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438 lines
13 KiB
438 lines
13 KiB
<?php |
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/** |
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* The block editor page. |
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* |
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* @since 5.0.0 |
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* |
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* @package WordPress |
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* @subpackage Administration |
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*/ |
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// don't load directly |
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if ( ! defined( 'ABSPATH' ) ) { |
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die( '-1' ); |
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} |
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/** |
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* @global string $post_type |
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* @global WP_Post_Type $post_type_object |
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* @global WP_Post $post Global post object. |
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* @global string $title |
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* @global array $editor_styles |
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* @global array $wp_meta_boxes |
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*/ |
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global $post_type, $post_type_object, $post, $title, $editor_styles, $wp_meta_boxes; |
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// Flag that we're loading the block editor. |
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$current_screen = get_current_screen(); |
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$current_screen->is_block_editor( true ); |
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/* |
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* Emoji replacement is disabled for now, until it plays nicely with React. |
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*/ |
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remove_action( 'admin_print_scripts', 'print_emoji_detection_script' ); |
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wp_enqueue_script( 'heartbeat' ); |
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wp_enqueue_script( 'wp-edit-post' ); |
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wp_enqueue_script( 'wp-format-library' ); |
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$rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name; |
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// Preload common data. |
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$preload_paths = array( |
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'/', |
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'/wp/v2/types?context=edit', |
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'/wp/v2/taxonomies?per_page=-1&context=edit', |
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'/wp/v2/themes?status=active', |
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sprintf( '/wp/v2/%s/%s?context=edit', $rest_base, $post->ID ), |
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sprintf( '/wp/v2/types/%s?context=edit', $post_type ), |
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sprintf( '/wp/v2/users/me?post_type=%s&context=edit', $post_type ), |
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array( '/wp/v2/media', 'OPTIONS' ), |
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array( '/wp/v2/blocks', 'OPTIONS' ), |
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sprintf( '/wp/v2/%s/%d/autosaves?context=edit', $rest_base, $post->ID ), |
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); |
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/** |
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* Preload common data by specifying an array of REST API paths that will be preloaded. |
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* |
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* Filters the array of paths that will be preloaded. |
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* |
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* @since 5.0.0 |
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* |
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* @param array $preload_paths Array of paths to preload. |
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* @param object $post The post resource data. |
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*/ |
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$preload_paths = apply_filters( 'block_editor_preload_paths', $preload_paths, $post ); |
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/* |
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* Ensure the global $post remains the same after API data is preloaded. |
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* Because API preloading can call the_content and other filters, plugins |
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* can unexpectedly modify $post. |
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*/ |
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$backup_global_post = $post; |
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$preload_data = array_reduce( |
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$preload_paths, |
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'rest_preload_api_request', |
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array() |
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); |
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// Restore the global $post as it was before API preloading. |
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$post = $backup_global_post; |
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wp_add_inline_script( |
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'wp-api-fetch', |
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sprintf( 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', wp_json_encode( $preload_data ) ), |
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'after' |
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); |
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wp_add_inline_script( |
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'wp-blocks', |
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sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $post ) ) ), |
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'after' |
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); |
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/* |
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* Assign initial edits, if applicable. These are not initially assigned to the persisted post, |
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* but should be included in its save payload. |
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*/ |
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$initial_edits = null; |
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$is_new_post = false; |
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if ( 'auto-draft' === $post->post_status ) { |
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$is_new_post = true; |
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// Override "(Auto Draft)" new post default title with empty string, or filtered value. |
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$initial_edits = array( |
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'title' => $post->post_title, |
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'content' => $post->post_content, |
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'excerpt' => $post->post_excerpt, |
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); |
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} |
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// Preload server-registered block schemas. |
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wp_add_inline_script( |
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'wp-blocks', |
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'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');' |
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); |
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// Get admin url for handling meta boxes. |
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$meta_box_url = admin_url( 'post.php' ); |
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$meta_box_url = add_query_arg( |
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array( |
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'post' => $post->ID, |
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'action' => 'edit', |
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'meta-box-loader' => true, |
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'meta-box-loader-nonce' => wp_create_nonce( 'meta-box-loader' ), |
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), |
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$meta_box_url |
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); |
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wp_localize_script( 'wp-editor', '_wpMetaBoxUrl', $meta_box_url ); |
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/* |
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* Initialize the editor. |
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*/ |
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$align_wide = get_theme_support( 'align-wide' ); |
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$color_palette = current( (array) get_theme_support( 'editor-color-palette' ) ); |
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$font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) ); |
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/** |
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* Filters the allowed block types for the editor, defaulting to true (all |
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* block types supported). |
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* |
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* @since 5.0.0 |
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* |
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* @param bool|array $allowed_block_types Array of block type slugs, or |
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* boolean to enable/disable all. |
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* @param object $post The post resource data. |
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*/ |
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$allowed_block_types = apply_filters( 'allowed_block_types', true, $post ); |
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// Get all available templates for the post/page attributes meta-box. |
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// The "Default template" array element should only be added if the array is |
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// not empty so we do not trigger the template select element without any options |
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// besides the default value. |
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$available_templates = wp_get_theme()->get_page_templates( get_post( $post->ID ) ); |
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$available_templates = ! empty( $available_templates ) ? array_merge( |
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array( |
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/** This filter is documented in wp-admin/includes/meta-boxes.php */ |
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'' => apply_filters( 'default_page_template_title', __( 'Default template' ), 'rest-api' ), |
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), |
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$available_templates |
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) : $available_templates; |
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// Media settings. |
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$max_upload_size = wp_max_upload_size(); |
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if ( ! $max_upload_size ) { |
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$max_upload_size = 0; |
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} |
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// Editor Styles. |
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$styles = array( |
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array( |
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'css' => file_get_contents( |
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ABSPATH . WPINC . '/css/dist/editor/editor-styles.css' |
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), |
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), |
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); |
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/* translators: Use this to specify the CSS font family for the default font. */ |
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$locale_font_family = esc_html_x( 'Noto Serif', 'CSS Font Family for Editor Font' ); |
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$styles[] = array( |
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'css' => "body { font-family: '$locale_font_family' }", |
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); |
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if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) { |
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foreach ( $editor_styles as $style ) { |
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if ( preg_match( '~^(https?:)?//~', $style ) ) { |
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$response = wp_remote_get( $style ); |
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if ( ! is_wp_error( $response ) ) { |
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$styles[] = array( |
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'css' => wp_remote_retrieve_body( $response ), |
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); |
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} |
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} else { |
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$file = get_theme_file_path( $style ); |
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if ( is_file( $file ) ) { |
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$styles[] = array( |
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'css' => file_get_contents( $file ), |
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'baseURL' => get_theme_file_uri( $style ), |
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); |
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} |
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} |
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} |
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} |
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// Image sizes. |
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/** This filter is documented in wp-admin/includes/media.php */ |
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$image_size_names = apply_filters( |
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'image_size_names_choose', |
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array( |
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'thumbnail' => __( 'Thumbnail' ), |
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'medium' => __( 'Medium' ), |
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'large' => __( 'Large' ), |
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'full' => __( 'Full Size' ), |
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) |
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); |
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$available_image_sizes = array(); |
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foreach ( $image_size_names as $image_size_slug => $image_size_name ) { |
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$available_image_sizes[] = array( |
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'slug' => $image_size_slug, |
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'name' => $image_size_name, |
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); |
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} |
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// Lock settings. |
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$user_id = wp_check_post_lock( $post->ID ); |
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if ( $user_id ) { |
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$locked = false; |
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/** This filter is documented in wp-admin/includes/post.php */ |
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if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) { |
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$locked = true; |
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} |
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$user_details = null; |
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if ( $locked ) { |
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$user = get_userdata( $user_id ); |
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$user_details = array( |
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'name' => $user->display_name, |
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); |
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$avatar = get_avatar_url( $user_id, array( 'size' => 64 ) ); |
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} |
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$lock_details = array( |
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'isLocked' => $locked, |
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'user' => $user_details, |
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); |
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} else { |
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// Lock the post. |
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$active_post_lock = wp_set_post_lock( $post->ID ); |
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if ( $active_post_lock ) { |
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$active_post_lock = esc_attr( implode( ':', $active_post_lock ) ); |
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} |
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$lock_details = array( |
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'isLocked' => false, |
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'activePostLock' => $active_post_lock, |
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); |
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} |
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/** |
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* Filters the body placeholder text. |
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* |
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* @since 5.0.0 |
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* |
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* @param string $text Placeholder text. Default 'Start writing or type / to choose a block'. |
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* @param WP_Post $post Post object. |
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*/ |
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$body_placeholder = apply_filters( 'write_your_story', __( 'Start writing or type / to choose a block' ), $post ); |
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$editor_settings = array( |
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'alignWide' => $align_wide, |
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'availableTemplates' => $available_templates, |
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'allowedBlockTypes' => $allowed_block_types, |
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'disableCustomColors' => get_theme_support( 'disable-custom-colors' ), |
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'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ), |
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'disablePostFormats' => ! current_theme_supports( 'post-formats' ), |
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/** This filter is documented in wp-admin/edit-form-advanced.php */ |
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'titlePlaceholder' => apply_filters( 'enter_title_here', __( 'Add title' ), $post ), |
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'bodyPlaceholder' => $body_placeholder, |
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'isRTL' => is_rtl(), |
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'autosaveInterval' => AUTOSAVE_INTERVAL, |
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'maxUploadFileSize' => $max_upload_size, |
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'allowedMimeTypes' => get_allowed_mime_types(), |
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'styles' => $styles, |
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'imageSizes' => $available_image_sizes, |
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'richEditingEnabled' => user_can_richedit(), |
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'postLock' => $lock_details, |
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'postLockUtils' => array( |
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'nonce' => wp_create_nonce( 'lock-post_' . $post->ID ), |
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'unlockNonce' => wp_create_nonce( 'update-post_' . $post->ID ), |
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'ajaxUrl' => admin_url( 'admin-ajax.php' ), |
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), |
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// Whether or not to load the 'postcustom' meta box is stored as a user meta |
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// field so that we're not always loading its assets. |
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'enableCustomFields' => (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ), |
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); |
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$autosave = wp_get_post_autosave( $post_ID ); |
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if ( $autosave ) { |
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if ( mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) { |
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$editor_settings['autosave'] = array( |
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'editLink' => get_edit_post_link( $autosave->ID ), |
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); |
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} else { |
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wp_delete_post_revision( $autosave->ID ); |
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} |
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} |
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if ( false !== $color_palette ) { |
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$editor_settings['colors'] = $color_palette; |
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} |
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if ( false !== $font_sizes ) { |
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$editor_settings['fontSizes'] = $font_sizes; |
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} |
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if ( ! empty( $post_type_object->template ) ) { |
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$editor_settings['template'] = $post_type_object->template; |
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$editor_settings['templateLock'] = ! empty( $post_type_object->template_lock ) ? $post_type_object->template_lock : false; |
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} |
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// If there's no template set on a new post, use the post format, instead. |
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if ( $is_new_post && ! isset( $editor_settings['template'] ) && 'post' === $post->post_type ) { |
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$post_format = get_post_format( $post ); |
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if ( in_array( $post_format, array( 'audio', 'gallery', 'image', 'quote', 'video' ), true ) ) { |
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$editor_settings['template'] = array( array( "core/$post_format" ) ); |
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} |
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} |
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/** |
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* Scripts |
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*/ |
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wp_enqueue_media( |
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array( |
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'post' => $post->ID, |
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) |
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); |
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wp_tinymce_inline_scripts(); |
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wp_enqueue_editor(); |
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/** |
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* Styles |
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*/ |
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wp_enqueue_style( 'wp-edit-post' ); |
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wp_enqueue_style( 'wp-format-library' ); |
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/** |
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* Fires after block assets have been enqueued for the editing interface. |
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* |
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* Call `add_action` on any hook before 'admin_enqueue_scripts'. |
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* |
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* In the function call you supply, simply use `wp_enqueue_script` and |
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* `wp_enqueue_style` to add your functionality to the block editor. |
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* |
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* @since 5.0.0 |
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*/ |
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do_action( 'enqueue_block_editor_assets' ); |
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// In order to duplicate classic meta box behaviour, we need to run the classic meta box actions. |
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require_once( ABSPATH . 'wp-admin/includes/meta-boxes.php' ); |
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register_and_do_post_meta_boxes( $post ); |
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// Check if the Custom Fields meta box has been removed at some point. |
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$core_meta_boxes = $wp_meta_boxes[ $current_screen->id ]['normal']['core']; |
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if ( ! isset( $core_meta_boxes['postcustom'] ) || ! $core_meta_boxes['postcustom'] ) { |
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unset( $editor_settings['enableCustomFields'] ); |
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} |
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/** |
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* Filters the settings to pass to the block editor. |
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* |
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* @since 5.0.0 |
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* |
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* @param array $editor_settings Default editor settings. |
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* @param WP_Post $post Post being edited. |
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*/ |
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$editor_settings = apply_filters( 'block_editor_settings', $editor_settings, $post ); |
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$init_script = <<<JS |
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( function() { |
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window._wpLoadBlockEditor = new Promise( function( resolve ) { |
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wp.domReady( function() { |
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resolve( wp.editPost.initializeEditor( 'editor', "%s", %d, %s, %s ) ); |
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} ); |
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} ); |
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} )(); |
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JS; |
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$script = sprintf( |
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$init_script, |
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$post->post_type, |
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$post->ID, |
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wp_json_encode( $editor_settings ), |
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wp_json_encode( $initial_edits ) |
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); |
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wp_add_inline_script( 'wp-edit-post', $script ); |
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require_once( ABSPATH . 'wp-admin/admin-header.php' ); |
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?> |
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<div class="block-editor"> |
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<h1 class="screen-reader-text hide-if-no-js"><?php echo esc_html( $title ); ?></h1> |
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<div id="editor" class="block-editor__container hide-if-no-js"></div> |
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<div id="metaboxes" class="hidden"> |
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<?php the_block_editor_meta_boxes(); ?> |
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</div> |
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<?php // JavaScript is disabled. ?> |
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<div class="wrap hide-if-js block-editor-no-js"> |
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<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1> |
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<div class="notice notice-error notice-alt"> |
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<p> |
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<?php |
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$message = sprintf( |
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/* translators: %s: A link to install the Classic Editor plugin. */ |
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__( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or try the <a href="%s">Classic Editor plugin</a>.' ), |
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esc_url( wp_nonce_url( self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ), 'save_wporg_username_' . get_current_user_id() ) ) |
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); |
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/** |
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* Filters the message displayed in the block editor interface when JavaScript is |
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* not enabled in the browser. |
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* |
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* @since 5.0.3 |
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* |
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* @param string $message The message being displayed. |
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* @param WP_Post $post The post being edited. |
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*/ |
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echo apply_filters( 'block_editor_no_javascript_message', $message, $post ); |
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?> |
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</p> |
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</div> |
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</div> |
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</div>
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