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1659 lines
49 KiB
1659 lines
49 KiB
<?php |
|
/** |
|
* WP_Theme Class |
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* |
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* @package WordPress |
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* @subpackage Theme |
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* @since 3.4.0 |
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*/ |
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final class WP_Theme implements ArrayAccess { |
|
|
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/** |
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* Whether the theme has been marked as updateable. |
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* |
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* @since 4.4.0 |
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* @var bool |
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* |
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* @see WP_MS_Themes_List_Table |
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*/ |
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public $update = false; |
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|
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/** |
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* Headers for style.css files. |
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* |
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* @var array |
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*/ |
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private static $file_headers = array( |
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'Name' => 'Theme Name', |
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'ThemeURI' => 'Theme URI', |
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'Description' => 'Description', |
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'Author' => 'Author', |
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'AuthorURI' => 'Author URI', |
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'Version' => 'Version', |
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'Template' => 'Template', |
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'Status' => 'Status', |
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'Tags' => 'Tags', |
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'TextDomain' => 'Text Domain', |
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'DomainPath' => 'Domain Path', |
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); |
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|
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/** |
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* Default themes. |
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* |
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* @var array |
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*/ |
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private static $default_themes = array( |
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'classic' => 'WordPress Classic', |
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'default' => 'WordPress Default', |
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'twentyten' => 'Twenty Ten', |
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'twentyeleven' => 'Twenty Eleven', |
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'twentytwelve' => 'Twenty Twelve', |
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'twentythirteen' => 'Twenty Thirteen', |
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'twentyfourteen' => 'Twenty Fourteen', |
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'twentyfifteen' => 'Twenty Fifteen', |
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'twentysixteen' => 'Twenty Sixteen', |
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'twentyseventeen' => 'Twenty Seventeen', |
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'twentynineteen' => 'Twenty Nineteen', |
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'twentytwenty' => 'Twenty Twenty', |
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); |
|
|
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/** |
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* Renamed theme tags. |
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* |
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* @var array |
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*/ |
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private static $tag_map = array( |
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'fixed-width' => 'fixed-layout', |
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'flexible-width' => 'fluid-layout', |
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); |
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|
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/** |
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* Absolute path to the theme root, usually wp-content/themes |
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* |
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* @var string |
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*/ |
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private $theme_root; |
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|
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/** |
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* Header data from the theme's style.css file. |
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* |
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* @var array |
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*/ |
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private $headers = array(); |
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|
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/** |
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* Header data from the theme's style.css file after being sanitized. |
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* |
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* @var array |
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*/ |
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private $headers_sanitized; |
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|
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/** |
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* Header name from the theme's style.css after being translated. |
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* |
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* Cached due to sorting functions running over the translated name. |
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* |
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* @var string |
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*/ |
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private $name_translated; |
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|
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/** |
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* Errors encountered when initializing the theme. |
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* |
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* @var WP_Error |
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*/ |
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private $errors; |
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|
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/** |
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* The directory name of the theme's files, inside the theme root. |
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* |
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* In the case of a child theme, this is directory name of the child theme. |
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* Otherwise, 'stylesheet' is the same as 'template'. |
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* |
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* @var string |
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*/ |
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private $stylesheet; |
|
|
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/** |
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* The directory name of the theme's files, inside the theme root. |
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* |
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* In the case of a child theme, this is the directory name of the parent theme. |
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* Otherwise, 'template' is the same as 'stylesheet'. |
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* |
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* @var string |
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*/ |
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private $template; |
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|
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/** |
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* A reference to the parent theme, in the case of a child theme. |
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* |
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* @var WP_Theme |
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*/ |
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private $parent; |
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|
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/** |
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* URL to the theme root, usually an absolute URL to wp-content/themes |
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* |
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* @var string |
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*/ |
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private $theme_root_uri; |
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|
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/** |
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* Flag for whether the theme's textdomain is loaded. |
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* |
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* @var bool |
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*/ |
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private $textdomain_loaded; |
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|
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/** |
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* Stores an md5 hash of the theme root, to function as the cache key. |
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* |
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* @var string |
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*/ |
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private $cache_hash; |
|
|
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/** |
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* Flag for whether the themes cache bucket should be persistently cached. |
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* |
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* Default is false. Can be set with the {@see 'wp_cache_themes_persistently'} filter. |
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* |
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* @var bool |
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*/ |
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private static $persistently_cache; |
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|
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/** |
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* Expiration time for the themes cache bucket. |
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* |
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* By default the bucket is not cached, so this value is useless. |
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* |
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* @var bool |
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*/ |
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private static $cache_expiration = 1800; |
|
|
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/** |
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* Constructor for WP_Theme. |
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* |
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* @since 3.4.0 |
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* |
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* @global array $wp_theme_directories |
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* |
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* @param string $theme_dir Directory of the theme within the theme_root. |
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* @param string $theme_root Theme root. |
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* @param WP_Error|void $_child If this theme is a parent theme, the child may be passed for validation purposes. |
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*/ |
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public function __construct( $theme_dir, $theme_root, $_child = null ) { |
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global $wp_theme_directories; |
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|
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// Initialize caching on first run. |
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if ( ! isset( self::$persistently_cache ) ) { |
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/** This action is documented in wp-includes/theme.php */ |
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self::$persistently_cache = apply_filters( 'wp_cache_themes_persistently', false, 'WP_Theme' ); |
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if ( self::$persistently_cache ) { |
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wp_cache_add_global_groups( 'themes' ); |
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if ( is_int( self::$persistently_cache ) ) { |
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self::$cache_expiration = self::$persistently_cache; |
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} |
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} else { |
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wp_cache_add_non_persistent_groups( 'themes' ); |
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} |
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} |
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|
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$this->theme_root = $theme_root; |
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$this->stylesheet = $theme_dir; |
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|
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// Correct a situation where the theme is 'some-directory/some-theme' but 'some-directory' was passed in as part of the theme root instead. |
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if ( ! in_array( $theme_root, (array) $wp_theme_directories ) && in_array( dirname( $theme_root ), (array) $wp_theme_directories ) ) { |
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$this->stylesheet = basename( $this->theme_root ) . '/' . $this->stylesheet; |
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$this->theme_root = dirname( $theme_root ); |
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} |
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|
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$this->cache_hash = md5( $this->theme_root . '/' . $this->stylesheet ); |
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$theme_file = $this->stylesheet . '/style.css'; |
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|
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$cache = $this->cache_get( 'theme' ); |
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|
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if ( is_array( $cache ) ) { |
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foreach ( array( 'errors', 'headers', 'template' ) as $key ) { |
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if ( isset( $cache[ $key ] ) ) { |
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$this->$key = $cache[ $key ]; |
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} |
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} |
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if ( $this->errors ) { |
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return; |
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} |
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if ( isset( $cache['theme_root_template'] ) ) { |
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$theme_root_template = $cache['theme_root_template']; |
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} |
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} elseif ( ! file_exists( $this->theme_root . '/' . $theme_file ) ) { |
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$this->headers['Name'] = $this->stylesheet; |
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if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet ) ) { |
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$this->errors = new WP_Error( |
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'theme_not_found', |
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sprintf( |
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/* translators: %s: Theme directory name. */ |
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__( 'The theme directory "%s" does not exist.' ), |
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esc_html( $this->stylesheet ) |
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) |
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); |
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} else { |
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$this->errors = new WP_Error( 'theme_no_stylesheet', __( 'Stylesheet is missing.' ) ); |
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} |
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$this->template = $this->stylesheet; |
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$this->cache_add( |
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'theme', |
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array( |
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'headers' => $this->headers, |
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'errors' => $this->errors, |
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'stylesheet' => $this->stylesheet, |
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'template' => $this->template, |
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) |
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); |
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if ( ! file_exists( $this->theme_root ) ) { // Don't cache this one. |
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$this->errors->add( 'theme_root_missing', __( 'ERROR: The themes directory is either empty or doesn’t exist. Please check your installation.' ) ); |
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} |
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return; |
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} elseif ( ! is_readable( $this->theme_root . '/' . $theme_file ) ) { |
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$this->headers['Name'] = $this->stylesheet; |
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$this->errors = new WP_Error( 'theme_stylesheet_not_readable', __( 'Stylesheet is not readable.' ) ); |
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$this->template = $this->stylesheet; |
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$this->cache_add( |
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'theme', |
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array( |
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'headers' => $this->headers, |
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'errors' => $this->errors, |
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'stylesheet' => $this->stylesheet, |
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'template' => $this->template, |
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) |
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); |
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return; |
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} else { |
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$this->headers = get_file_data( $this->theme_root . '/' . $theme_file, self::$file_headers, 'theme' ); |
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// Default themes always trump their pretenders. |
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// Properly identify default themes that are inside a directory within wp-content/themes. |
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$default_theme_slug = array_search( $this->headers['Name'], self::$default_themes ); |
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if ( $default_theme_slug ) { |
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if ( basename( $this->stylesheet ) != $default_theme_slug ) { |
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$this->headers['Name'] .= '/' . $this->stylesheet; |
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} |
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} |
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} |
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|
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if ( ! $this->template && $this->stylesheet === $this->headers['Template'] ) { |
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$this->errors = new WP_Error( |
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'theme_child_invalid', |
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sprintf( |
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/* translators: %s: Template. */ |
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__( 'The theme defines itself as its parent theme. Please check the %s header.' ), |
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'<code>Template</code>' |
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) |
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); |
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$this->cache_add( |
|
'theme', |
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array( |
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'headers' => $this->headers, |
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'errors' => $this->errors, |
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'stylesheet' => $this->stylesheet, |
|
) |
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); |
|
|
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return; |
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} |
|
|
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// (If template is set from cache [and there are no errors], we know it's good.) |
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if ( ! $this->template ) { |
|
$this->template = $this->headers['Template']; |
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} |
|
|
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if ( ! $this->template ) { |
|
$this->template = $this->stylesheet; |
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if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet . '/index.php' ) ) { |
|
$error_message = sprintf( |
|
/* translators: 1: index.php, 2: Documentation URL, 3: style.css */ |
|
__( 'Template is missing. Standalone themes need to have a %1$s template file. <a href="%2$s">Child themes</a> need to have a Template header in the %3$s stylesheet.' ), |
|
'<code>index.php</code>', |
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__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ), |
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'<code>style.css</code>' |
|
); |
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$this->errors = new WP_Error( 'theme_no_index', $error_message ); |
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$this->cache_add( |
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'theme', |
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array( |
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'headers' => $this->headers, |
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'errors' => $this->errors, |
|
'stylesheet' => $this->stylesheet, |
|
'template' => $this->template, |
|
) |
|
); |
|
return; |
|
} |
|
} |
|
|
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// If we got our data from cache, we can assume that 'template' is pointing to the right place. |
|
if ( ! is_array( $cache ) && $this->template != $this->stylesheet && ! file_exists( $this->theme_root . '/' . $this->template . '/index.php' ) ) { |
|
// If we're in a directory of themes inside /themes, look for the parent nearby. |
|
// wp-content/themes/directory-of-themes/* |
|
$parent_dir = dirname( $this->stylesheet ); |
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$directories = search_theme_directories(); |
|
if ( '.' != $parent_dir && file_exists( $this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php' ) ) { |
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$this->template = $parent_dir . '/' . $this->template; |
|
} elseif ( $directories && isset( $directories[ $this->template ] ) ) { |
|
// Look for the template in the search_theme_directories() results, in case it is in another theme root. |
|
// We don't look into directories of themes, just the theme root. |
|
$theme_root_template = $directories[ $this->template ]['theme_root']; |
|
} else { |
|
// Parent theme is missing. |
|
$this->errors = new WP_Error( |
|
'theme_no_parent', |
|
sprintf( |
|
/* translators: %s: Theme directory name. */ |
|
__( 'The parent theme is missing. Please install the "%s" parent theme.' ), |
|
esc_html( $this->template ) |
|
) |
|
); |
|
$this->cache_add( |
|
'theme', |
|
array( |
|
'headers' => $this->headers, |
|
'errors' => $this->errors, |
|
'stylesheet' => $this->stylesheet, |
|
'template' => $this->template, |
|
) |
|
); |
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$this->parent = new WP_Theme( $this->template, $this->theme_root, $this ); |
|
return; |
|
} |
|
} |
|
|
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// Set the parent, if we're a child theme. |
|
if ( $this->template != $this->stylesheet ) { |
|
// If we are a parent, then there is a problem. Only two generations allowed! Cancel things out. |
|
if ( $_child instanceof WP_Theme && $_child->template == $this->stylesheet ) { |
|
$_child->parent = null; |
|
$_child->errors = new WP_Error( |
|
'theme_parent_invalid', |
|
sprintf( |
|
/* translators: %s: Theme directory name. */ |
|
__( 'The "%s" theme is not a valid parent theme.' ), |
|
esc_html( $_child->template ) |
|
) |
|
); |
|
$_child->cache_add( |
|
'theme', |
|
array( |
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'headers' => $_child->headers, |
|
'errors' => $_child->errors, |
|
'stylesheet' => $_child->stylesheet, |
|
'template' => $_child->template, |
|
) |
|
); |
|
// The two themes actually reference each other with the Template header. |
|
if ( $_child->stylesheet == $this->template ) { |
|
$this->errors = new WP_Error( |
|
'theme_parent_invalid', |
|
sprintf( |
|
/* translators: %s: Theme directory name. */ |
|
__( 'The "%s" theme is not a valid parent theme.' ), |
|
esc_html( $this->template ) |
|
) |
|
); |
|
$this->cache_add( |
|
'theme', |
|
array( |
|
'headers' => $this->headers, |
|
'errors' => $this->errors, |
|
'stylesheet' => $this->stylesheet, |
|
'template' => $this->template, |
|
) |
|
); |
|
} |
|
return; |
|
} |
|
// Set the parent. Pass the current instance so we can do the crazy checks above and assess errors. |
|
$this->parent = new WP_Theme( $this->template, isset( $theme_root_template ) ? $theme_root_template : $this->theme_root, $this ); |
|
} |
|
|
|
if ( wp_paused_themes()->get( $this->stylesheet ) && ( ! is_wp_error( $this->errors ) || ! isset( $this->errors->errors['theme_paused'] ) ) ) { |
|
$this->errors = new WP_Error( 'theme_paused', __( 'This theme failed to load properly and was paused within the admin backend.' ) ); |
|
} |
|
|
|
// We're good. If we didn't retrieve from cache, set it. |
|
if ( ! is_array( $cache ) ) { |
|
$cache = array( |
|
'headers' => $this->headers, |
|
'errors' => $this->errors, |
|
'stylesheet' => $this->stylesheet, |
|
'template' => $this->template, |
|
); |
|
// If the parent theme is in another root, we'll want to cache this. Avoids an entire branch of filesystem calls above. |
|
if ( isset( $theme_root_template ) ) { |
|
$cache['theme_root_template'] = $theme_root_template; |
|
} |
|
$this->cache_add( 'theme', $cache ); |
|
} |
|
} |
|
|
|
/** |
|
* When converting the object to a string, the theme name is returned. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Theme name, ready for display (translated) |
|
*/ |
|
public function __toString() { |
|
return (string) $this->display( 'Name' ); |
|
} |
|
|
|
/** |
|
* __isset() magic method for properties formerly returned by current_theme_info() |
|
* |
|
* @staticvar array $properties |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $offset Property to check if set. |
|
* @return bool Whether the given property is set. |
|
*/ |
|
public function __isset( $offset ) { |
|
static $properties = array( |
|
'name', |
|
'title', |
|
'version', |
|
'parent_theme', |
|
'template_dir', |
|
'stylesheet_dir', |
|
'template', |
|
'stylesheet', |
|
'screenshot', |
|
'description', |
|
'author', |
|
'tags', |
|
'theme_root', |
|
'theme_root_uri', |
|
); |
|
|
|
return in_array( $offset, $properties ); |
|
} |
|
|
|
/** |
|
* __get() magic method for properties formerly returned by current_theme_info() |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $offset Property to get. |
|
* @return mixed Property value. |
|
*/ |
|
public function __get( $offset ) { |
|
switch ( $offset ) { |
|
case 'name': |
|
case 'title': |
|
return $this->get( 'Name' ); |
|
case 'version': |
|
return $this->get( 'Version' ); |
|
case 'parent_theme': |
|
return $this->parent() ? $this->parent()->get( 'Name' ) : ''; |
|
case 'template_dir': |
|
return $this->get_template_directory(); |
|
case 'stylesheet_dir': |
|
return $this->get_stylesheet_directory(); |
|
case 'template': |
|
return $this->get_template(); |
|
case 'stylesheet': |
|
return $this->get_stylesheet(); |
|
case 'screenshot': |
|
return $this->get_screenshot( 'relative' ); |
|
// 'author' and 'description' did not previously return translated data. |
|
case 'description': |
|
return $this->display( 'Description' ); |
|
case 'author': |
|
return $this->display( 'Author' ); |
|
case 'tags': |
|
return $this->get( 'Tags' ); |
|
case 'theme_root': |
|
return $this->get_theme_root(); |
|
case 'theme_root_uri': |
|
return $this->get_theme_root_uri(); |
|
// For cases where the array was converted to an object. |
|
default: |
|
return $this->offsetGet( $offset ); |
|
} |
|
} |
|
|
|
/** |
|
* Method to implement ArrayAccess for keys formerly returned by get_themes() |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $offset |
|
* @param mixed $value |
|
*/ |
|
public function offsetSet( $offset, $value ) {} |
|
|
|
/** |
|
* Method to implement ArrayAccess for keys formerly returned by get_themes() |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $offset |
|
*/ |
|
public function offsetUnset( $offset ) {} |
|
|
|
/** |
|
* Method to implement ArrayAccess for keys formerly returned by get_themes() |
|
* |
|
* @staticvar array $keys |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $offset |
|
* @return bool |
|
*/ |
|
public function offsetExists( $offset ) { |
|
static $keys = array( |
|
'Name', |
|
'Version', |
|
'Status', |
|
'Title', |
|
'Author', |
|
'Author Name', |
|
'Author URI', |
|
'Description', |
|
'Template', |
|
'Stylesheet', |
|
'Template Files', |
|
'Stylesheet Files', |
|
'Template Dir', |
|
'Stylesheet Dir', |
|
'Screenshot', |
|
'Tags', |
|
'Theme Root', |
|
'Theme Root URI', |
|
'Parent Theme', |
|
); |
|
|
|
return in_array( $offset, $keys ); |
|
} |
|
|
|
/** |
|
* Method to implement ArrayAccess for keys formerly returned by get_themes(). |
|
* |
|
* Author, Author Name, Author URI, and Description did not previously return |
|
* translated data. We are doing so now as it is safe to do. However, as |
|
* Name and Title could have been used as the key for get_themes(), both remain |
|
* untranslated for back compatibility. This means that ['Name'] is not ideal, |
|
* and care should be taken to use `$theme::display( 'Name' )` to get a properly |
|
* translated header. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $offset |
|
* @return mixed |
|
*/ |
|
public function offsetGet( $offset ) { |
|
switch ( $offset ) { |
|
case 'Name': |
|
case 'Title': |
|
/* |
|
* See note above about using translated data. get() is not ideal. |
|
* It is only for backward compatibility. Use display(). |
|
*/ |
|
return $this->get( 'Name' ); |
|
case 'Author': |
|
return $this->display( 'Author' ); |
|
case 'Author Name': |
|
return $this->display( 'Author', false ); |
|
case 'Author URI': |
|
return $this->display( 'AuthorURI' ); |
|
case 'Description': |
|
return $this->display( 'Description' ); |
|
case 'Version': |
|
case 'Status': |
|
return $this->get( $offset ); |
|
case 'Template': |
|
return $this->get_template(); |
|
case 'Stylesheet': |
|
return $this->get_stylesheet(); |
|
case 'Template Files': |
|
return $this->get_files( 'php', 1, true ); |
|
case 'Stylesheet Files': |
|
return $this->get_files( 'css', 0, false ); |
|
case 'Template Dir': |
|
return $this->get_template_directory(); |
|
case 'Stylesheet Dir': |
|
return $this->get_stylesheet_directory(); |
|
case 'Screenshot': |
|
return $this->get_screenshot( 'relative' ); |
|
case 'Tags': |
|
return $this->get( 'Tags' ); |
|
case 'Theme Root': |
|
return $this->get_theme_root(); |
|
case 'Theme Root URI': |
|
return $this->get_theme_root_uri(); |
|
case 'Parent Theme': |
|
return $this->parent() ? $this->parent()->get( 'Name' ) : ''; |
|
default: |
|
return null; |
|
} |
|
} |
|
|
|
/** |
|
* Returns errors property. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return WP_Error|false WP_Error if there are errors, or false. |
|
*/ |
|
public function errors() { |
|
return is_wp_error( $this->errors ) ? $this->errors : false; |
|
} |
|
|
|
/** |
|
* Whether the theme exists. |
|
* |
|
* A theme with errors exists. A theme with the error of 'theme_not_found', |
|
* meaning that the theme's directory was not found, does not exist. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return bool Whether the theme exists. |
|
*/ |
|
public function exists() { |
|
return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes() ) ); |
|
} |
|
|
|
/** |
|
* Returns reference to the parent theme. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return WP_Theme|false Parent theme, or false if the current theme is not a child theme. |
|
*/ |
|
public function parent() { |
|
return isset( $this->parent ) ? $this->parent : false; |
|
} |
|
|
|
/** |
|
* Adds theme data to cache. |
|
* |
|
* Cache entries keyed by the theme and the type of data. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $key Type of data to store (theme, screenshot, headers, post_templates) |
|
* @param array|string $data Data to store |
|
* @return bool Return value from wp_cache_add() |
|
*/ |
|
private function cache_add( $key, $data ) { |
|
return wp_cache_add( $key . '-' . $this->cache_hash, $data, 'themes', self::$cache_expiration ); |
|
} |
|
|
|
/** |
|
* Gets theme data from cache. |
|
* |
|
* Cache entries are keyed by the theme and the type of data. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $key Type of data to retrieve (theme, screenshot, headers, post_templates) |
|
* @return mixed Retrieved data |
|
*/ |
|
private function cache_get( $key ) { |
|
return wp_cache_get( $key . '-' . $this->cache_hash, 'themes' ); |
|
} |
|
|
|
/** |
|
* Clears the cache for the theme. |
|
* |
|
* @since 3.4.0 |
|
*/ |
|
public function cache_delete() { |
|
foreach ( array( 'theme', 'screenshot', 'headers', 'post_templates' ) as $key ) { |
|
wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' ); |
|
} |
|
$this->template = null; |
|
$this->textdomain_loaded = null; |
|
$this->theme_root_uri = null; |
|
$this->parent = null; |
|
$this->errors = null; |
|
$this->headers_sanitized = null; |
|
$this->name_translated = null; |
|
$this->headers = array(); |
|
$this->__construct( $this->stylesheet, $this->theme_root ); |
|
} |
|
|
|
/** |
|
* Get a raw, unformatted theme header. |
|
* |
|
* The header is sanitized, but is not translated, and is not marked up for display. |
|
* To get a theme header for display, use the display() method. |
|
* |
|
* Use the get_template() method, not the 'Template' header, for finding the template. |
|
* The 'Template' header is only good for what was written in the style.css, while |
|
* get_template() takes into account where WordPress actually located the theme and |
|
* whether it is actually valid. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. |
|
* @return string|false String on success, false on failure. |
|
*/ |
|
public function get( $header ) { |
|
if ( ! isset( $this->headers[ $header ] ) ) { |
|
return false; |
|
} |
|
|
|
if ( ! isset( $this->headers_sanitized ) ) { |
|
$this->headers_sanitized = $this->cache_get( 'headers' ); |
|
if ( ! is_array( $this->headers_sanitized ) ) { |
|
$this->headers_sanitized = array(); |
|
} |
|
} |
|
|
|
if ( isset( $this->headers_sanitized[ $header ] ) ) { |
|
return $this->headers_sanitized[ $header ]; |
|
} |
|
|
|
// If themes are a persistent group, sanitize everything and cache it. One cache add is better than many cache sets. |
|
if ( self::$persistently_cache ) { |
|
foreach ( array_keys( $this->headers ) as $_header ) { |
|
$this->headers_sanitized[ $_header ] = $this->sanitize_header( $_header, $this->headers[ $_header ] ); |
|
} |
|
$this->cache_add( 'headers', $this->headers_sanitized ); |
|
} else { |
|
$this->headers_sanitized[ $header ] = $this->sanitize_header( $header, $this->headers[ $header ] ); |
|
} |
|
|
|
return $this->headers_sanitized[ $header ]; |
|
} |
|
|
|
/** |
|
* Gets a theme header, formatted and translated for display. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. |
|
* @param bool $markup Optional. Whether to mark up the header. Defaults to true. |
|
* @param bool $translate Optional. Whether to translate the header. Defaults to true. |
|
* @return string|false Processed header, false on failure. |
|
*/ |
|
public function display( $header, $markup = true, $translate = true ) { |
|
$value = $this->get( $header ); |
|
if ( false === $value ) { |
|
return false; |
|
} |
|
|
|
if ( $translate && ( empty( $value ) || ! $this->load_textdomain() ) ) { |
|
$translate = false; |
|
} |
|
|
|
if ( $translate ) { |
|
$value = $this->translate_header( $header, $value ); |
|
} |
|
|
|
if ( $markup ) { |
|
$value = $this->markup_header( $header, $value, $translate ); |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Sanitize a theme header. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @staticvar array $header_tags |
|
* @staticvar array $header_tags_with_a |
|
* |
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. |
|
* @param string $value Value to sanitize. |
|
* @return mixed |
|
*/ |
|
private function sanitize_header( $header, $value ) { |
|
switch ( $header ) { |
|
case 'Status': |
|
if ( ! $value ) { |
|
$value = 'publish'; |
|
break; |
|
} |
|
// Fall through otherwise. |
|
case 'Name': |
|
static $header_tags = array( |
|
'abbr' => array( 'title' => true ), |
|
'acronym' => array( 'title' => true ), |
|
'code' => true, |
|
'em' => true, |
|
'strong' => true, |
|
); |
|
$value = wp_kses( $value, $header_tags ); |
|
break; |
|
case 'Author': |
|
// There shouldn't be anchor tags in Author, but some themes like to be challenging. |
|
case 'Description': |
|
static $header_tags_with_a = array( |
|
'a' => array( |
|
'href' => true, |
|
'title' => true, |
|
), |
|
'abbr' => array( 'title' => true ), |
|
'acronym' => array( 'title' => true ), |
|
'code' => true, |
|
'em' => true, |
|
'strong' => true, |
|
); |
|
$value = wp_kses( $value, $header_tags_with_a ); |
|
break; |
|
case 'ThemeURI': |
|
case 'AuthorURI': |
|
$value = esc_url_raw( $value ); |
|
break; |
|
case 'Tags': |
|
$value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) ); |
|
break; |
|
case 'Version': |
|
$value = strip_tags( $value ); |
|
break; |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Mark up a theme header. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @staticvar string $comma |
|
* |
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. |
|
* @param string $value Value to mark up. |
|
* @param string $translate Whether the header has been translated. |
|
* @return string Value, marked up. |
|
*/ |
|
private function markup_header( $header, $value, $translate ) { |
|
switch ( $header ) { |
|
case 'Name': |
|
if ( empty( $value ) ) { |
|
$value = esc_html( $this->get_stylesheet() ); |
|
} |
|
break; |
|
case 'Description': |
|
$value = wptexturize( $value ); |
|
break; |
|
case 'Author': |
|
if ( $this->get( 'AuthorURI' ) ) { |
|
$value = sprintf( '<a href="%1$s">%2$s</a>', $this->display( 'AuthorURI', true, $translate ), $value ); |
|
} elseif ( ! $value ) { |
|
$value = __( 'Anonymous' ); |
|
} |
|
break; |
|
case 'Tags': |
|
static $comma = null; |
|
if ( ! isset( $comma ) ) { |
|
/* translators: Used between list items, there is a space after the comma. */ |
|
$comma = __( ', ' ); |
|
} |
|
$value = implode( $comma, $value ); |
|
break; |
|
case 'ThemeURI': |
|
case 'AuthorURI': |
|
$value = esc_url( $value ); |
|
break; |
|
} |
|
|
|
return $value; |
|
} |
|
|
|
/** |
|
* Translate a theme header. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @staticvar array $tags_list |
|
* |
|
* @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. |
|
* @param string $value Value to translate. |
|
* @return string Translated value. |
|
*/ |
|
private function translate_header( $header, $value ) { |
|
switch ( $header ) { |
|
case 'Name': |
|
// Cached for sorting reasons. |
|
if ( isset( $this->name_translated ) ) { |
|
return $this->name_translated; |
|
} |
|
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain |
|
$this->name_translated = translate( $value, $this->get( 'TextDomain' ) ); |
|
return $this->name_translated; |
|
case 'Tags': |
|
if ( empty( $value ) || ! function_exists( 'get_theme_feature_list' ) ) { |
|
return $value; |
|
} |
|
|
|
static $tags_list; |
|
if ( ! isset( $tags_list ) ) { |
|
$tags_list = array( |
|
// As of 4.6, deprecated tags which are only used to provide translation for older themes. |
|
'black' => __( 'Black' ), |
|
'blue' => __( 'Blue' ), |
|
'brown' => __( 'Brown' ), |
|
'gray' => __( 'Gray' ), |
|
'green' => __( 'Green' ), |
|
'orange' => __( 'Orange' ), |
|
'pink' => __( 'Pink' ), |
|
'purple' => __( 'Purple' ), |
|
'red' => __( 'Red' ), |
|
'silver' => __( 'Silver' ), |
|
'tan' => __( 'Tan' ), |
|
'white' => __( 'White' ), |
|
'yellow' => __( 'Yellow' ), |
|
'dark' => __( 'Dark' ), |
|
'light' => __( 'Light' ), |
|
'fixed-layout' => __( 'Fixed Layout' ), |
|
'fluid-layout' => __( 'Fluid Layout' ), |
|
'responsive-layout' => __( 'Responsive Layout' ), |
|
'blavatar' => __( 'Blavatar' ), |
|
'photoblogging' => __( 'Photoblogging' ), |
|
'seasonal' => __( 'Seasonal' ), |
|
); |
|
|
|
$feature_list = get_theme_feature_list( false ); // No API |
|
foreach ( $feature_list as $tags ) { |
|
$tags_list += $tags; |
|
} |
|
} |
|
|
|
foreach ( $value as &$tag ) { |
|
if ( isset( $tags_list[ $tag ] ) ) { |
|
$tag = $tags_list[ $tag ]; |
|
} elseif ( isset( self::$tag_map[ $tag ] ) ) { |
|
$tag = $tags_list[ self::$tag_map[ $tag ] ]; |
|
} |
|
} |
|
|
|
return $value; |
|
|
|
default: |
|
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain |
|
$value = translate( $value, $this->get( 'TextDomain' ) ); |
|
} |
|
return $value; |
|
} |
|
|
|
/** |
|
* The directory name of the theme's "stylesheet" files, inside the theme root. |
|
* |
|
* In the case of a child theme, this is directory name of the child theme. |
|
* Otherwise, get_stylesheet() is the same as get_template(). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Stylesheet |
|
*/ |
|
public function get_stylesheet() { |
|
return $this->stylesheet; |
|
} |
|
|
|
/** |
|
* The directory name of the theme's "template" files, inside the theme root. |
|
* |
|
* In the case of a child theme, this is the directory name of the parent theme. |
|
* Otherwise, the get_template() is the same as get_stylesheet(). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Template |
|
*/ |
|
public function get_template() { |
|
return $this->template; |
|
} |
|
|
|
/** |
|
* Returns the absolute path to the directory of a theme's "stylesheet" files. |
|
* |
|
* In the case of a child theme, this is the absolute path to the directory |
|
* of the child theme's files. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Absolute path of the stylesheet directory. |
|
*/ |
|
public function get_stylesheet_directory() { |
|
if ( $this->errors() && in_array( 'theme_root_missing', $this->errors()->get_error_codes() ) ) { |
|
return ''; |
|
} |
|
|
|
return $this->theme_root . '/' . $this->stylesheet; |
|
} |
|
|
|
/** |
|
* Returns the absolute path to the directory of a theme's "template" files. |
|
* |
|
* In the case of a child theme, this is the absolute path to the directory |
|
* of the parent theme's files. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Absolute path of the template directory. |
|
*/ |
|
public function get_template_directory() { |
|
if ( $this->parent() ) { |
|
$theme_root = $this->parent()->theme_root; |
|
} else { |
|
$theme_root = $this->theme_root; |
|
} |
|
|
|
return $theme_root . '/' . $this->template; |
|
} |
|
|
|
/** |
|
* Returns the URL to the directory of a theme's "stylesheet" files. |
|
* |
|
* In the case of a child theme, this is the URL to the directory of the |
|
* child theme's files. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string URL to the stylesheet directory. |
|
*/ |
|
public function get_stylesheet_directory_uri() { |
|
return $this->get_theme_root_uri() . '/' . str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) ); |
|
} |
|
|
|
/** |
|
* Returns the URL to the directory of a theme's "template" files. |
|
* |
|
* In the case of a child theme, this is the URL to the directory of the |
|
* parent theme's files. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string URL to the template directory. |
|
*/ |
|
public function get_template_directory_uri() { |
|
if ( $this->parent() ) { |
|
$theme_root_uri = $this->parent()->get_theme_root_uri(); |
|
} else { |
|
$theme_root_uri = $this->get_theme_root_uri(); |
|
} |
|
|
|
return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) ); |
|
} |
|
|
|
/** |
|
* The absolute path to the directory of the theme root. |
|
* |
|
* This is typically the absolute path to wp-content/themes. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Theme root. |
|
*/ |
|
public function get_theme_root() { |
|
return $this->theme_root; |
|
} |
|
|
|
/** |
|
* Returns the URL to the directory of the theme root. |
|
* |
|
* This is typically the absolute URL to wp-content/themes. This forms the basis |
|
* for all other URLs returned by WP_Theme, so we pass it to the public function |
|
* get_theme_root_uri() and allow it to run the {@see 'theme_root_uri'} filter. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return string Theme root URI. |
|
*/ |
|
public function get_theme_root_uri() { |
|
if ( ! isset( $this->theme_root_uri ) ) { |
|
$this->theme_root_uri = get_theme_root_uri( $this->stylesheet, $this->theme_root ); |
|
} |
|
return $this->theme_root_uri; |
|
} |
|
|
|
/** |
|
* Returns the main screenshot file for the theme. |
|
* |
|
* The main screenshot is called screenshot.png. gif and jpg extensions are also allowed. |
|
* |
|
* Screenshots for a theme must be in the stylesheet directory. (In the case of child |
|
* themes, parent theme screenshots are not inherited.) |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $uri Type of URL to return, either 'relative' or an absolute URI. Defaults to absolute URI. |
|
* @return string|false Screenshot file. False if the theme does not have a screenshot. |
|
*/ |
|
public function get_screenshot( $uri = 'uri' ) { |
|
$screenshot = $this->cache_get( 'screenshot' ); |
|
if ( $screenshot ) { |
|
if ( 'relative' == $uri ) { |
|
return $screenshot; |
|
} |
|
return $this->get_stylesheet_directory_uri() . '/' . $screenshot; |
|
} elseif ( 0 === $screenshot ) { |
|
return false; |
|
} |
|
|
|
foreach ( array( 'png', 'gif', 'jpg', 'jpeg' ) as $ext ) { |
|
if ( file_exists( $this->get_stylesheet_directory() . "/screenshot.$ext" ) ) { |
|
$this->cache_add( 'screenshot', 'screenshot.' . $ext ); |
|
if ( 'relative' == $uri ) { |
|
return 'screenshot.' . $ext; |
|
} |
|
return $this->get_stylesheet_directory_uri() . '/' . 'screenshot.' . $ext; |
|
} |
|
} |
|
|
|
$this->cache_add( 'screenshot', 0 ); |
|
return false; |
|
} |
|
|
|
/** |
|
* Return files in the theme's directory. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param mixed $type Optional. Array of extensions to return. Defaults to all files (null). |
|
* @param int $depth Optional. How deep to search for files. Defaults to a flat scan (0 depth). -1 depth is infinite. |
|
* @param bool $search_parent Optional. Whether to return parent files. Defaults to false. |
|
* @return array Array of files, keyed by the path to the file relative to the theme's directory, with the values |
|
* being absolute paths. |
|
*/ |
|
public function get_files( $type = null, $depth = 0, $search_parent = false ) { |
|
$files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth ); |
|
|
|
if ( $search_parent && $this->parent() ) { |
|
$files += (array) self::scandir( $this->get_template_directory(), $type, $depth ); |
|
} |
|
|
|
return $files; |
|
} |
|
|
|
/** |
|
* Returns the theme's post templates. |
|
* |
|
* @since 4.7.0 |
|
* |
|
* @return array Array of page templates, keyed by filename and post type, |
|
* with the value of the translated header name. |
|
*/ |
|
public function get_post_templates() { |
|
// If you screw up your current theme and we invalidate your parent, most things still work. Let it slide. |
|
if ( $this->errors() && $this->errors()->get_error_codes() !== array( 'theme_parent_invalid' ) ) { |
|
return array(); |
|
} |
|
|
|
$post_templates = $this->cache_get( 'post_templates' ); |
|
|
|
if ( ! is_array( $post_templates ) ) { |
|
$post_templates = array(); |
|
|
|
$files = (array) $this->get_files( 'php', 1, true ); |
|
|
|
foreach ( $files as $file => $full_path ) { |
|
if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) ) { |
|
continue; |
|
} |
|
|
|
$types = array( 'page' ); |
|
if ( preg_match( '|Template Post Type:(.*)$|mi', file_get_contents( $full_path ), $type ) ) { |
|
$types = explode( ',', _cleanup_header_comment( $type[1] ) ); |
|
} |
|
|
|
foreach ( $types as $type ) { |
|
$type = sanitize_key( $type ); |
|
if ( ! isset( $post_templates[ $type ] ) ) { |
|
$post_templates[ $type ] = array(); |
|
} |
|
|
|
$post_templates[ $type ][ $file ] = _cleanup_header_comment( $header[1] ); |
|
} |
|
} |
|
|
|
$this->cache_add( 'post_templates', $post_templates ); |
|
} |
|
|
|
if ( $this->load_textdomain() ) { |
|
foreach ( $post_templates as &$post_type ) { |
|
foreach ( $post_type as &$post_template ) { |
|
$post_template = $this->translate_header( 'Template Name', $post_template ); |
|
} |
|
} |
|
} |
|
|
|
return $post_templates; |
|
} |
|
|
|
/** |
|
* Returns the theme's post templates for a given post type. |
|
* |
|
* @since 3.4.0 |
|
* @since 4.7.0 Added the `$post_type` parameter. |
|
* |
|
* @param WP_Post|null $post Optional. The post being edited, provided for context. |
|
* @param string $post_type Optional. Post type to get the templates for. Default 'page'. |
|
* If a post is provided, its post type is used. |
|
* @return array Array of page templates, keyed by filename, with the value of the translated header name. |
|
*/ |
|
public function get_page_templates( $post = null, $post_type = 'page' ) { |
|
if ( $post ) { |
|
$post_type = get_post_type( $post ); |
|
} |
|
|
|
$post_templates = $this->get_post_templates(); |
|
$post_templates = isset( $post_templates[ $post_type ] ) ? $post_templates[ $post_type ] : array(); |
|
|
|
/** |
|
* Filters list of page templates for a theme. |
|
* |
|
* @since 4.9.6 |
|
* |
|
* @param string[] $post_templates Array of page templates. Keys are filenames, |
|
* values are translated names. |
|
* @param WP_Theme $this The theme object. |
|
* @param WP_Post|null $post The post being edited, provided for context, or null. |
|
* @param string $post_type Post type to get the templates for. |
|
*/ |
|
$post_templates = (array) apply_filters( 'theme_templates', $post_templates, $this, $post, $post_type ); |
|
|
|
/** |
|
* Filters list of page templates for a theme. |
|
* |
|
* The dynamic portion of the hook name, `$post_type`, refers to the post type. |
|
* |
|
* @since 3.9.0 |
|
* @since 4.4.0 Converted to allow complete control over the `$page_templates` array. |
|
* @since 4.7.0 Added the `$post_type` parameter. |
|
* |
|
* @param string[] $post_templates Array of page templates. Keys are filenames, |
|
* values are translated names. |
|
* @param WP_Theme $this The theme object. |
|
* @param WP_Post|null $post The post being edited, provided for context, or null. |
|
* @param string $post_type Post type to get the templates for. |
|
*/ |
|
$post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type ); |
|
|
|
return $post_templates; |
|
} |
|
|
|
/** |
|
* Scans a directory for files of a certain extension. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $path Absolute path to search. |
|
* @param array|string|null $extensions Optional. Array of extensions to find, string of a single extension, |
|
* or null for all extensions. Default null. |
|
* @param int $depth Optional. How many levels deep to search for files. Accepts 0, 1+, or |
|
* -1 (infinite depth). Default 0. |
|
* @param string $relative_path Optional. The basename of the absolute path. Used to control the |
|
* returned path for the found files, particularly when this function |
|
* recurses to lower depths. Default empty. |
|
* @return array|false Array of files, keyed by the path to the file relative to the `$path` directory prepended |
|
* with `$relative_path`, with the values being absolute paths. False otherwise. |
|
*/ |
|
private static function scandir( $path, $extensions = null, $depth = 0, $relative_path = '' ) { |
|
if ( ! is_dir( $path ) ) { |
|
return false; |
|
} |
|
|
|
if ( $extensions ) { |
|
$extensions = (array) $extensions; |
|
$_extensions = implode( '|', $extensions ); |
|
} |
|
|
|
$relative_path = trailingslashit( $relative_path ); |
|
if ( '/' == $relative_path ) { |
|
$relative_path = ''; |
|
} |
|
|
|
$results = scandir( $path ); |
|
$files = array(); |
|
|
|
/** |
|
* Filters the array of excluded directories and files while scanning theme folder. |
|
* |
|
* @since 4.7.4 |
|
* |
|
* @param string[] $exclusions Array of excluded directories and files. |
|
*/ |
|
$exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) ); |
|
|
|
foreach ( $results as $result ) { |
|
if ( '.' == $result[0] || in_array( $result, $exclusions, true ) ) { |
|
continue; |
|
} |
|
if ( is_dir( $path . '/' . $result ) ) { |
|
if ( ! $depth ) { |
|
continue; |
|
} |
|
$found = self::scandir( $path . '/' . $result, $extensions, $depth - 1, $relative_path . $result ); |
|
$files = array_merge_recursive( $files, $found ); |
|
} elseif ( ! $extensions || preg_match( '~\.(' . $_extensions . ')$~', $result ) ) { |
|
$files[ $relative_path . $result ] = $path . '/' . $result; |
|
} |
|
} |
|
|
|
return $files; |
|
} |
|
|
|
/** |
|
* Loads the theme's textdomain. |
|
* |
|
* Translation files are not inherited from the parent theme. Todo: if this fails for the |
|
* child theme, it should probably try to load the parent theme's translations. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @return bool True if the textdomain was successfully loaded or has already been loaded. |
|
* False if no textdomain was specified in the file headers, or if the domain could not be loaded. |
|
*/ |
|
public function load_textdomain() { |
|
if ( isset( $this->textdomain_loaded ) ) { |
|
return $this->textdomain_loaded; |
|
} |
|
|
|
$textdomain = $this->get( 'TextDomain' ); |
|
if ( ! $textdomain ) { |
|
$this->textdomain_loaded = false; |
|
return false; |
|
} |
|
|
|
if ( is_textdomain_loaded( $textdomain ) ) { |
|
$this->textdomain_loaded = true; |
|
return true; |
|
} |
|
|
|
$path = $this->get_stylesheet_directory(); |
|
$domainpath = $this->get( 'DomainPath' ); |
|
if ( $domainpath ) { |
|
$path .= $domainpath; |
|
} else { |
|
$path .= '/languages'; |
|
} |
|
|
|
$this->textdomain_loaded = load_theme_textdomain( $textdomain, $path ); |
|
return $this->textdomain_loaded; |
|
} |
|
|
|
/** |
|
* Whether the theme is allowed (multisite only). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site' |
|
* settings, or 'both'. Defaults to 'both'. |
|
* @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site. |
|
* @return bool Whether the theme is allowed for the network. Returns true in single-site. |
|
*/ |
|
public function is_allowed( $check = 'both', $blog_id = null ) { |
|
if ( ! is_multisite() ) { |
|
return true; |
|
} |
|
|
|
if ( 'both' == $check || 'network' == $check ) { |
|
$allowed = self::get_allowed_on_network(); |
|
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) { |
|
return true; |
|
} |
|
} |
|
|
|
if ( 'both' == $check || 'site' == $check ) { |
|
$allowed = self::get_allowed_on_site( $blog_id ); |
|
if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/** |
|
* Determines the latest WordPress default theme that is installed. |
|
* |
|
* This hits the filesystem. |
|
* |
|
* @since 4.4.0 |
|
* |
|
* @return WP_Theme|false Object, or false if no theme is installed, which would be bad. |
|
*/ |
|
public static function get_core_default_theme() { |
|
foreach ( array_reverse( self::$default_themes ) as $slug => $name ) { |
|
$theme = wp_get_theme( $slug ); |
|
if ( $theme->exists() ) { |
|
return $theme; |
|
} |
|
} |
|
return false; |
|
} |
|
|
|
/** |
|
* Returns array of stylesheet names of themes allowed on the site or network. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param int $blog_id Optional. ID of the site. Defaults to the current site. |
|
* @return string[] Array of stylesheet names. |
|
*/ |
|
public static function get_allowed( $blog_id = null ) { |
|
/** |
|
* Filters the array of themes allowed on the network. |
|
* |
|
* Site is provided as context so that a list of network allowed themes can |
|
* be filtered further. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param string[] $allowed_themes An array of theme stylesheet names. |
|
* @param int $blog_id ID of the site. |
|
*/ |
|
$network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id ); |
|
return $network + self::get_allowed_on_site( $blog_id ); |
|
} |
|
|
|
/** |
|
* Returns array of stylesheet names of themes allowed on the network. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @staticvar array $allowed_themes |
|
* |
|
* @return string[] Array of stylesheet names. |
|
*/ |
|
public static function get_allowed_on_network() { |
|
static $allowed_themes; |
|
if ( ! isset( $allowed_themes ) ) { |
|
$allowed_themes = (array) get_site_option( 'allowedthemes' ); |
|
} |
|
|
|
/** |
|
* Filters the array of themes allowed on the network. |
|
* |
|
* @since MU (3.0.0) |
|
* |
|
* @param string[] $allowed_themes An array of theme stylesheet names. |
|
*/ |
|
$allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); |
|
|
|
return $allowed_themes; |
|
} |
|
|
|
/** |
|
* Returns array of stylesheet names of themes allowed on the site. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @staticvar array $allowed_themes |
|
* |
|
* @param int $blog_id Optional. ID of the site. Defaults to the current site. |
|
* @return string[] Array of stylesheet names. |
|
*/ |
|
public static function get_allowed_on_site( $blog_id = null ) { |
|
static $allowed_themes = array(); |
|
|
|
if ( ! $blog_id || ! is_multisite() ) { |
|
$blog_id = get_current_blog_id(); |
|
} |
|
|
|
if ( isset( $allowed_themes[ $blog_id ] ) ) { |
|
/** |
|
* Filters the array of themes allowed on the site. |
|
* |
|
* @since 4.5.0 |
|
* |
|
* @param string[] $allowed_themes An array of theme stylesheet names. |
|
* @param int $blog_id ID of the site. Defaults to current site. |
|
*/ |
|
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); |
|
} |
|
|
|
$current = $blog_id == get_current_blog_id(); |
|
|
|
if ( $current ) { |
|
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); |
|
} else { |
|
switch_to_blog( $blog_id ); |
|
$allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); |
|
restore_current_blog(); |
|
} |
|
|
|
// This is all super old MU back compat joy. |
|
// 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name. |
|
if ( false === $allowed_themes[ $blog_id ] ) { |
|
if ( $current ) { |
|
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); |
|
} else { |
|
switch_to_blog( $blog_id ); |
|
$allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); |
|
restore_current_blog(); |
|
} |
|
|
|
if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) { |
|
$allowed_themes[ $blog_id ] = array(); |
|
} else { |
|
$converted = array(); |
|
$themes = wp_get_themes(); |
|
foreach ( $themes as $stylesheet => $theme_data ) { |
|
if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get( 'Name' ) ] ) ) { |
|
$converted[ $stylesheet ] = true; |
|
} |
|
} |
|
$allowed_themes[ $blog_id ] = $converted; |
|
} |
|
// Set the option so we never have to go through this pain again. |
|
if ( is_admin() && $allowed_themes[ $blog_id ] ) { |
|
if ( $current ) { |
|
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); |
|
delete_option( 'allowed_themes' ); |
|
} else { |
|
switch_to_blog( $blog_id ); |
|
update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); |
|
delete_option( 'allowed_themes' ); |
|
restore_current_blog(); |
|
} |
|
} |
|
} |
|
|
|
/** This filter is documented in wp-includes/class-wp-theme.php */ |
|
return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); |
|
} |
|
|
|
/** |
|
* Enables a theme for all sites on the current network. |
|
* |
|
* @since 4.6.0 |
|
* |
|
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. |
|
*/ |
|
public static function network_enable_theme( $stylesheets ) { |
|
if ( ! is_multisite() ) { |
|
return; |
|
} |
|
|
|
if ( ! is_array( $stylesheets ) ) { |
|
$stylesheets = array( $stylesheets ); |
|
} |
|
|
|
$allowed_themes = get_site_option( 'allowedthemes' ); |
|
foreach ( $stylesheets as $stylesheet ) { |
|
$allowed_themes[ $stylesheet ] = true; |
|
} |
|
|
|
update_site_option( 'allowedthemes', $allowed_themes ); |
|
} |
|
|
|
/** |
|
* Disables a theme for all sites on the current network. |
|
* |
|
* @since 4.6.0 |
|
* |
|
* @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. |
|
*/ |
|
public static function network_disable_theme( $stylesheets ) { |
|
if ( ! is_multisite() ) { |
|
return; |
|
} |
|
|
|
if ( ! is_array( $stylesheets ) ) { |
|
$stylesheets = array( $stylesheets ); |
|
} |
|
|
|
$allowed_themes = get_site_option( 'allowedthemes' ); |
|
foreach ( $stylesheets as $stylesheet ) { |
|
if ( isset( $allowed_themes[ $stylesheet ] ) ) { |
|
unset( $allowed_themes[ $stylesheet ] ); |
|
} |
|
} |
|
|
|
update_site_option( 'allowedthemes', $allowed_themes ); |
|
} |
|
|
|
/** |
|
* Sorts themes by name. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param WP_Theme[] $themes Array of theme objects to sort (passed by reference). |
|
*/ |
|
public static function sort_by_name( &$themes ) { |
|
if ( 0 === strpos( get_user_locale(), 'en_' ) ) { |
|
uasort( $themes, array( 'WP_Theme', '_name_sort' ) ); |
|
} else { |
|
foreach ( $themes as $key => $theme ) { |
|
$theme->translate_header( 'Name', $theme->headers['Name'] ); |
|
} |
|
uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) ); |
|
} |
|
} |
|
|
|
/** |
|
* Callback function for usort() to naturally sort themes by name. |
|
* |
|
* Accesses the Name header directly from the class for maximum speed. |
|
* Would choke on HTML but we don't care enough to slow it down with strip_tags(). |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $a First name. |
|
* @param string $b Second name. |
|
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. |
|
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). |
|
*/ |
|
private static function _name_sort( $a, $b ) { |
|
return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] ); |
|
} |
|
|
|
/** |
|
* Callback function for usort() to naturally sort themes by translated name. |
|
* |
|
* @since 3.4.0 |
|
* |
|
* @param string $a First name. |
|
* @param string $b Second name. |
|
* @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. |
|
* Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). |
|
*/ |
|
private static function _name_sort_i18n( $a, $b ) { |
|
return strnatcasecmp( $a->name_translated, $b->name_translated ); |
|
} |
|
}
|
|
|