'. wp_strip_all_tags will return '' |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @param string $string String containing HTML tags |
|
* @param bool $remove_breaks Optional. Whether to remove left over line breaks and white space chars |
|
* @return string The processed string. |
|
*/ |
|
function wp_strip_all_tags($string, $remove_breaks = false) { |
|
$string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string ); |
|
$string = strip_tags($string); |
|
|
|
if ( $remove_breaks ) |
|
$string = preg_replace('/[\r\n\t ]+/', ' ', $string); |
|
|
|
return trim( $string ); |
|
} |
|
|
|
/** |
|
* Sanitizes a string from user input or from the database. |
|
* |
|
* - Checks for invalid UTF-8, |
|
* - Converts single `<` characters to entities |
|
* - Strips all tags |
|
* - Removes line breaks, tabs, and extra whitespace |
|
* - Strips octets |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @see sanitize_textarea_field() |
|
* @see wp_check_invalid_utf8() |
|
* @see wp_strip_all_tags() |
|
* |
|
* @param string $str String to sanitize. |
|
* @return string Sanitized string. |
|
*/ |
|
function sanitize_text_field( $str ) { |
|
$filtered = _sanitize_text_fields( $str, false ); |
|
|
|
/** |
|
* Filters a sanitized text field string. |
|
* |
|
* @since 2.9.0 |
|
* |
|
* @param string $filtered The sanitized string. |
|
* @param string $str The string prior to being sanitized. |
|
*/ |
|
return apply_filters( 'sanitize_text_field', $filtered, $str ); |
|
} |
|
|
|
/** |
|
* Sanitizes a multiline string from user input or from the database. |
|
* |
|
* The function is like sanitize_text_field(), but preserves |
|
* new lines (\n) and other whitespace, which are legitimate |
|
* input in textarea elements. |
|
* |
|
* @see sanitize_text_field() |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @param string $str String to sanitize. |
|
* @return string Sanitized string. |
|
*/ |
|
function sanitize_textarea_field( $str ) { |
|
$filtered = _sanitize_text_fields( $str, true ); |
|
|
|
/** |
|
* Filters a sanitized textarea field string. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @param string $filtered The sanitized string. |
|
* @param string $str The string prior to being sanitized. |
|
*/ |
|
return apply_filters( 'sanitize_textarea_field', $filtered, $str ); |
|
} |
|
|
|
/** |
|
* Internal helper function to sanitize a string from user input or from the db |
|
* |
|
* @since 4.7.0 |
|
* @access private |
|
* |
|
* @param string $str String to sanitize. |
|
* @param bool $keep_newlines optional Whether to keep newlines. Default: false. |
|
* @return string Sanitized string. |
|
*/ |
|
function _sanitize_text_fields( $str, $keep_newlines = false ) { |
|
$filtered = wp_check_invalid_utf8( $str ); |
|
|
|
if ( strpos($filtered, '<') !== false ) { |
|
$filtered = wp_pre_kses_less_than( $filtered ); |
|
// This will strip extra whitespace for us. |
|
$filtered = wp_strip_all_tags( $filtered, false ); |
|
|
|
// Use html entities in a special case to make sure no later |
|
// newline stripping stage could lead to a functional tag |
|
$filtered = str_replace("<\n", "<\n", $filtered); |
|
} |
|
|
|
if ( ! $keep_newlines ) { |
|
$filtered = preg_replace( '/[\r\n\t ]+/', ' ', $filtered ); |
|
} |
|
$filtered = trim( $filtered ); |
|
|
|
$found = false; |
|
while ( preg_match('/%[a-f0-9]{2}/i', $filtered, $match) ) { |
|
$filtered = str_replace($match[0], '', $filtered); |
|
$found = true; |
|
} |
|
|
|
if ( $found ) { |
|
// Strip out the whitespace that may now exist after removing the octets. |
|
$filtered = trim( preg_replace('/ +/', ' ', $filtered) ); |
|
} |
|
|
|
return $filtered; |
|
} |
|
|
|
/** |
|
* i18n friendly version of basename() |
|
* |
|
* @since 3.1.0 |
|
* |
|
* @param string $path A path. |
|
* @param string $suffix If the filename ends in suffix this will also be cut off. |
|
* @return string |
|
*/ |
|
function wp_basename( $path, $suffix = '' ) { |
|
return urldecode( basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) ); |
|
} |
|
|
|
/** |
|
* Forever eliminate "Wordpress" from the planet (or at least the little bit we can influence). |
|
* |
|
* Violating our coding standards for a good function name. |
|
* |
|
* @since 3.0.0 |
|
* |
|
* @staticvar string|false $dblq |
|
* |
|
* @param string $text The text to be modified. |
|
* @return string The modified text. |
|
*/ |
|
function capital_P_dangit( $text ) { |
|
// Simple replacement for titles |
|
$current_filter = current_filter(); |
|
if ( 'the_title' === $current_filter || 'wp_title' === $current_filter ) |
|
return str_replace( 'Wordpress', 'WordPress', $text ); |
|
// Still here? Use the more judicious replacement |
|
static $dblq = false; |
|
if ( false === $dblq ) { |
|
$dblq = _x( '“', 'opening curly double quote' ); |
|
} |
|
return str_replace( |
|
array( ' Wordpress', '‘Wordpress', $dblq . 'Wordpress', '>Wordpress', '(Wordpress' ), |
|
array( ' WordPress', '‘WordPress', $dblq . 'WordPress', '>WordPress', '(WordPress' ), |
|
$text ); |
|
} |
|
|
|
/** |
|
* Sanitize a mime type |
|
* |
|
* @since 3.1.3 |
|
* |
|
* @param string $mime_type Mime type |
|
* @return string Sanitized mime type |
|
*/ |
|
function sanitize_mime_type( $mime_type ) { |
|
$sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type ); |
|
/** |
|
* Filters a mime type following sanitization. |
|
* |
|
* @since 3.1.3 |
|
* |
|
* @param string $sani_mime_type The sanitized mime type. |
|
* @param string $mime_type The mime type prior to sanitization. |
|
*/ |
|
return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type ); |
|
} |
|
|
|
/** |
|
* Sanitize space or carriage return separated URLs that are used to send trackbacks. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $to_ping Space or carriage return separated URLs |
|
* @return string URLs starting with the http or https protocol, separated by a carriage return. |
|
*/ |
|
function sanitize_trackback_urls( $to_ping ) { |
|
$urls_to_ping = preg_split( '/[\r\n\t ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY ); |
|
foreach ( $urls_to_ping as $k => $url ) { |
|
if ( !preg_match( '#^https?://.#i', $url ) ) |
|
unset( $urls_to_ping[$k] ); |
|
} |
|
$urls_to_ping = array_map( 'esc_url_raw', $urls_to_ping ); |
|
$urls_to_ping = implode( "\n", $urls_to_ping ); |
|
/** |
|
* Filters a list of trackback URLs following sanitization. |
|
* |
|
* The string returned here consists of a space or carriage return-delimited list |
|
* of trackback URLs. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $urls_to_ping Sanitized space or carriage return separated URLs. |
|
* @param string $to_ping Space or carriage return separated URLs before sanitization. |
|
*/ |
|
return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping ); |
|
} |
|
|
|
/** |
|
* Add slashes to a string or array of strings. |
|
* |
|
* This should be used when preparing data for core API that expects slashed data. |
|
* This should not be used to escape data going directly into an SQL query. |
|
* |
|
* @since 3.6.0 |
|
* |
|
* @param string|array $value String or array of strings to slash. |
|
* @return string|array Slashed $value |
|
*/ |
|
function wp_slash( $value ) { |
|
if ( is_array( $value ) ) { |
|
foreach ( $value as $k => $v ) { |
|
if ( is_array( $v ) ) { |
|
$value[$k] = wp_slash( $v ); |
|
} else { |
|
$value[$k] = addslashes( $v ); |
|
} |
|
} |
|
} else { |
|
$value = addslashes( $value ); |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Remove slashes from a string or array of strings. |
|
* |
|
* This should be used to remove slashes from data passed to core API that |
|
* expects data to be unslashed. |
|
* |
|
* @since 3.6.0 |
|
* |
|
* @param string|array $value String or array of strings to unslash. |
|
* @return string|array Unslashed $value |
|
*/ |
|
function wp_unslash( $value ) { |
|
return stripslashes_deep( $value ); |
|
} |
|
|
|
/** |
|
* Extract and return the first URL from passed content. |
|
* |
|
* @since 3.6.0 |
|
* |
|
* @param string $content A string which might contain a URL. |
|
* @return string|false The found URL. |
|
*/ |
|
function get_url_in_content( $content ) { |
|
if ( empty( $content ) ) { |
|
return false; |
|
} |
|
|
|
if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) { |
|
return esc_url_raw( $matches[2] ); |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/** |
|
* Returns the regexp for common whitespace characters. |
|
* |
|
* By default, spaces include new lines, tabs, nbsp entities, and the UTF-8 nbsp. |
|
* This is designed to replace the PCRE \s sequence. In ticket #22692, that |
|
* sequence was found to be unreliable due to random inclusion of the A0 byte. |
|
* |
|
* @since 4.0.0 |
|
* |
|
* @staticvar string $spaces |
|
* |
|
* @return string The spaces regexp. |
|
*/ |
|
function wp_spaces_regexp() { |
|
static $spaces = ''; |
|
|
|
if ( empty( $spaces ) ) { |
|
/** |
|
* Filters the regexp for common whitespace characters. |
|
* |
|
* This string is substituted for the \s sequence as needed in regular |
|
* expressions. For websites not written in English, different characters |
|
* may represent whitespace. For websites not encoded in UTF-8, the 0xC2 0xA0 |
|
* sequence may not be in use. |
|
* |
|
* @since 4.0.0 |
|
* |
|
* @param string $spaces Regexp pattern for matching common whitespace characters. |
|
*/ |
|
$spaces = apply_filters( 'wp_spaces_regexp', '[\r\n\t ]|\xC2\xA0| ' ); |
|
} |
|
|
|
return $spaces; |
|
} |
|
|
|
/** |
|
* Print the important emoji-related styles. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @staticvar bool $printed |
|
*/ |
|
function print_emoji_styles() { |
|
static $printed = false; |
|
|
|
if ( $printed ) { |
|
return; |
|
} |
|
|
|
$printed = true; |
|
?> |
|
<style type="text/css"> |
|
img.wp-smiley, |
|
img.emoji { |
|
display: inline !important; |
|
border: none !important; |
|
box-shadow: none !important; |
|
height: 1em !important; |
|
width: 1em !important; |
|
margin: 0 .07em !important; |
|
vertical-align: -0.1em !important; |
|
background: none !important; |
|
padding: 0 !important; |
|
} |
|
</style> |
|
<?php |
|
} |
|
|
|
/** |
|
* Print the inline Emoji detection script if it is not already printed. |
|
* |
|
* @since 4.2.0 |
|
* @staticvar bool $printed |
|
*/ |
|
function print_emoji_detection_script() { |
|
static $printed = false; |
|
|
|
if ( $printed ) { |
|
return; |
|
} |
|
|
|
$printed = true; |
|
|
|
_print_emoji_detection_script(); |
|
} |
|
|
|
/** |
|
* Prints inline Emoji dection script |
|
* |
|
* @ignore |
|
* @since 4.6.0 |
|
* @access private |
|
*/ |
|
function _print_emoji_detection_script() { |
|
$settings = array( |
|
/** |
|
* Filters the URL where emoji png images are hosted. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param string The emoji base URL for png images. |
|
*/ |
|
'baseUrl' => apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' ), |
|
|
|
/** |
|
* Filters the extension of the emoji png files. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param string The emoji extension for png files. Default .png. |
|
*/ |
|
'ext' => apply_filters( 'emoji_ext', '.png' ), |
|
|
|
/** |
|
* Filters the URL where emoji SVG images are hosted. |
|
* |
|
* @since 4.6.0 |
|
* |
|
* @param string The emoji base URL for svg images. |
|
*/ |
|
'svgUrl' => apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/11/svg/' ), |
|
|
|
/** |
|
* Filters the extension of the emoji SVG files. |
|
* |
|
* @since 4.6.0 |
|
* |
|
* @param string The emoji extension for svg files. Default .svg. |
|
*/ |
|
'svgExt' => apply_filters( 'emoji_svg_ext', '.svg' ), |
|
); |
|
|
|
$version = 'ver=' . get_bloginfo( 'version' ); |
|
|
|
if ( SCRIPT_DEBUG ) { |
|
$settings['source'] = array( |
|
/** This filter is documented in wp-includes/class.wp-scripts.php */ |
|
'wpemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji.js?$version" ), 'wpemoji' ), |
|
/** This filter is documented in wp-includes/class.wp-scripts.php */ |
|
'twemoji' => apply_filters( 'script_loader_src', includes_url( "js/twemoji.js?$version" ), 'twemoji' ), |
|
); |
|
|
|
?> |
|
<script type="text/javascript"> |
|
window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>; |
|
<?php readfile( ABSPATH . WPINC . "/js/wp-emoji-loader.js" ); ?> |
|
</script> |
|
<?php |
|
} else { |
|
$settings['source'] = array( |
|
/** This filter is documented in wp-includes/class.wp-scripts.php */ |
|
'concatemoji' => apply_filters( 'script_loader_src', includes_url( "js/wp-emoji-release.min.js?$version" ), 'concatemoji' ), |
|
); |
|
|
|
/* |
|
* If you're looking at a src version of this file, you'll see an "include" |
|
* statement below. This is used by the `grunt build` process to directly |
|
* include a minified version of wp-emoji-loader.js, instead of using the |
|
* readfile() method from above. |
|
* |
|
* If you're looking at a build version of this file, you'll see a string of |
|
* minified JavaScript. If you need to debug it, please turn on SCRIPT_DEBUG |
|
* and edit wp-emoji-loader.js directly. |
|
*/ |
|
?> |
|
<script type="text/javascript"> |
|
window._wpemojiSettings = <?php echo wp_json_encode( $settings ); ?>; |
|
!function(a,b,c){function d(a,b){var c=String.fromCharCode;l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,a),0,0);var d=k.toDataURL();l.clearRect(0,0,k.width,k.height),l.fillText(c.apply(this,b),0,0);var e=k.toDataURL();return d===e}function e(a){var b;if(!l||!l.fillText)return!1;switch(l.textBaseline="top",l.font="600 32px Arial",a){case"flag":return!(b=d([55356,56826,55356,56819],[55356,56826,8203,55356,56819]))&&(b=d([55356,57332,56128,56423,56128,56418,56128,56421,56128,56430,56128,56423,56128,56447],[55356,57332,8203,56128,56423,8203,56128,56418,8203,56128,56421,8203,56128,56430,8203,56128,56423,8203,56128,56447]),!b);case"emoji":return b=d([55358,56760,9792,65039],[55358,56760,8203,9792,65039]),!b}return!1}function f(a){var c=b.createElement("script");c.src=a,c.defer=c.type="text/javascript",b.getElementsByTagName("head")[0].appendChild(c)}var g,h,i,j,k=b.createElement("canvas"),l=k.getContext&&k.getContext("2d");for(j=Array("flag","emoji"),c.supports={everything:!0,everythingExceptFlag:!0},i=0;i<j.length;i++)c.supports[j[i]]=e(j[i]),c.supports.everything=c.supports.everything&&c.supports[j[i]],"flag"!==j[i]&&(c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&c.supports[j[i]]);c.supports.everythingExceptFlag=c.supports.everythingExceptFlag&&!c.supports.flag,c.DOMReady=!1,c.readyCallback=function(){c.DOMReady=!0},c.supports.everything||(h=function(){c.readyCallback()},b.addEventListener?(b.addEventListener("DOMContentLoaded",h,!1),a.addEventListener("load",h,!1)):(a.attachEvent("onload",h),b.attachEvent("onreadystatechange",function(){"complete"===b.readyState&&c.readyCallback()})),g=c.source||{},g.concatemoji?f(g.concatemoji):g.wpemoji&&g.twemoji&&(f(g.twemoji),f(g.wpemoji)))}(window,document,window._wpemojiSettings); |
|
</script> |
|
<?php |
|
} |
|
} |
|
|
|
/** |
|
* Convert emoji characters to their equivalent HTML entity. |
|
* |
|
* This allows us to store emoji in a DB using the utf8 character set. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param string $content The content to encode. |
|
* @return string The encoded content. |
|
*/ |
|
function wp_encode_emoji( $content ) { |
|
$emoji = _wp_emoji_list( 'partials' ); |
|
|
|
foreach ( $emoji as $emojum ) { |
|
if ( version_compare( phpversion(), '5.4', '<' ) ) { |
|
$emoji_char = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' ); |
|
} else { |
|
$emoji_char = html_entity_decode( $emojum ); |
|
} |
|
if ( false !== strpos( $content, $emoji_char ) ) { |
|
$content = preg_replace( "/$emoji_char/", $emojum, $content ); |
|
} |
|
} |
|
|
|
return $content; |
|
} |
|
|
|
/** |
|
* Convert emoji to a static img element. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param string $text The content to encode. |
|
* @return string The encoded content. |
|
*/ |
|
function wp_staticize_emoji( $text ) { |
|
if ( false === strpos( $text, '&#x' ) ) { |
|
if ( ( function_exists( 'mb_check_encoding' ) && mb_check_encoding( $text, 'ASCII' ) ) || ! preg_match( '/[^\x00-\x7F]/', $text ) ) { |
|
// The text doesn't contain anything that might be emoji, so we can return early. |
|
return $text; |
|
} else { |
|
$encoded_text = wp_encode_emoji( $text ); |
|
if ( $encoded_text === $text ) { |
|
return $encoded_text; |
|
} |
|
|
|
$text = $encoded_text; |
|
} |
|
} |
|
|
|
$emoji = _wp_emoji_list( 'entities' ); |
|
|
|
// Quickly narrow down the list of emoji that might be in the text and need replacing. |
|
$possible_emoji = array(); |
|
foreach( $emoji as $emojum ) { |
|
if ( false !== strpos( $text, $emojum ) ) { |
|
if ( version_compare( phpversion(), '5.4', '<' ) ) { |
|
$possible_emoji[ $emojum ] = html_entity_decode( $emojum, ENT_COMPAT, 'UTF-8' ); |
|
} else { |
|
$possible_emoji[ $emojum ] = html_entity_decode( $emojum ); |
|
} |
|
} |
|
} |
|
|
|
if ( ! $possible_emoji ) { |
|
return $text; |
|
} |
|
|
|
/** This filter is documented in wp-includes/formatting.php */ |
|
$cdn_url = apply_filters( 'emoji_url', 'https://s.w.org/images/core/emoji/11/72x72/' ); |
|
|
|
/** This filter is documented in wp-includes/formatting.php */ |
|
$ext = apply_filters( 'emoji_ext', '.png' ); |
|
|
|
$output = ''; |
|
/* |
|
* HTML loop taken from smiley function, which was taken from texturize function. |
|
* It'll never be consolidated. |
|
* |
|
* First, capture the tags as well as in between. |
|
*/ |
|
$textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); |
|
$stop = count( $textarr ); |
|
|
|
// Ignore processing of specific tags. |
|
$tags_to_ignore = 'code|pre|style|script|textarea'; |
|
$ignore_block_element = ''; |
|
|
|
for ( $i = 0; $i < $stop; $i++ ) { |
|
$content = $textarr[$i]; |
|
|
|
// If we're in an ignore block, wait until we find its closing tag. |
|
if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) ) { |
|
$ignore_block_element = $matches[1]; |
|
} |
|
|
|
// If it's not a tag and not in ignore block. |
|
if ( '' == $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] && false !== strpos( $content, '&#x' ) ) { |
|
foreach ( $possible_emoji as $emojum => $emoji_char ) { |
|
if ( false === strpos( $content, $emojum ) ) { |
|
continue; |
|
} |
|
|
|
$file = str_replace( ';&#x', '-', $emojum ); |
|
$file = str_replace( array( '&#x', ';'), '', $file ); |
|
|
|
$entity = sprintf( '<img src="%s" alt="%s" class="wp-smiley" style="height: 1em; max-height: 1em;" />', $cdn_url . $file . $ext, $emoji_char ); |
|
|
|
$content = str_replace( $emojum, $entity, $content ); |
|
} |
|
} |
|
|
|
// Did we exit ignore block. |
|
if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content ) { |
|
$ignore_block_element = ''; |
|
} |
|
|
|
$output .= $content; |
|
} |
|
|
|
// Finally, remove any stray U+FE0F characters |
|
$output = str_replace( '️', '', $output ); |
|
|
|
return $output; |
|
} |
|
|
|
/** |
|
* Convert emoji in emails into static images. |
|
* |
|
* @since 4.2.0 |
|
* |
|
* @param array $mail The email data array. |
|
* @return array The email data array, with emoji in the message staticized. |
|
*/ |
|
function wp_staticize_emoji_for_email( $mail ) { |
|
if ( ! isset( $mail['message'] ) ) { |
|
return $mail; |
|
} |
|
|
|
/* |
|
* We can only transform the emoji into images if it's a text/html email. |
|
* To do that, here's a cut down version of the same process that happens |
|
* in wp_mail() - get the Content-Type from the headers, if there is one, |
|
* then pass it through the wp_mail_content_type filter, in case a plugin |
|
* is handling changing the Content-Type. |
|
*/ |
|
$headers = array(); |
|
if ( isset( $mail['headers'] ) ) { |
|
if ( is_array( $mail['headers'] ) ) { |
|
$headers = $mail['headers']; |
|
} else { |
|
$headers = explode( "\n", str_replace( "\r\n", "\n", $mail['headers'] ) ); |
|
} |
|
} |
|
|
|
foreach ( $headers as $header ) { |
|
if ( strpos($header, ':') === false ) { |
|
continue; |
|
} |
|
|
|
// Explode them out. |
|
list( $name, $content ) = explode( ':', trim( $header ), 2 ); |
|
|
|
// Cleanup crew. |
|
$name = trim( $name ); |
|
$content = trim( $content ); |
|
|
|
if ( 'content-type' === strtolower( $name ) ) { |
|
if ( strpos( $content, ';' ) !== false ) { |
|
list( $type, $charset ) = explode( ';', $content ); |
|
$content_type = trim( $type ); |
|
} else { |
|
$content_type = trim( $content ); |
|
} |
|
break; |
|
} |
|
} |
|
|
|
// Set Content-Type if we don't have a content-type from the input headers. |
|
if ( ! isset( $content_type ) ) { |
|
$content_type = 'text/plain'; |
|
} |
|
|
|
/** This filter is documented in wp-includes/pluggable.php */ |
|
$content_type = apply_filters( 'wp_mail_content_type', $content_type ); |
|
|
|
if ( 'text/html' === $content_type ) { |
|
$mail['message'] = wp_staticize_emoji( $mail['message'] ); |
|
} |
|
|
|
return $mail; |
|
} |
|
|
|
/** |
|
* Returns a arrays of emoji data. |
|
* |
|
* These arrays automatically built from the regex in twemoji.js - if they need to be updated, |
|
* you should update the regex there, then run the `grunt precommit:emoji` job. |
|
* |
|
* @since 4.9.0 |
|
* @access private |
|
* |
|
* @param string $type Optional. Which array type to return. Accepts 'partials' or 'entities', default 'entities'. |
|
* @return array An array to match all emoji that WordPress recognises. |
|
*/ |
|
function _wp_emoji_list( $type = 'entities' ) { |
|
// Do not remove the START/END comments - they're used to find where to insert the arrays. |
|
|
|
// START: emoji arrays |
|
$entities = 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|
|
$partials = array('🀄','🃏','🅰','🅱','🅾','🅿','🆎','🆑','🆒','🆓','🆔','🆕','🆖','🆗','🆘','🆙','🆚','🇦','🇨','🇩','🇪','🇫','🇬','🇮','🇱','🇲','🇴','🇶','🇷','🇸','🇹','🇺','🇼','🇽','🇿','🇧','🇭','🇯','🇳','🇻','🇾','🇰','🇵','🈁','🈂','🈚','🈯','🈲','🈳','🈴','🈵','🈶','🈷','🈸','🈹','🈺','🉐','🉑','🌀','🌁','🌂','🌃','🌄','🌅','🌆','🌇','🌈','🌉','🌊','🌋','🌌','🌍','🌎','🌏','🌐','🌑','🌒','🌓','🌔','🌕','🌖','🌗','🌘','🌙','🌚','🌛','🌜','🌝','🌞','🌟','🌠','🌡','🌤','🌥','🌦','🌧','🌨','🌩','🌪','🌫','🌬','🌭','🌮','🌯','🌰','🌱','🌲','🌳','🌴','🌵','🌶','🌷','🌸','🌹','🌺','🌻','🌼','🌽','🌾','🌿','🍀','🍁','🍂','🍃','🍄','🍅','🍆','🍇','🍈','🍉','🍊','🍋','🍌','🍍','🍎','🍏','🍐','🍑','🍒','🍓','🍔','🍕','🍖','🍗','🍘','🍙','🍚','🍛','🍜','🍝','🍞','🍟','🍠','🍡','🍢','🍣','🍤','🍥','🍦','🍧','🍨','🍩','🍪','🍫','🍬','🍭','🍮','🍯','🍰','🍱','🍲','🍳','🍴','🍵','🍶','🍷','🍸','🍹','🍺','🍻','🍼','🍽','🍾','🍿','🎀','🎁','🎂','🎃','🎄','🎅','🏻','🏼','🏽','🏾','🏿','🎆','🎇','🎈','🎉','🎊','🎋','🎌','🎍','🎎','🎏','🎐','🎑','🎒','🎓','🎖','🎗','🎙','🎚','🎛','🎞','🎟','🎠','🎡','🎢','🎣','🎤','🎥','🎦','🎧','🎨','🎩','🎪','🎫','🎬','🎭','🎮','🎯','🎰','🎱','🎲','🎳','🎴','🎵','🎶','🎷','🎸','🎹','🎺','🎻','🎼','🎽','🎾','🎿','🏀','🏁','🏂','🏃','‍','♀','️','♂','🏄','🏅','🏆','🏇','🏈','🏉','🏊','🏋','🏌','🏍','🏎','🏏','🏐','🏑','🏒','🏓','🏔','🏕','🏖','🏗','🏘','🏙','🏚','🏛','🏜','🏝','🏞','🏟','🏠','🏡','🏢','🏣','🏤','🏥','🏦','🏧','🏨','🏩','🏪','🏫','🏬','🏭','🏮','🏯','🏰','🏳','🏴','☠','󠁧','󠁢','󠁥','󠁮','󠁿','󠁳','󠁣','󠁴','󠁷','󠁬','🏵','🏷','🏸','🏹','🏺','🐀','🐁','🐂','🐃','🐄','🐅','🐆','🐇','🐈','🐉','🐊','🐋','🐌','🐍','🐎','🐏','🐐','🐑','🐒','🐓','🐔','🐕','🐖','🐗','🐘','🐙','🐚','🐛','🐜','🐝','🐞','🐟','🐠','🐡','🐢','🐣','🐤','🐥','🐦','🐧','🐨','🐩','🐪','🐫','🐬','🐭','🐮','🐯','🐰','🐱','🐲','🐳','🐴','🐵','🐶','🐷','🐸','🐹','🐺','🐻','🐼','🐽','🐾','🐿','👀','👁','🗨','👂','👃','👄','👅','👆','👇','👈','👉','👊','👋','👌','👍','👎','👏','👐','👑','👒','👓','👔','👕','👖','👗','👘','👙','👚','👛','👜','👝','👞','👟','👠','👡','👢','👣','👤','👥','👦','👧','👨','💻','💼','🔧','🔬','🚀','🚒','🦰','🦱','🦲','🦳','⚕','⚖','✈','👩','❤','💋','👪','👫','👬','👭','👮','👯','👰','👱','👲','👳','👴','👵','👶','👷','👸','👹','👺','👻','👼','👽','👾','👿','💀','💁','💂','💃','💄','💅','💆','💇','💈','💉','💊','💌','💍','💎','💏','💐','💑','💒','💓','💔','💕','💖','💗','💘','💙','💚','💛','💜','💝','💞','💟','💠','💡','💢','💣','💤','💥','💦','💧','💨','💩','💪','💫','💬','💭','💮','💯','💰','💱','💲','💳','💴','💵','💶','💷','💸','💹','💺','💽','💾','💿','📀','📁','📂','📃','📄','📅','📆','📇','📈','📉','📊','📋','📌','📍','📎','📏','📐','📑','📒','📓','📔','📕','📖','📗','📘','📙','📚','📛','📜','📝','📞','📟','📠','📡','📢','📣','📤','📥','📦','📧','📨','📩','📪','📫','📬','📭','📮','📯','📰','📱','📲','📳','📴','📵','📶','📷','📸','📹','📺','📻','📼','📽','📿','🔀','🔁','🔂','🔃','🔄','🔅','🔆','🔇','🔈','🔉','🔊','🔋','🔌','🔍','🔎','🔏','🔐','🔑','🔒','🔓','🔔','🔕','🔖','🔗','🔘','🔙','🔚','🔛','🔜','🔝','🔞','🔟','🔠','🔡','🔢','🔣','🔤','🔥','🔦','🔨','🔩','🔪','🔫','🔭','🔮','🔯','🔰','🔱','🔲','🔳','🔴','🔵','🔶','🔷','🔸','🔹','🔺','🔻','🔼','🔽','🕉','🕊','🕋','🕌','🕍','🕎','🕐','🕑','🕒','🕓','🕔','🕕','🕖','🕗','🕘','🕙','🕚','🕛','🕜','🕝','🕞','🕟','🕠','🕡','🕢','🕣','🕤','🕥','🕦','🕧','🕯','🕰','🕳','🕴','🕵','🕶','🕷','🕸','🕹','🕺','🖇','🖊','🖋','🖌','🖍','🖐','🖕','🖖','🖤','🖥','🖨','🖱','🖲','🖼','🗂','🗃','🗄','🗑','🗒','🗓','🗜','🗝','🗞','🗡','🗣','🗯','🗳','🗺','🗻','🗼','🗽','🗾','🗿','😀','😁','😂','😃','😄','😅','😆','😇','😈','😉','😊','😋','😌','😍','😎','😏','😐','😑','😒','😓','😔','😕','😖','😗','😘','😙','😚','😛','😜','😝','😞','😟','😠','😡','😢','😣','😤','😥','😦','😧','😨','😩','😪','😫','😬','😭','😮','😯','😰','😱','😲','😳','😴','😵','😶','😷','😸','😹','😺','😻','😼','😽','😾','😿','🙀','🙁','🙂','🙃','🙄','🙅','🙆','🙇','🙈','🙉','🙊','🙋','🙌','🙍','🙎','🙏','🚁','🚂','🚃','🚄','🚅','🚆','🚇','🚈','🚉','🚊','🚋','🚌','🚍','🚎','🚏','🚐','🚑','🚓','🚔','🚕','🚖','🚗','🚘','🚙','🚚','🚛','🚜','🚝','🚞','🚟','🚠','🚡','🚢','🚣','🚤','🚥','🚦','🚧','🚨','🚩','🚪','🚫','🚬','🚭','🚮','🚯','🚰','🚱','🚲','🚳','🚴','🚵','🚶','🚷','🚸','🚹','🚺','🚻','🚼','🚽','🚾','🚿','🛀','🛁','🛂','🛃','🛄','🛅','🛋','🛌','🛍','🛎','🛏','🛐','🛑','🛒','🛠','🛡','🛢','🛣','🛤','🛥','🛩','🛫','🛬','🛰','🛳','🛴','🛵','🛶','🛷','🛸','🛹','🤐','🤑','🤒','🤓','🤔','🤕','🤖','🤗','🤘','🤙','🤚','🤛','🤜','🤝','🤞','🤟','🤠','🤡','🤢','🤣','🤤','🤥','🤦','🤧','🤨','🤩','🤪','🤫','🤬','🤭','🤮','🤯','🤰','🤱','🤲','🤳','🤴','🤵','🤶','🤷','🤸','🤹','🤺','🤼','🤽','🤾','🥀','🥁','🥂','🥃','🥄','🥅','🥇','🥈','🥉','🥊','🥋','🥌','🥍','🥎','🥏','🥐','🥑','🥒','🥓','🥔','🥕','🥖','🥗','🥘','🥙','🥚','🥛','🥜','🥝','🥞','🥟','🥠','🥡','🥢','🥣','🥤','🥥','🥦','🥧','🥨','🥩','🥪','🥫','🥬','🥭','🥮','🥯','🥰','🥳','🥴','🥵','🥶','🥺','🥼','🥽','🥾','🥿','🦀','🦁','🦂','🦃','🦄','🦅','🦆','🦇','🦈','🦉','🦊','🦋','🦌','🦍','🦎','🦏','🦐','🦑','🦒','🦓','🦔','🦕','🦖','🦗','🦘','🦙','🦚','🦛','🦜','🦝','🦞','🦟','🦠','🦡','🦢','🦴','🦵','🦶','🦷','🦸','🦹','🧀','🧁','🧂','🧐','🧑','🧒','🧓','🧔','🧕','🧖','🧗','🧘','🧙','🧚','🧛','🧜','🧝','🧞','🧟','🧠','🧡','🧢','🧣','🧤','🧥','🧦','🧧','🧨','🧩','🧪','🧫','🧬','🧭','🧮','🧯','🧰','🧱','🧲','🧳','🧴','🧵','🧶','🧷','🧸','🧹','🧺','🧻','🧼','🧽','🧾','🧿','‼','⁉','™','ℹ','↔','↕','↖','↗','↘','↙','↩','↪','⃣','⌚','⌛','⌨','⏏','⏩','⏪','⏫','⏬','⏭','⏮','⏯','⏰','⏱','⏲','⏳','⏸','⏹','⏺','Ⓜ','▪','▫','▶','◀','◻','◼','◽','◾','☀','☁','☂','☃','☄','☎','☑','☔','☕','☘','☝','☢','☣','☦','☪','☮','☯','☸','☹','☺','♈','♉','♊','♋','♌','♍','♎','♏','♐','♑','♒','♓','♟','♠','♣','♥','♦','♨','♻','♾','♿','⚒','⚓','⚔','⚗','⚙','⚛','⚜','⚠','⚡','⚪','⚫','⚰','⚱','⚽','⚾','⛄','⛅','⛈','⛎','⛏','⛑','⛓','⛔','⛩','⛪','⛰','⛱','⛲','⛳','⛴','⛵','⛷','⛸','⛹','⛺','⛽','✂','✅','✉','✊','✋','✌','✍','✏','✒','✔','✖','✝','✡','✨','✳','✴','❄','❇','❌','❎','❓','❔','❕','❗','❣','➕','➖','➗','➡','➰','➿','⤴','⤵','⬅','⬆','⬇','⬛','⬜','⭐','⭕','〰','〽','㊗','㊙',''); |
|
// END: emoji arrays |
|
|
|
if ( 'entities' === $type ) { |
|
return $entities; |
|
} |
|
|
|
return $partials; |
|
} |
|
|
|
/** |
|
* Shorten a URL, to be used as link text. |
|
* |
|
* @since 1.2.0 |
|
* @since 4.4.0 Moved to wp-includes/formatting.php from wp-admin/includes/misc.php and added $length param. |
|
* |
|
* @param string $url URL to shorten. |
|
* @param int $length Optional. Maximum length of the shortened URL. Default 35 characters. |
|
* @return string Shortened URL. |
|
*/ |
|
function url_shorten( $url, $length = 35 ) { |
|
$stripped = str_replace( array( 'https://', 'http://', 'www.' ), '', $url ); |
|
$short_url = untrailingslashit( $stripped ); |
|
|
|
if ( strlen( $short_url ) > $length ) { |
|
$short_url = substr( $short_url, 0, $length - 3 ) . '…'; |
|
} |
|
return $short_url; |
|
} |
|
|
|
/** |
|
* Sanitizes a hex color. |
|
* |
|
* Returns either '', a 3 or 6 digit hex color (with #), or nothing. |
|
* For sanitizing values without a #, see sanitize_hex_color_no_hash(). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $color |
|
* @return string|void |
|
*/ |
|
function sanitize_hex_color( $color ) { |
|
if ( '' === $color ) { |
|
return ''; |
|
} |
|
|
|
// 3 or 6 hex digits, or the empty string. |
|
if ( preg_match('|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) { |
|
return $color; |
|
} |
|
} |
|
|
|
/** |
|
* Sanitizes a hex color without a hash. Use sanitize_hex_color() when possible. |
|
* |
|
* Saving hex colors without a hash puts the burden of adding the hash on the |
|
* UI, which makes it difficult to use or upgrade to other color types such as |
|
* rgba, hsl, rgb, and html color names. |
|
* |
|
* Returns either '', a 3 or 6 digit hex color (without a #), or null. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $color |
|
* @return string|null |
|
*/ |
|
function sanitize_hex_color_no_hash( $color ) { |
|
$color = ltrim( $color, '#' ); |
|
|
|
if ( '' === $color ) { |
|
return ''; |
|
} |
|
|
|
return sanitize_hex_color( '#' . $color ) ? $color : null; |
|
} |
|
|
|
/** |
|
* Ensures that any hex color is properly hashed. |
|
* Otherwise, returns value untouched. |
|
* |
|
* This method should only be necessary if using sanitize_hex_color_no_hash(). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $color |
|
* @return string |
|
*/ |
|
function maybe_hash_hex_color( $color ) { |
|
if ( $unhashed = sanitize_hex_color_no_hash( $color ) ) { |
|
return '#' . $unhashed; |
|
} |
|
|
|
return $color; |
|
}
|
|
|