ts['width'] ); $atts['width'] = $defaults_atts['width']; } } else { // If the video is bigger than the theme. if ( ! empty( $content_width ) && $atts['width'] > $content_width ) { $atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] ); $atts['width'] = $content_width; } } $is_vimeo = false; $is_youtube = false; $yt_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#'; $vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#'; $primary = false; if ( ! empty( $atts['src'] ) ) { $is_vimeo = ( preg_match( $vimeo_pattern, $atts['src'] ) ); $is_youtube = ( preg_match( $yt_pattern, $atts['src'] ) ); if ( ! $is_youtube && ! $is_vimeo ) { $type = wp_check_filetype( $atts['src'], wp_get_mime_types() ); if ( ! in_array( strtolower( $type['ext'] ), $default_types, true ) ) { return sprintf( '%s', esc_url( $atts['src'] ), esc_html( $atts['src'] ) ); } } if ( $is_vimeo ) { wp_enqueue_script( 'mediaelement-vimeo' ); } $primary = true; array_unshift( $default_types, 'src' ); } else { foreach ( $default_types as $ext ) { if ( ! empty( $atts[ $ext ] ) ) { $type = wp_check_filetype( $atts[ $ext ], wp_get_mime_types() ); if ( strtolower( $type['ext'] ) === $ext ) { $primary = true; } } } } if ( ! $primary ) { $videos = get_attached_media( 'video', $post_id ); if ( empty( $videos ) ) { return; } $video = reset( $videos ); $atts['src'] = wp_get_attachment_url( $video->ID ); if ( empty( $atts['src'] ) ) { return; } array_unshift( $default_types, 'src' ); } /** * Filters the media library used for the video shortcode. * * @since 3.6.0 * * @param string $library Media library used for the video shortcode. */ $library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' ); if ( 'mediaelement' === $library && did_action( 'init' ) ) { wp_enqueue_style( 'wp-mediaelement' ); wp_enqueue_script( 'wp-mediaelement' ); wp_enqueue_script( 'mediaelement-vimeo' ); } /* * MediaElement.js has issues with some URL formats for Vimeo and YouTube, * so update the URL to prevent the ME.js player from breaking. */ if ( 'mediaelement' === $library ) { if ( $is_youtube ) { // Remove `feature` query arg and force SSL - see #40866. $atts['src'] = remove_query_arg( 'feature', $atts['src'] ); $atts['src'] = set_url_scheme( $atts['src'], 'https' ); } elseif ( $is_vimeo ) { // Remove all query arguments and force SSL - see #40866. $parsed_vimeo_url = wp_parse_url( $atts['src'] ); $vimeo_src = 'https://' . $parsed_vimeo_url['host'] . $parsed_vimeo_url['path']; // Add loop param for mejs bug - see #40977, not needed after #39686. $loop = $atts['loop'] ? '1' : '0'; $atts['src'] = add_query_arg( 'loop', $loop, $vimeo_src ); } } /** * Filters the class attribute for the video shortcode output container. * * @since 3.6.0 * @since 4.9.0 The `$atts` parameter was added. * * @param string $class CSS class or list of space-separated classes. * @param array $atts Array of video shortcode attributes. */ $atts['class'] = apply_filters( 'wp_video_shortcode_class', $atts['class'], $atts ); $html_atts = array( 'class' => $atts['class'], 'id' => sprintf( 'video-%d-%d', $post_id, $instance ), 'width' => absint( $atts['width'] ), 'height' => absint( $atts['height'] ), 'poster' => esc_url( $atts['poster'] ), 'loop' => wp_validate_boolean( $atts['loop'] ), 'autoplay' => wp_validate_boolean( $atts['autoplay'] ), 'muted' => wp_validate_boolean( $atts['muted'] ), 'preload' => $atts['preload'], ); // These ones should just be omitted altogether if they are blank. foreach ( array( 'poster', 'loop', 'autoplay', 'preload', 'muted' ) as $a ) { if ( empty( $html_atts[ $a ] ) ) { unset( $html_atts[ $a ] ); } } $attr_strings = array(); foreach ( $html_atts as $k => $v ) { $attr_strings[] = $k . '="' . esc_attr( $v ) . '"'; } $html = ''; if ( 'mediaelement' === $library && 1 === $instance ) { $html .= "\n"; } $html .= sprintf( ''; $width_rule = ''; if ( ! empty( $atts['width'] ) ) { $width_rule = sprintf( 'width: %dpx;', $atts['width'] ); } $output = sprintf( '
%s
', $width_rule, $html ); /** * Filters the output of the video shortcode. * * @since 3.6.0 * * @param string $output Video shortcode HTML output. * @param array $atts Array of video shortcode attributes. * @param string $video Video file. * @param int $post_id Post ID. * @param string $library Media library used for the video shortcode. */ return apply_filters( 'wp_video_shortcode', $output, $atts, $video, $post_id, $library ); } add_shortcode( 'video', 'wp_video_shortcode' ); /** * Gets the previous image link that has the same post parent. * * @since 5.8.0 * * @see get_adjacent_image_link() * * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param string|false $text Optional. Link text. Default false. * @return string Markup for previous image link. */ function get_previous_image_link( $size = 'thumbnail', $text = false ) { return get_adjacent_image_link( true, $size, $text ); } /** * Displays previous image link that has the same post parent. * * @since 2.5.0 * * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param string|false $text Optional. Link text. Default false. */ function previous_image_link( $size = 'thumbnail', $text = false ) { echo get_previous_image_link( $size, $text ); } /** * Gets the next image link that has the same post parent. * * @since 5.8.0 * * @see get_adjacent_image_link() * * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param string|false $text Optional. Link text. Default false. * @return string Markup for next image link. */ function get_next_image_link( $size = 'thumbnail', $text = false ) { return get_adjacent_image_link( false, $size, $text ); } /** * Displays next image link that has the same post parent. * * @since 2.5.0 * * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param string|false $text Optional. Link text. Default false. */ function next_image_link( $size = 'thumbnail', $text = false ) { echo get_next_image_link( $size, $text ); } /** * Gets the next or previous image link that has the same post parent. * * Retrieves the current attachment object from the $post global. * * @since 5.8.0 * * @param bool $prev Optional. Whether to display the next (false) or previous (true) link. Default true. * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param bool $text Optional. Link text. Default false. * @return string Markup for image link. */ function get_adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) { $post = get_post(); $attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID', ) ) ); foreach ( $attachments as $k => $attachment ) { if ( (int) $attachment->ID === (int) $post->ID ) { break; } } $output = ''; $attachment_id = 0; if ( $attachments ) { $k = $prev ? $k - 1 : $k + 1; if ( isset( $attachments[ $k ] ) ) { $attachment_id = $attachments[ $k ]->ID; $attr = array( 'alt' => get_the_title( $attachment_id ) ); $output = wp_get_attachment_link( $attachment_id, $size, true, false, $text, $attr ); } } $adjacent = $prev ? 'previous' : 'next'; /** * Filters the adjacent image link. * * The dynamic portion of the hook name, `$adjacent`, refers to the type of adjacency, * either 'next', or 'previous'. * * Possible hook names include: * * - `next_image_link` * - `previous_image_link` * * @since 3.5.0 * * @param string $output Adjacent image HTML markup. * @param int $attachment_id Attachment ID * @param string|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). * @param string $text Link text. */ return apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text ); } /** * Displays next or previous image link that has the same post parent. * * Retrieves the current attachment object from the $post global. * * @since 2.5.0 * * @param bool $prev Optional. Whether to display the next (false) or previous (true) link. Default true. * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array * of width and height values in pixels (in that order). Default 'thumbnail'. * @param bool $text Optional. Link text. Default false. */ function adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) { echo get_adjacent_image_link( $prev, $size, $text ); } /** * Retrieves taxonomies attached to given the attachment. * * @since 2.5.0 * @since 4.7.0 Introduced the `$output` parameter. * * @param int|array|object $attachment Attachment ID, data array, or data object. * @param string $output Output type. 'names' to return an array of taxonomy names, * or 'objects' to return an array of taxonomy objects. * Default is 'names'. * @return string[]|WP_Taxonomy[] List of taxonomies or taxonomy names. Empty array on failure. */ function get_attachment_taxonomies( $attachment, $output = 'names' ) { if ( is_int( $attachment ) ) { $attachment = get_post( $attachment ); } elseif ( is_array( $attachment ) ) { $attachment = (object) $attachment; } if ( ! is_object( $attachment ) ) { return array(); } $file = get_attached_file( $attachment->ID ); $filename = wp_basename( $file ); $objects = array( 'attachment' ); if ( str_contains( $filename, '.' ) ) { $objects[] = 'attachment:' . substr( $filename, strrpos( $filename, '.' ) + 1 ); } if ( ! empty( $attachment->post_mime_type ) ) { $objects[] = 'attachment:' . $attachment->post_mime_type; if ( str_contains( $attachment->post_mime_type, '/' ) ) { foreach ( explode( '/', $attachment->post_mime_type ) as $token ) { if ( ! empty( $token ) ) { $objects[] = "attachment:$token"; } } } } $taxonomies = array(); foreach ( $objects as $object ) { $taxes = get_object_taxonomies( $object, $output ); if ( $taxes ) { $taxonomies = array_merge( $taxonomies, $taxes ); } } if ( 'names' === $output ) { $taxonomies = array_unique( $taxonomies ); } return $taxonomies; } /** * Retrieves all of the taxonomies that are registered for attachments. * * Handles mime-type-specific taxonomies such as attachment:image and attachment:video. * * @since 3.5.0 * * @see get_taxonomies() * * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'. * Default 'names'. * @return string[]|WP_Taxonomy[] Array of names or objects of registered taxonomies for attachments. */ function get_taxonomies_for_attachments( $output = 'names' ) { $taxonomies = array(); foreach ( get_taxonomies( array(), 'objects' ) as $taxonomy ) { foreach ( $taxonomy->object_type as $object_type ) { if ( 'attachment' === $object_type || str_starts_with( $object_type, 'attachment:' ) ) { if ( 'names' === $output ) { $taxonomies[] = $taxonomy->name; } else { $taxonomies[ $taxonomy->name ] = $taxonomy; } break; } } } return $taxonomies; } /** * Determines whether the value is an acceptable type for GD image functions. * * In PHP 8.0, the GD extension uses GdImage objects for its data structures. * This function checks if the passed value is either a GdImage object instance * or a resource of type `gd`. Any other type will return false. * * @since 5.6.0 * * @param resource|GdImage|false $image A value to check the type for. * @return bool True if `$image` is either a GD image resource or a GdImage instance, * false otherwise. */ function is_gd_image( $image ) { if ( $image instanceof GdImage || is_resource( $image ) && 'gd' === get_resource_type( $image ) ) { return true; } return false; } /** * Creates a new GD image resource with transparency support. * * @todo Deprecate if possible. * * @since 2.9.0 * * @param int $width Image width in pixels. * @param int $height Image height in pixels. * @return resource|GdImage|false The GD image resource or GdImage instance on success. * False on failure. */ function wp_imagecreatetruecolor( $width, $height ) { $img = imagecreatetruecolor( $width, $height ); if ( is_gd_image( $img ) && function_exists( 'imagealphablending' ) && function_exists( 'imagesavealpha' ) ) { imagealphablending( $img, false ); imagesavealpha( $img, true ); } return $img; } /** * Based on a supplied width/height example, returns the biggest possible dimensions based on the max width/height. * * @since 2.9.0 * * @see wp_constrain_dimensions() * * @param int $example_width The width of an example embed. * @param int $example_height The height of an example embed. * @param int $max_width The maximum allowed width. * @param int $max_height The maximum allowed height. * @return int[] { * An array of maximum width and height values. * * @type int $0 The maximum width in pixels. * @type int $1 The maximum height in pixels. * } */ function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) { $example_width = (int) $example_width; $example_height = (int) $example_height; $max_width = (int) $max_width; $max_height = (int) $max_height; return wp_constrain_dimensions( $example_width * 1000000, $example_height * 1000000, $max_width, $max_height ); } /** * Determines the maximum upload size allowed in php.ini. * * @since 2.5.0 * * @return int Allowed upload size. */ function wp_max_upload_size() { $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) ); $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ); /** * Filters the maximum upload size allowed in php.ini. * * @since 2.5.0 * * @param int $size Max upload size limit in bytes. * @param int $u_bytes Maximum upload filesize in bytes. * @param int $p_bytes Maximum size of POST data in bytes. */ return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes ); } /** * Returns a WP_Image_Editor instance and loads file into it. * * @since 3.5.0 * * @param string $path Path to the file to load. * @param array $args Optional. Additional arguments for retrieving the image editor. * Default empty array. * @return WP_Image_Editor|WP_Error The WP_Image_Editor object on success, * a WP_Error object otherwise. */ function wp_get_image_editor( $path, $args = array() ) { $args['path'] = $path; // If the mime type is not set in args, try to extract and set it from the file. if ( ! isset( $args['mime_type'] ) ) { $file_info = wp_check_filetype( $args['path'] ); /* * If $file_info['type'] is false, then we let the editor attempt to * figure out the file type, rather than forcing a failure based on extension. */ if ( isset( $file_info ) && $file_info['type'] ) { $args['mime_type'] = $file_info['type']; } } // Check and set the output mime type mapped to the input type. if ( isset( $args['mime_type'] ) ) { /** This filter is documented in wp-includes/class-wp-image-editor.php */ $output_format = apply_filters( 'image_editor_output_format', array(), $path, $args['mime_type'] ); if ( isset( $output_format[ $args['mime_type'] ] ) ) { $args['output_mime_type'] = $output_format[ $args['mime_type'] ]; } } $implementation = _wp_image_editor_choose( $args ); if ( $implementation ) { $editor = new $implementation( $path ); $loaded = $editor->load(); if ( is_wp_error( $loaded ) ) { return $loaded; } return $editor; } return new WP_Error( 'image_no_editor', __( 'No editor could be selected.' ) ); } /** * Tests whether there is an editor that supports a given mime type or methods. * * @since 3.5.0 * * @param string|array $args Optional. Array of arguments to retrieve the image editor supports. * Default empty array. * @return bool True if an eligible editor is found; false otherwise. */ function wp_image_editor_supports( $args = array() ) { return (bool) _wp_image_editor_choose( $args ); } /** * Tests which editors are capable of supporting the request. * * @ignore * @since 3.5.0 * * @param array $args Optional. Array of arguments for choosing a capable editor. Default empty array. * @return string|false Class name for the first editor that claims to support the request. * False if no editor claims to support the request. */ function _wp_image_editor_choose( $args = array() ) { require_once ABSPATH . WPINC . '/class-wp-image-editor.php'; require_once ABSPATH . WPINC . '/class-wp-image-editor-gd.php'; require_once ABSPATH . WPINC . '/class-wp-image-editor-imagick.php'; /** * Filters the list of image editing library classes. * * @since 3.5.0 * * @param string[] $image_editors Array of available image editor class names. Defaults are * 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD'. */ $implementations = apply_filters( 'wp_image_editors', array( 'WP_Image_Editor_Imagick', 'WP_Image_Editor_GD' ) ); $supports_input = false; foreach ( $implementations as $implementation ) { if ( ! call_user_func( array( $implementation, 'test' ), $args ) ) { continue; } // Implementation should support the passed mime type. if ( isset( $args['mime_type'] ) && ! call_user_func( array( $implementation, 'supports_mime_type' ), $args['mime_type'] ) ) { continue; } // Implementation should support requested methods. if ( isset( $args['methods'] ) && array_diff( $args['methods'], get_class_methods( $implementation ) ) ) { continue; } // Implementation should ideally support the output mime type as well if set and different than the passed type. if ( isset( $args['mime_type'] ) && isset( $args['output_mime_type'] ) && $args['mime_type'] !== $args['output_mime_type'] && ! call_user_func( array( $implementation, 'supports_mime_type' ), $args['output_mime_type'] ) ) { /* * This implementation supports the imput type but not the output type. * Keep looking to see if we can find an implementation that supports both. */ $supports_input = $implementation; continue; } // Favor the implementation that supports both input and output mime types. return $implementation; } return $supports_input; } /** * Prints default Plupload arguments. * * @since 3.4.0 */ function wp_plupload_default_settings() { $wp_scripts = wp_scripts(); $data = $wp_scripts->get_data( 'wp-plupload', 'data' ); if ( $data && str_contains( $data, '_wpPluploadSettings' ) ) { return; } $max_upload_size = wp_max_upload_size(); $allowed_extensions = array_keys( get_allowed_mime_types() ); $extensions = array(); foreach ( $allowed_extensions as $extension ) { $extensions = array_merge( $extensions, explode( '|', $extension ) ); } /* * Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`, * and the `flash_swf_url` and `silverlight_xap_url` are not used. */ $defaults = array( 'file_data_name' => 'async-upload', // Key passed to $_FILE. 'url' => admin_url( 'async-upload.php', 'relative' ), 'filters' => array( 'max_file_size' => $max_upload_size . 'b', 'mime_types' => array( array( 'extensions' => implode( ',', $extensions ) ) ), ), ); /* * Currently only iOS Safari supports multiple files uploading, * but iOS 7.x has a bug that prevents uploading of videos when enabled. * See #29602. */ if ( wp_is_mobile() && str_contains( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) && str_contains( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) ) { $defaults['multi_selection'] = false; } // Check if WebP images can be edited. if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) { $defaults['webp_upload_error'] = true; } /** * Filters the Plupload default settings. * * @since 3.4.0 * * @param array $defaults Default Plupload settings array. */ $defaults = apply_filters( 'plupload_default_settings', $defaults ); $params = array( 'action' => 'upload-attachment', ); /** * Filters the Plupload default parameters. * * @since 3.4.0 * * @param array $params Default Plupload parameters array. */ $params = apply_filters( 'plupload_default_params', $params ); $params['_wpnonce'] = wp_create_nonce( 'media-form' ); $defaults['multipart_params'] = $params; $settings = array( 'defaults' => $defaults, 'browser' => array( 'mobile' => wp_is_mobile(), 'supported' => _device_can_upload(), ), 'limitExceeded' => is_multisite() && ! is_upload_space_available(), ); $script = 'var _wpPluploadSettings = ' . wp_json_encode( $settings ) . ';'; if ( $data ) { $script = "$data\n$script"; } $wp_scripts->add_data( 'wp-plupload', 'data', $script ); } /** * Prepares an attachment post object for JS, where it is expected * to be JSON-encoded and fit into an Attachment model. * * @since 3.5.0 * * @param int|WP_Post $attachment Attachment ID or object. * @return array|void { * Array of attachment details, or void if the parameter does not correspond to an attachment. * * @type string $alt Alt text of the attachment. * @type string $author ID of the attachment author, as a string. * @type string $authorName Name of the attachment author. * @type string $caption Caption for the attachment. * @type array $compat Containing item and meta. * @type string $context Context, whether it's used as the site icon for example. * @type int $date Uploaded date, timestamp in milliseconds. * @type string $dateFormatted Formatted date (e.g. June 29, 2018). * @type string $description Description of the attachment. * @type string $editLink URL to the edit page for the attachment. * @type string $filename File name of the attachment. * @type string $filesizeHumanReadable Filesize of the attachment in human readable format (e.g. 1 MB). * @type int $filesizeInBytes Filesize of the attachment in bytes. * @type int $height If the attachment is an image, represents the height of the image in pixels. * @type string $icon Icon URL of the attachment (e.g. /wp-includes/images/media/archive.png). * @type int $id ID of the attachment. * @type string $link URL to the attachment. * @type int $menuOrder Menu order of the attachment post. * @type array $meta Meta data for the attachment. * @type string $mime Mime type of the attachment (e.g. image/jpeg or application/zip). * @type int $modified Last modified, timestamp in milliseconds. * @type string $name Name, same as title of the attachment. * @type array $nonces Nonces for update, delete and edit. * @type string $orientation If the attachment is an image, represents the image orientation * (landscape or portrait). * @type array $sizes If the attachment is an image, contains an array of arrays * for the images sizes: thumbnail, medium, large, and full. * @type string $status Post status of the attachment (usually 'inherit'). * @type string $subtype Mime subtype of the attachment (usually the last part, e.g. jpeg or zip). * @type string $title Title of the attachment (usually slugified file name without the extension). * @type string $type Type of the attachment (usually first part of the mime type, e.g. image). * @type int $uploadedTo Parent post to which the attachment was uploaded. * @type string $uploadedToLink URL to the edit page of the parent post of the attachment. * @type string $uploadedToTitle Post title of the parent of the attachment. * @type string $url Direct URL to the attachment file (from wp-content). * @type int $width If the attachment is an image, represents the width of the image in pixels. * } * */ function wp_prepare_attachment_for_js( $attachment ) { $attachment = get_post( $attachment ); if ( ! $attachment ) { return; } if ( 'attachment' !== $attachment->post_type ) { return; } $meta = wp_get_attachment_metadata( $attachment->ID ); if ( str_contains( $attachment->post_mime_type, '/' ) ) { list( $type, $subtype ) = explode( '/', $attachment->post_mime_type ); } else { list( $type, $subtype ) = array( $attachment->post_mime_type, '' ); } $attachment_url = wp_get_attachment_url( $attachment->ID ); $base_url = str_replace( wp_basename( $attachment_url ), '', $attachment_url ); $response = array( 'id' => $attachment->ID, 'title' => $attachment->post_title, 'filename' => wp_basename( get_attached_file( $attachment->ID ) ), 'url' => $attachment_url, 'link' => get_attachment_link( $attachment->ID ), 'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ), 'author' => $attachment->post_author, 'description' => $attachment->post_content, 'caption' => $attachment->post_excerpt, 'name' => $attachment->post_name, 'status' => $attachment->post_status, 'uploadedTo' => $attachment->post_parent, 'date' => strtotime( $attachment->post_date_gmt ) * 1000, 'modified' => strtotime( $attachment->post_modified_gmt ) * 1000, 'menuOrder' => $attachment->menu_order, 'mime' => $attachment->post_mime_type, 'type' => $type, 'subtype' => $subtype, 'icon' => wp_mime_type_icon( $attachment->ID ), 'dateFormatted' => mysql2date( __( 'F j, Y' ), $attachment->post_date ), 'nonces' => array( 'update' => false, 'delete' => false, 'edit' => false, ), 'editLink' => false, 'meta' => false, ); $author = new WP_User( $attachment->post_author ); if ( $author->exists() ) { $author_name = $author->display_name ? $author->display_name : $author->nickname; $response['authorName'] = html_entity_decode( $author_name, ENT_QUOTES, get_bloginfo( 'charset' ) ); $response['authorLink'] = get_edit_user_link( $author->ID ); } else { $response['authorName'] = __( '(no author)' ); } if ( $attachment->post_parent ) { $post_parent = get_post( $attachment->post_parent ); if ( $post_parent ) { $response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' ); $response['uploadedToLink'] = get_edit_post_link( $attachment->post_parent, 'raw' ); } } $attached_file = get_attached_file( $attachment->ID ); if ( isset( $meta['filesize'] ) ) { $bytes = $meta['filesize']; } elseif ( file_exists( $attached_file ) ) { $bytes = wp_filesize( $attached_file ); } else { $bytes = ''; } if ( $bytes ) { $response['filesizeInBytes'] = $bytes; $response['filesizeHumanReadable'] = size_format( $bytes ); } $context = get_post_meta( $attachment->ID, '_wp_attachment_context', true ); $response['context'] = ( $context ) ? $context : ''; if ( current_user_can( 'edit_post', $attachment->ID ) ) { $response['nonces']['update'] = wp_create_nonce( 'update-post_' . $attachment->ID ); $response['nonces']['edit'] = wp_create_nonce( 'image_editor-' . $attachment->ID ); $response['editLink'] = get_edit_post_link( $attachment->ID, 'raw' ); } if ( current_user_can( 'delete_post', $attachment->ID ) ) { $response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID ); } if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) { $sizes = array(); /** This filter is documented in wp-admin/includes/media.php */ $possible_sizes = apply_filters( 'image_size_names_choose', array( 'thumbnail' => __( 'Thumbnail' ), 'medium' => __( 'Medium' ), 'large' => __( 'Large' ), 'full' => __( 'Full Size' ), ) ); unset( $possible_sizes['full'] ); /* * Loop through all potential sizes that may be chosen. Try to do this with some efficiency. * First: run the image_downsize filter. If it returns something, we can use its data. * If the filter does not return something, then image_downsize() is just an expensive way * to check the image metadata, which we do second. */ foreach ( $possible_sizes as $size => $label ) { /** This filter is documented in wp-includes/media.php */ $downsize = apply_filters( 'image_downsize', false, $attachment->ID, $size ); if ( $downsize ) { if ( empty( $downsize[3] ) ) { continue; } $sizes[ $size ] = array( 'height' => $downsize[2], 'width' => $downsize[1], 'url' => $downsize[0], 'orientation' => $downsize[2] > $downsize[1] ? 'portrait' : 'landscape', ); } elseif ( isset( $meta['sizes'][ $size ] ) ) { // Nothing from the filter, so consult image metadata if we have it. $size_meta = $meta['sizes'][ $size ]; /* * We have the actual image size, but might need to further constrain it if content_width is narrower. * Thumbnail, medium, and full sizes are also checked against the site's height/width options. */ list( $width, $height ) = image_constrain_size_for_editor( $size_meta['width'], $size_meta['height'], $size, 'edit' ); $sizes[ $size ] = array( 'height' => $height, 'width' => $width, 'url' => $base_url . $size_meta['file'], 'orientation' => $height > $width ? 'portrait' : 'landscape', ); } } if ( 'image' === $type ) { if ( ! empty( $meta['original_image'] ) ) { $response['originalImageURL'] = wp_get_original_image_url( $attachment->ID ); $response['originalImageName'] = wp_basename( wp_get_original_image_path( $attachment->ID ) ); } $sizes['full'] = array( 'url' => $attachment_url ); if ( isset( $meta['height'], $meta['width'] ) ) { $sizes['full']['height'] = $meta['height']; $sizes['full']['width'] = $meta['width']; $sizes['full']['orientation'] = $meta['height'] > $meta['width'] ? 'portrait' : 'landscape'; } $response = array_merge( $response, $sizes['full'] ); } elseif ( $meta['sizes']['full']['file'] ) { $sizes['full'] = array( 'url' => $base_url . $meta['sizes']['full']['file'], 'height' => $meta['sizes']['full']['height'], 'width' => $meta['sizes']['full']['width'], 'orientation' => $meta['sizes']['full']['height'] > $meta['sizes']['full']['width'] ? 'portrait' : 'landscape', ); } $response = array_merge( $response, array( 'sizes' => $sizes ) ); } if ( $meta && 'video' === $type ) { if ( isset( $meta['width'] ) ) { $response['width'] = (int) $meta['width']; } if ( isset( $meta['height'] ) ) { $response['height'] = (int) $meta['height']; } } if ( $meta && ( 'audio' === $type || 'video' === $type ) ) { if ( isset( $meta['length_formatted'] ) ) { $response['fileLength'] = $meta['length_formatted']; $response['fileLengthHumanReadable'] = human_readable_duration( $meta['length_formatted'] ); } $response['meta'] = array(); foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) { $response['meta'][ $key ] = false; if ( ! empty( $meta[ $key ] ) ) { $response['meta'][ $key ] = $meta[ $key ]; } } $id = get_post_thumbnail_id( $attachment->ID ); if ( ! empty( $id ) ) { list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'full' ); $response['image'] = compact( 'src', 'width', 'height' ); list( $src, $width, $height ) = wp_get_attachment_image_src( $id, 'thumbnail' ); $response['thumb'] = compact( 'src', 'width', 'height' ); } else { $src = wp_mime_type_icon( $attachment->ID ); $width = 48; $height = 64; $response['image'] = compact( 'src', 'width', 'height' ); $response['thumb'] = compact( 'src', 'width', 'height' ); } } if ( function_exists( 'get_compat_media_markup' ) ) { $response['compat'] = get_compat_media_markup( $attachment->ID, array( 'in_modal' => true ) ); } if ( function_exists( 'get_media_states' ) ) { $media_states = get_media_states( $attachment ); if ( ! empty( $media_states ) ) { $response['mediaStates'] = implode( ', ', $media_states ); } } /** * Filters the attachment data prepared for JavaScript. * * @since 3.5.0 * * @param array $response Array of prepared attachment data. See {@see wp_prepare_attachment_for_js()}. * @param WP_Post $attachment Attachment object. * @param array|false $meta Array of attachment meta data, or false if there is none. */ return apply_filters( 'wp_prepare_attachment_for_js', $response, $attachment, $meta ); } /** * Enqueues all scripts, styles, settings, and templates necessary to use * all media JS APIs. * * @since 3.5.0 * * @global int $content_width * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Locale $wp_locale WordPress date and time locale object. * * @param array $args { * Arguments for enqueuing media scripts. * * @type int|WP_Post $post Post ID or post object. * } */ function wp_enqueue_media( $args = array() ) { // Enqueue me just once per page, please. if ( did_action( 'wp_enqueue_media' ) ) { return; } global $content_width, $wpdb, $wp_locale; $defaults = array( 'post' => null, ); $args = wp_parse_args( $args, $defaults ); /* * We're going to pass the old thickbox media tabs to `media_upload_tabs` * to ensure plugins will work. We will then unset those tabs. */ $tabs = array( // handler action suffix => tab label 'type' => '', 'type_url' => '', 'gallery' => '', 'library' => '', ); /** This filter is documented in wp-admin/includes/media.php */ $tabs = apply_filters( 'media_upload_tabs', $tabs ); unset( $tabs['type'], $tabs['type_url'], $tabs['gallery'], $tabs['library'] ); $props = array( 'link' => get_option( 'image_default_link_type' ), // DB default is 'file'. 'align' => get_option( 'image_default_align' ), // Empty default. 'size' => get_option( 'image_default_size' ), // Empty default. ); $exts = array_merge( wp_get_audio_extensions(), wp_get_video_extensions() ); $mimes = get_allowed_mime_types(); $ext_mimes = array(); foreach ( $exts as $ext ) { foreach ( $mimes as $ext_preg => $mime_match ) { if ( preg_match( '#' . $ext . '#i', $ext_preg ) ) { $ext_mimes[ $ext ] = $mime_match; break; } } } /** * Allows showing or hiding the "Create Audio Playlist" button in the media library. * * By default, the "Create Audio Playlist" button will always be shown in * the media library. If this filter returns `null`, a query will be run * to determine whether the media library contains any audio items. This * was the default behavior prior to version 4.8.0, but this query is * expensive for large media libraries. * * @since 4.7.4 * @since 4.8.0 The filter's default value is `true` rather than `null`. * * @link https://core.trac.wordpress.org/ticket/31071 * * @param bool|null $show Whether to show the button, or `null` to decide based * on whether any audio files exist in the media library. */ $show_audio_playlist = apply_filters( 'media_library_show_audio_playlist', true ); if ( null === $show_audio_playlist ) { $show_audio_playlist = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE post_type = 'attachment' AND post_mime_type LIKE 'audio%' LIMIT 1" ); } /** * Allows showing or hiding the "Create Video Playlist" button in the media library. * * By default, the "Create Video Playlist" button will always be shown in * the media library. If this filter returns `null`, a query will be run * to determine whether the media library contains any video items. This * was the default behavior prior to version 4.8.0, but this query is * expensive for large media libraries. * * @since 4.7.4 * @since 4.8.0 The filter's default value is `true` rather than `null`. * * @link https://core.trac.wordpress.org/ticket/31071 * * @param bool|null $show Whether to show the button, or `null` to decide based * on whether any video files exist in the media library. */ $show_video_playlist = apply_filters( 'media_library_show_video_playlist', true ); if ( null === $show_video_playlist ) { $show_video_playlist = $wpdb->get_var( "SELECT ID FROM $wpdb->posts WHERE post_type = 'attachment' AND post_mime_type LIKE 'video%' LIMIT 1" ); } /** * Allows overriding the list of months displayed in the media library. * * By default (if this filter does not return an array), a query will be * run to determine the months that have media items. This query can be * expensive for large media libraries, so it may be desirable for sites to * override this behavior. * * @since 4.7.4 * * @link https://core.trac.wordpress.org/ticket/31071 * * @param stdClass[]|null $months An array of objects with `month` and `year` * properties, or `null` for default behavior. */ $months = apply_filters( 'media_library_months_with_files', null ); if ( ! is_array( $months ) ) { $months = $wpdb->get_results( $wpdb->prepare( "SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month FROM $wpdb->posts WHERE post_type = %s ORDER BY post_date DESC", 'attachment' ) ); } foreach ( $months as $month_year ) { $month_year->text = sprintf( /* translators: 1: Month, 2: Year. */ __( '%1$s %2$d' ), $wp_locale->get_month( $month_year->month ), $month_year->year ); } /** * Filters whether the Media Library grid has infinite scrolling. Default `false`. * * @since 5.8.0 * * @param bool $infinite Whether the Media Library grid has infinite scrolling. */ $infinite_scrolling = apply_filters( 'media_library_infinite_scrolling', false ); $settings = array( 'tabs' => $tabs, 'tabUrl' => add_query_arg( array( 'chromeless' => true ), admin_url( 'media-upload.php' ) ), 'mimeTypes' => wp_list_pluck( get_post_mime_types(), 0 ), /** This filter is documented in wp-admin/includes/media.php */ 'captions' => ! apply_filters( 'disable_captions', '' ), 'nonce' => array( 'sendToEditor' => wp_create_nonce( 'media-send-to-editor' ), 'setAttachmentThumbnail' => wp_create_nonce( 'set-attachment-thumbnail' ), ), 'post' => array( 'id' => 0, ), 'defaultProps' => $props, 'attachmentCounts' => array( 'audio' => ( $show_audio_playlist ) ? 1 : 0, 'video' => ( $show_video_playlist ) ? 1 : 0, ), 'oEmbedProxyUrl' => rest_url( 'oembed/1.0/proxy' ), 'embedExts' => $exts, 'embedMimes' => $ext_mimes, 'contentWidth' => $content_width, 'months' => $months, 'mediaTrash' => MEDIA_TRASH ? 1 : 0, 'infiniteScrolling' => ( $infinite_scrolling ) ? 1 : 0, ); $post = null; if ( isset( $args['post'] ) ) { $post = get_post( $args['post'] ); $settings['post'] = array( 'id' => $post->ID, 'nonce' => wp_create_nonce( 'update-post_' . $post->ID ), ); $thumbnail_support = current_theme_supports( 'post-thumbnails', $post->post_type ) && post_type_supports( $post->post_type, 'thumbnail' ); if ( ! $thumbnail_support && 'attachment' === $post->post_type && $post->post_mime_type ) { if ( wp_attachment_is( 'audio', $post ) ) { $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' ); } elseif ( wp_attachment_is( 'video', $post ) ) { $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' ); } } if ( $thumbnail_support ) { $featured_image_id = get_post_meta( $post->ID, '_thumbnail_id', true ); $settings['post']['featuredImageId'] = $featured_image_id ? $featured_image_id : -1; } } if ( $post ) { $post_type_object = get_post_type_object( $post->post_type ); } else { $post_type_object = get_post_type_object( 'post' ); } $strings = array( // Generic. 'mediaFrameDefaultTitle' => __( 'Media' ), 'url' => __( 'URL' ), 'addMedia' => __( 'Add media' ), 'search' => __( 'Search' ), 'select' => __( 'Select' ), 'cancel' => __( 'Cancel' ), 'update' => __( 'Update' ), 'replace' => __( 'Replace' ), 'remove' => __( 'Remove' ), 'back' => __( 'Back' ), /* * translators: This is a would-be plural string used in the media manager. * If there is not a word you can use in your language to avoid issues with the * lack of plural support here, turn it into "selected: %d" then translate it. */ 'selected' => __( '%d selected' ), 'dragInfo' => __( 'Drag and drop to reorder media files.' ), // Upload. 'uploadFilesTitle' => __( 'Upload files' ), 'uploadImagesTitle' => __( 'Upload images' ), // Library. 'mediaLibraryTitle' => __( 'Media Library' ), 'insertMediaTitle' => __( 'Add media' ), 'createNewGallery' => __( 'Create a new gallery' ), 'createNewPlaylist' => __( 'Create a new playlist' ), 'createNewVideoPlaylist' => __( 'Create a new video playlist' ), 'returnToLibrary' => __( '← Go to library' ), 'allMediaItems' => __( 'All media items' ), 'allDates' => __( 'All dates' ), 'noItemsFound' => __( 'No items found.' ), 'insertIntoPost' => $post_type_object->labels->insert_into_item, 'unattached' => _x( 'Unattached', 'media items' ), 'mine' => _x( 'Mine', 'media items' ), 'trash' => _x( 'Trash', 'noun' ), 'uploadedToThisPost' => $post_type_object->labels->uploaded_to_this_item, 'warnDelete' => __( "You are about to permanently delete this item from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ), 'warnBulkDelete' => __( "You are about to permanently delete these items from your site.\nThis action cannot be undone.\n 'Cancel' to stop, 'OK' to delete." ), 'warnBulkTrash' => __( "You are about to trash these items.\n 'Cancel' to stop, 'OK' to delete." ), 'bulkSelect' => __( 'Bulk select' ), 'trashSelected' => __( 'Move to Trash' ), 'restoreSelected' => __( 'Restore from Trash' ), 'deletePermanently' => __( 'Delete permanently' ), 'errorDeleting' => __( 'Error in deleting the attachment.' ), 'apply' => __( 'Apply' ), 'filterByDate' => __( 'Filter by date' ), 'filterByType' => __( 'Filter by type' ), 'searchLabel' => __( 'Search' ), 'searchMediaLabel' => __( 'Search media' ), // Backward compatibility pre-5.3. 'searchMediaPlaceholder' => __( 'Search media items...' ), // Placeholder (no ellipsis), backward compatibility pre-5.3. /* translators: %d: Number of attachments found in a search. */ 'mediaFound' => __( 'Number of media items found: %d' ), 'noMedia' => __( 'No media items found.' ), 'noMediaTryNewSearch' => __( 'No media items found. Try a different search.' ), // Library Details. 'attachmentDetails' => __( 'Attachment details' ), // From URL. 'insertFromUrlTitle' => __( 'Insert from URL' ), // Featured Images. 'setFeaturedImageTitle' => $post_type_object->labels->featured_image, 'setFeaturedImage' => $post_type_object->labels->set_featured_image, // Gallery. 'createGalleryTitle' => __( 'Create gallery' ), 'editGalleryTitle' => __( 'Edit gallery' ), 'cancelGalleryTitle' => __( '← Cancel gallery' ), 'insertGallery' => __( 'Insert gallery' ), 'updateGallery' => __( 'Update gallery' ), 'addToGallery' => __( 'Add to gallery' ), 'addToGalleryTitle' => __( 'Add to gallery' ), 'reverseOrder' => __( 'Reverse order' ), // Edit Image. 'imageDetailsTitle' => __( 'Image details' ), 'imageReplaceTitle' => __( 'Replace image' ), 'imageDetailsCancel' => __( 'Cancel edit' ), 'editImage' => __( 'Edit image' ), // Crop Image. 'chooseImage' => __( 'Choose image' ), 'selectAndCrop' => __( 'Select and crop' ), 'skipCropping' => __( 'Skip cropping' ), 'cropImage' => __( 'Crop image' ), 'cropYourImage' => __( 'Crop your image' ), 'cropping' => __( 'Cropping…' ), /* translators: 1: Suggested width number, 2: Suggested height number. */ 'suggestedDimensions' => __( 'Suggested image dimensions: %1$s by %2$s pixels.' ), 'cropError' => __( 'There has been an error cropping your image.' ), // Edit Audio. 'audioDetailsTitle' => __( 'Audio details' ), 'audioReplaceTitle' => __( 'Replace audio' ), 'audioAddSourceTitle' => __( 'Add audio source' ), 'audioDetailsCancel' => __( 'Cancel edit' ), // Edit Video. 'videoDetailsTitle' => __( 'Video details' ), 'videoReplaceTitle' => __( 'Replace video' ), 'videoAddSourceTitle' => __( 'Add video source' ), 'videoDetailsCancel' => __( 'Cancel edit' ), 'videoSelectPosterImageTitle' => __( 'Select poster image' ), 'videoAddTrackTitle' => __( 'Add subtitles' ), // Playlist. 'playlistDragInfo' => __( 'Drag and drop to reorder tracks.' ), 'createPlaylistTitle' => __( 'Create audio playlist' ), 'editPlaylistTitle' => __( 'Edit audio playlist' ), 'cancelPlaylistTitle' => __( '← Cancel audio playlist' ), 'insertPlaylist' => __( 'Insert audio playlist' ), 'updatePlaylist' => __( 'Update audio playlist' ), 'addToPlaylist' => __( 'Add to audio playlist' ), 'addToPlaylistTitle' => __( 'Add to Audio Playlist' ), // Video Playlist. 'videoPlaylistDragInfo' => __( 'Drag and drop to reorder videos.' ), 'createVideoPlaylistTitle' => __( 'Create video playlist' ), 'editVideoPlaylistTitle' => __( 'Edit video playlist' ), 'cancelVideoPlaylistTitle' => __( '← Cancel video playlist' ), 'insertVideoPlaylist' => __( 'Insert video playlist' ), 'updateVideoPlaylist' => __( 'Update video playlist' ), 'addToVideoPlaylist' => __( 'Add to video playlist' ), 'addToVideoPlaylistTitle' => __( 'Add to video Playlist' ), // Headings. 'filterAttachments' => __( 'Filter media' ), 'attachmentsList' => __( 'Media list' ), ); /** * Filters the media view settings. * * @since 3.5.0 * * @param array $settings List of media view settings. * @param WP_Post $post Post object. */ $settings = apply_filters( 'media_view_settings', $settings, $post ); /** * Filters the media view strings. * * @since 3.5.0 * * @param string[] $strings Array of media view strings keyed by the name they'll be referenced by in JavaScript. * @param WP_Post $post Post object. */ $strings = apply_filters( 'media_view_strings', $strings, $post ); $strings['settings'] = $settings; /* * Ensure we enqueue media-editor first, that way media-views * is registered internally before we try to localize it. See #24724. */ wp_enqueue_script( 'media-editor' ); wp_localize_script( 'media-views', '_wpMediaViewsL10n', $strings ); wp_enqueue_script( 'media-audiovideo' ); wp_enqueue_style( 'media-views' ); if ( is_admin() ) { wp_enqueue_script( 'mce-view' ); wp_enqueue_script( 'image-edit' ); } wp_enqueue_style( 'imgareaselect' ); wp_plupload_default_settings(); require_once ABSPATH . WPINC . '/media-template.php'; add_action( 'admin_footer', 'wp_print_media_templates' ); add_action( 'wp_footer', 'wp_print_media_templates' ); add_action( 'customize_controls_print_footer_scripts', 'wp_print_media_templates' ); /** * Fires at the conclusion of wp_enqueue_media(). * * @since 3.5.0 */ do_action( 'wp_enqueue_media' ); } /** * Retrieves media attached to the passed post. * * @since 3.6.0 * * @param string $type Mime type. * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @return WP_Post[] Array of media attached to the given post. */ function get_attached_media( $type, $post = 0 ) { $post = get_post( $post ); if ( ! $post ) { return array(); } $args = array( 'post_parent' => $post->ID, 'post_type' => 'attachment', 'post_mime_type' => $type, 'posts_per_page' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', ); /** * Filters arguments used to retrieve media attached to the given post. * * @since 3.6.0 * * @param array $args Post query arguments. * @param string $type Mime type of the desired media. * @param WP_Post $post Post object. */ $args = apply_filters( 'get_attached_media_args', $args, $type, $post ); $children = get_children( $args ); /** * Filters the list of media attached to the given post. * * @since 3.6.0 * * @param WP_Post[] $children Array of media attached to the given post. * @param string $type Mime type of the media desired. * @param WP_Post $post Post object. */ return (array) apply_filters( 'get_attached_media', $children, $type, $post ); } /** * Checks the HTML content for an audio, video, object, embed, or iframe tags. * * @since 3.6.0 * * @param string $content A string of HTML which might contain media elements. * @param string[] $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'. * @return string[] Array of found HTML media elements. */ function get_media_embedded_in_content( $content, $types = null ) { $html = array(); /** * Filters the embedded media types that are allowed to be returned from the content blob. * * @since 4.2.0 * * @param string[] $allowed_media_types An array of allowed media types. Default media types are * 'audio', 'video', 'object', 'embed', and 'iframe'. */ $allowed_media_types = apply_filters( 'media_embedded_in_content_allowed_types', array( 'audio', 'video', 'object', 'embed', 'iframe' ) ); if ( ! empty( $types ) ) { if ( ! is_array( $types ) ) { $types = array( $types ); } $allowed_media_types = array_intersect( $allowed_media_types, $types ); } $tags = implode( '|', $allowed_media_types ); if ( preg_match_all( '#<(?P' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) { foreach ( $matches[0] as $match ) { $html[] = $match; } } return $html; } /** * Retrieves galleries from the passed post's content. * * @since 3.6.0 * * @param int|WP_Post $post Post ID or object. * @param bool $html Optional. Whether to return HTML or data in the array. Default true. * @return array A list of arrays, each containing gallery data and srcs parsed * from the expanded shortcode. */ function get_post_galleries( $post, $html = true ) { $post = get_post( $post ); if ( ! $post ) { return array(); } if ( ! has_shortcode( $post->post_content, 'gallery' ) && ! has_block( 'gallery', $post->post_content ) ) { return array(); } $galleries = array(); if ( preg_match_all( '/' . get_shortcode_regex() . '/s', $post->post_content, $matches, PREG_SET_ORDER ) ) { foreach ( $matches as $shortcode ) { if ( 'gallery' === $shortcode[2] ) { $srcs = array(); $shortcode_attrs = shortcode_parse_atts( $shortcode[3] ); if ( ! is_array( $shortcode_attrs ) ) { $shortcode_attrs = array(); } // Specify the post ID of the gallery we're viewing if the shortcode doesn't reference another post already. if ( ! isset( $shortcode_attrs['id'] ) ) { $shortcode[3] .= ' id="' . (int) $post->ID . '"'; } $gallery = do_shortcode_tag( $shortcode ); if ( $html ) { $galleries[] = $gallery; } else { preg_match_all( '#src=([\'"])(.+?)\1#is', $gallery, $src, PREG_SET_ORDER ); if ( ! empty( $src ) ) { foreach ( $src as $s ) { $srcs[] = $s[2]; } } $galleries[] = array_merge( $shortcode_attrs, array( 'src' => array_values( array_unique( $srcs ) ), ) ); } } } } if ( has_block( 'gallery', $post->post_content ) ) { $post_blocks = parse_blocks( $post->post_content ); while ( $block = array_shift( $post_blocks ) ) { $has_inner_blocks = ! empty( $block['innerBlocks'] ); // Skip blocks with no blockName and no innerHTML. if ( ! $block['blockName'] ) { continue; } // Skip non-Gallery blocks. if ( 'core/gallery' !== $block['blockName'] ) { // Move inner blocks into the root array before skipping. if ( $has_inner_blocks ) { array_push( $post_blocks, ...$block['innerBlocks'] ); } continue; } // New Gallery block format as HTML. if ( $has_inner_blocks && $html ) { $block_html = wp_list_pluck( $block['innerBlocks'], 'innerHTML' ); $galleries[] = '
' . implode( ' ', $block_html ) . '
'; continue; } $srcs = array(); // New Gallery block format as an array. if ( $has_inner_blocks ) { $attrs = wp_list_pluck( $block['innerBlocks'], 'attrs' ); $ids = wp_list_pluck( $attrs, 'id' ); foreach ( $ids as $id ) { $url = wp_get_attachment_url( $id ); if ( is_string( $url ) && ! in_array( $url, $srcs, true ) ) { $srcs[] = $url; } } $galleries[] = array( 'ids' => implode( ',', $ids ), 'src' => $srcs, ); continue; } // Old Gallery block format as HTML. if ( $html ) { $galleries[] = $block['innerHTML']; continue; } // Old Gallery block format as an array. $ids = ! empty( $block['attrs']['ids'] ) ? $block['attrs']['ids'] : array(); // If present, use the image IDs from the JSON blob as canonical. if ( ! empty( $ids ) ) { foreach ( $ids as $id ) { $url = wp_get_attachment_url( $id ); if ( is_string( $url ) && ! in_array( $url, $srcs, true ) ) { $srcs[] = $url; } } $galleries[] = array( 'ids' => implode( ',', $ids ), 'src' => $srcs, ); continue; } // Otherwise, extract srcs from the innerHTML. preg_match_all( '#src=([\'"])(.+?)\1#is', $block['innerHTML'], $found_srcs, PREG_SET_ORDER ); if ( ! empty( $found_srcs[0] ) ) { foreach ( $found_srcs as $src ) { if ( isset( $src[2] ) && ! in_array( $src[2], $srcs, true ) ) { $srcs[] = $src[2]; } } } $galleries[] = array( 'src' => $srcs ); } } /** * Filters the list of all found galleries in the given post. * * @since 3.6.0 * * @param array $galleries Associative array of all found post galleries. * @param WP_Post $post Post object. */ return apply_filters( 'get_post_galleries', $galleries, $post ); } /** * Checks a specified post's content for gallery and, if present, return the first * * @since 3.6.0 * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. * @param bool $html Optional. Whether to return HTML or data. Default is true. * @return string|array Gallery data and srcs parsed from the expanded shortcode. */ function get_post_gallery( $post = 0, $html = true ) { $galleries = get_post_galleries( $post, $html ); $gallery = reset( $galleries ); /** * Filters the first-found post gallery. * * @since 3.6.0 * * @param array $gallery The first-found post gallery. * @param int|WP_Post $post Post ID or object. * @param array $galleries Associative array of all found post galleries. */ return apply_filters( 'get_post_gallery', $gallery, $post, $galleries ); } /** * Retrieves the image srcs from galleries from a post's content, if present. * * @since 3.6.0 * * @see get_post_galleries() * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`. * @return array A list of lists, each containing image srcs parsed. * from an expanded shortcode */ function get_post_galleries_images( $post = 0 ) { $galleries = get_post_galleries( $post, false ); return wp_list_pluck( $galleries, 'src' ); } /** * Checks a post's content for galleries and return the image srcs for the first found gallery. * * @since 3.6.0 * * @see get_post_gallery() * * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`. * @return string[] A list of a gallery's image srcs in order. */ function get_post_gallery_images( $post = 0 ) { $gallery = get_post_gallery( $post, false ); return empty( $gallery['src'] ) ? array() : $gallery['src']; } /** * Maybe attempts to generate attachment metadata, if missing. * * @since 3.9.0 * * @param WP_Post $attachment Attachment object. */ function wp_maybe_generate_attachment_metadata( $attachment ) { if ( empty( $attachment ) || empty( $attachment->ID ) ) { return; } $attachment_id = (int) $attachment->ID; $file = get_attached_file( $attachment_id ); $meta = wp_get_attachment_metadata( $attachment_id ); if ( empty( $meta ) && file_exists( $file ) ) { $_meta = get_post_meta( $attachment_id ); $_lock = 'wp_generating_att_' . $attachment_id; if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) && ! get_transient( $_lock ) ) { set_transient( $_lock, $file ); wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) ); delete_transient( $_lock ); } } } /** * Tries to convert an attachment URL into a post ID. * * @since 4.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $url The URL to resolve. * @return int The found post ID, or 0 on failure. */ function attachment_url_to_postid( $url ) { global $wpdb; $dir = wp_get_upload_dir(); $path = $url; $site_url = parse_url( $dir['url'] ); $image_path = parse_url( $path ); // Force the protocols to match if needed. if ( isset( $image_path['scheme'] ) && ( $image_path['scheme'] !== $site_url['scheme'] ) ) { $path = str_replace( $image_path['scheme'], $site_url['scheme'], $path ); } if ( str_starts_with( $path, $dir['baseurl'] . '/' ) ) { $path = substr( $path, strlen( $dir['baseurl'] . '/' ) ); } $sql = $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s", $path ); $results = $wpdb->get_results( $sql ); $post_id = null; if ( $results ) { // Use the first available result, but prefer a case-sensitive match, if exists. $post_id = reset( $results )->post_id; if ( count( $results ) > 1 ) { foreach ( $results as $result ) { if ( $path === $result->meta_value ) { $post_id = $result->post_id; break; } } } } /** * Filters an attachment ID found by URL. * * @since 4.2.0 * * @param int|null $post_id The post_id (if any) found by the function. * @param string $url The URL being looked up. */ return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url ); } /** * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view. * * @since 4.0.0 * * @return string[] The relevant CSS file URLs. */ function wpview_media_sandbox_styles() { $version = 'ver=' . get_bloginfo( 'version' ); $mediaelement = includes_url( "js/mediaelement/mediaelementplayer-legacy.min.css?$version" ); $wpmediaelement = includes_url( "js/mediaelement/wp-mediaelement.css?$version" ); return array( $mediaelement, $wpmediaelement ); } /** * Registers the personal data exporter for media. * * @param array[] $exporters An array of personal data exporters, keyed by their ID. * @return array[] Updated array of personal data exporters. */ function wp_register_media_personal_data_exporter( $exporters ) { $exporters['wordpress-media'] = array( 'exporter_friendly_name' => __( 'WordPress Media' ), 'callback' => 'wp_media_personal_data_exporter', ); return $exporters; } /** * Finds and exports attachments associated with an email address. * * @since 4.9.6 * * @param string $email_address The attachment owner email address. * @param int $page Attachment page number. * @return array { * An array of personal data. * * @type array[] $data An array of personal data arrays. * @type bool $done Whether the exporter is finished. * } */ function wp_media_personal_data_exporter( $email_address, $page = 1 ) { // Limit us to 50 attachments at a time to avoid timing out. $number = 50; $page = (int) $page; $data_to_export = array(); $user = get_user_by( 'email', $email_address ); if ( false === $user ) { return array( 'data' => $data_to_export, 'done' => true, ); } $post_query = new WP_Query( array( 'author' => $user->ID, 'posts_per_page' => $number, 'paged' => $page, 'post_type' => 'attachment', 'post_status' => 'any', 'orderby' => 'ID', 'order' => 'ASC', ) ); foreach ( (array) $post_query->posts as $post ) { $attachment_url = wp_get_attachment_url( $post->ID ); if ( $attachment_url ) { $post_data_to_export = array( array( 'name' => __( 'URL' ), 'value' => $attachment_url, ), ); $data_to_export[] = array( 'group_id' => 'media', 'group_label' => __( 'Media' ), 'group_description' => __( 'User’s media data.' ), 'item_id' => "post-{$post->ID}", 'data' => $post_data_to_export, ); } } $done = $post_query->max_num_pages <= $page; return array( 'data' => $data_to_export, 'done' => $done, ); } /** * Adds additional default image sub-sizes. * * These sizes are meant to enhance the way WordPress displays images on the front-end on larger, * high-density devices. They make it possible to generate more suitable `srcset` and `sizes` attributes * when the users upload large images. * * The sizes can be changed or removed by themes and plugins but that is not recommended. * The size "names" reflect the image dimensions, so changing the sizes would be quite misleading. * * @since 5.3.0 * @access private */ function _wp_add_additional_image_sizes() { // 2x medium_large size. add_image_size( '1536x1536', 1536, 1536 ); // 2x large size. add_image_size( '2048x2048', 2048, 2048 ); } /** * Callback to enable showing of the user error when uploading .heic images. * * @since 5.5.0 * * @param array[] $plupload_settings The settings for Plupload.js. * @return array[] Modified settings for Plupload.js. */ function wp_show_heic_upload_error( $plupload_settings ) { $plupload_settings['heic_upload_error'] = true; return $plupload_settings; } /** * Allows PHP's getimagesize() to be debuggable when necessary. * * @since 5.7.0 * @since 5.8.0 Added support for WebP images. * * @param string $filename The file path. * @param array $image_info Optional. Extended image information (passed by reference). * @return array|false Array of image information or false on failure. */ function wp_getimagesize( $filename, array &$image_info = null ) { // Don't silence errors when in debug mode, unless running unit tests. if ( defined( 'WP_DEBUG' ) && WP_DEBUG && ! defined( 'WP_RUN_CORE_TESTS' ) ) { if ( 2 === func_num_args() ) { $info = getimagesize( $filename, $image_info ); } else { $info = getimagesize( $filename ); } } else { /* * Silencing notice and warning is intentional. * * getimagesize() has a tendency to generate errors, such as * "corrupt JPEG data: 7191 extraneous bytes before marker", * even when it's able to provide image size information. * * See https://core.trac.wordpress.org/ticket/42480 */ if ( 2 === func_num_args() ) { $info = @getimagesize( $filename, $image_info ); } else { $info = @getimagesize( $filename ); } } if ( false !== $info ) { return $info; } /* * For PHP versions that don't support WebP images, * extract the image size info from the file headers. */ if ( 'image/webp' === wp_get_image_mime( $filename ) ) { $webp_info = wp_get_webp_info( $filename ); $width = $webp_info['width']; $height = $webp_info['height']; // Mimic the native return format. if ( $width && $height ) { return array( $width, $height, IMAGETYPE_WEBP, sprintf( 'width="%d" height="%d"', $width, $height ), 'mime' => 'image/webp', ); } } // The image could not be parsed. return false; } /** * Extracts meta information about a WebP file: width, height, and type. * * @since 5.8.0 * * @param string $filename Path to a WebP file. * @return array { * An array of WebP image information. * * @type int|false $width Image width on success, false on failure. * @type int|false $height Image height on success, false on failure. * @type string|false $type The WebP type: one of 'lossy', 'lossless' or 'animated-alpha'. * False on failure. * } */ function wp_get_webp_info( $filename ) { $width = false; $height = false; $type = false; if ( 'image/webp' !== wp_get_image_mime( $filename ) ) { return compact( 'width', 'height', 'type' ); } $magic = file_get_contents( $filename, false, null, 0, 40 ); if ( false === $magic ) { return compact( 'width', 'height', 'type' ); } // Make sure we got enough bytes. if ( strlen( $magic ) < 40 ) { return compact( 'width', 'height', 'type' ); } /* * The headers are a little different for each of the three formats. * Header values based on WebP docs, see https://developers.google.com/speed/webp/docs/riff_container. */ switch ( substr( $magic, 12, 4 ) ) { // Lossy WebP. case 'VP8 ': $parts = unpack( 'v2', substr( $magic, 26, 4 ) ); $width = (int) ( $parts[1] & 0x3FFF ); $height = (int) ( $parts[2] & 0x3FFF ); $type = 'lossy'; break; // Lossless WebP. case 'VP8L': $parts = unpack( 'C4', substr( $magic, 21, 4 ) ); $width = (int) ( $parts[1] | ( ( $parts[2] & 0x3F ) << 8 ) ) + 1; $height = (int) ( ( ( $parts[2] & 0xC0 ) >> 6 ) | ( $parts[3] << 2 ) | ( ( $parts[4] & 0x03 ) << 10 ) ) + 1; $type = 'lossless'; break; // Animated/alpha WebP. case 'VP8X': // Pad 24-bit int. $width = unpack( 'V', substr( $magic, 24, 3 ) . "\x00" ); $width = (int) ( $width[1] & 0xFFFFFF ) + 1; // Pad 24-bit int. $height = unpack( 'V', substr( $magic, 27, 3 ) . "\x00" ); $height = (int) ( $height[1] & 0xFFFFFF ) + 1; $type = 'animated-alpha'; break; } return compact( 'width', 'height', 'type' ); } /** * Gets loading optimization attributes. * * This function returns an array of attributes that should be merged into the given attributes array to optimize * loading performance. Potential attributes returned by this function are: * - `loading` attribute with a value of "lazy" * - `fetchpriority` attribute with a value of "high" * - `decoding` attribute with a value of "async" * * If any of these attributes are already present in the given attributes, they will not be modified. Note that no * element should have both `loading="lazy"` and `fetchpriority="high"`, so the function will trigger a warning in case * both attributes are present with those values. * * @since 6.3.0 * * @global WP_Query $wp_query WordPress Query object. * * @param string $tag_name The tag name. * @param array $attr Array of the attributes for the tag. * @param string $context Context for the element for which the loading optimization attribute is requested. * @return array Loading optimization attributes. */ function wp_get_loading_optimization_attributes( $tag_name, $attr, $context ) { global $wp_query; /** * Filters whether to short-circuit loading optimization attributes. * * Returning an array from the filter will effectively short-circuit the loading of optimization attributes, * returning that value instead. * * @since 6.4.0 * * @param array|false $loading_attrs False by default, or array of loading optimization attributes to short-circuit. * @param string $tag_name The tag name. * @param array $attr Array of the attributes for the tag. * @param string $context Context for the element for which the loading optimization attribute is requested. */ $loading_attrs = apply_filters( 'pre_wp_get_loading_optimization_attributes', false, $tag_name, $attr, $context ); if ( is_array( $loading_attrs ) ) { return $loading_attrs; } $loading_attrs = array(); /* * Skip lazy-loading for the overall block template, as it is handled more granularly. * The skip is also applicable for `fetchpriority`. */ if ( 'template' === $context ) { /** This filter is documented in wp-includes/media.php */ return apply_filters( 'wp_get_loading_optimization_attributes', $loading_attrs, $tag_name, $attr, $context ); } // For now this function only supports images and iframes. if ( 'img' !== $tag_name && 'iframe' !== $tag_name ) { /** This filter is documented in wp-includes/media.php */ return apply_filters( 'wp_get_loading_optimization_attributes', $loading_attrs, $tag_name, $attr, $context ); } /* * Skip programmatically created images within content blobs as they need to be handled together with the other * images within the post content or widget content. * Without this clause, they would already be considered within their own context which skews the image count and * can result in the first post content image being lazy-loaded or an image further down the page being marked as a * high priority. */ if ( 'the_content' !== $context && doing_filter( 'the_content' ) || 'widget_text_content' !== $context && doing_filter( 'widget_text_content' ) || 'widget_block_content' !== $context && doing_filter( 'widget_block_content' ) ) { /** This filter is documented in wp-includes/media.php */ return apply_filters( 'wp_get_loading_optimization_attributes', $loading_attrs, $tag_name, $attr, $context ); } /* * Add `decoding` with a value of "async" for every image unless it has a * conflicting `decoding` attribute already present. */ if ( 'img' === $tag_name ) { if ( isset( $attr['decoding'] ) ) { $loading_attrs['decoding'] = $attr['decoding']; } else { $loading_attrs['decoding'] = 'async'; } } // For any resources, width and height must be provided, to avoid layout shifts. if ( ! isset( $attr['width'], $attr['height'] ) ) { /** This filter is documented in wp-includes/media.php */ return apply_filters( 'wp_get_loading_optimization_attributes', $loading_attrs, $tag_name, $attr, $context ); } /* * The key function logic starts here. */ $maybe_in_viewport = null; $increase_count = false; $maybe_increase_count = false; // Logic to handle a `loading` attribute that is already provided. if ( isset( $attr['loading'] ) ) { /* * Interpret "lazy" as not in viewport. Any other value can be * interpreted as in viewport (realistically only "eager" or `false` * to force-omit the attribute are other potential values). */ if ( 'lazy' === $attr['loading'] ) { $maybe_in_viewport = false; } else { $maybe_in_viewport = true; } } // Logic to handle a `fetchpriority` attribute that is already provided. if ( isset( $attr['fetchpriority'] ) && 'high' === $attr['fetchpriority'] ) { /* * If the image was already determined to not be in the viewport (e.g. * from an already provided `loading` attribute), trigger a warning. * Otherwise, the value can be interpreted as in viewport, since only * the most important in-viewport image should have `fetchpriority` set * to "high". */ if ( false === $maybe_in_viewport ) { _doing_it_wrong( __FUNCTION__, __( 'An image should not be lazy-loaded and marked as high priority at the same time.' ), '6.3.0' ); /* * Set `fetchpriority` here for backward-compatibility as we should * not override what a developer decided, even though it seems * incorrect. */ $loading_attrs['fetchpriority'] = 'high'; } else { $maybe_in_viewport = true; } } if ( null === $maybe_in_viewport ) { $header_enforced_contexts = array( 'template_part_' . WP_TEMPLATE_PART_AREA_HEADER => true, 'get_header_image_tag' => true, ); /** * Filters the header-specific contexts. * * @since 6.4.0 * * @param array $default_header_enforced_contexts Map of contexts for which elements should be considered * in the header of the page, as $context => $enabled * pairs. The $enabled should always be true. */ $header_enforced_contexts = apply_filters( 'wp_loading_optimization_force_header_contexts', $header_enforced_contexts ); // Consider elements with these header-specific contexts to be in viewport. if ( isset( $header_enforced_contexts[ $context ] ) ) { $maybe_in_viewport = true; $maybe_increase_count = true; } elseif ( ! is_admin() && in_the_loop() && is_main_query() ) { /* * Get the content media count, since this is a main query * content element. This is accomplished by "increasing" * the count by zero, as the only way to get the count is * to call this function. * The actual count increase happens further below, based * on the `$increase_count` flag set here. */ $content_media_count = wp_increase_content_media_count( 0 ); $increase_count = true; // If the count so far is below the threshold, `loading` attribute is omitted. if ( $content_media_count < wp_omit_loading_attr_threshold() ) { $maybe_in_viewport = true; } else { $maybe_in_viewport = false; } } elseif ( // Only apply for main query but before the loop. $wp_query->before_loop && $wp_query->is_main_query() /* * Any image before the loop, but after the header has started should not be lazy-loaded, * except when the footer has already started which can happen when the current template * does not include any loop. */ && did_action( 'get_header' ) && ! did_action( 'get_footer' ) ) { $maybe_in_viewport = true; $maybe_increase_count = true; } } /* * If the element is in the viewport (`true`), potentially add * `fetchpriority` with a value of "high". Otherwise, i.e. if the element * is not not in the viewport (`false`) or it is unknown (`null`), add * `loading` with a value of "lazy". */ if ( $maybe_in_viewport ) { $loading_attrs = wp_maybe_add_fetchpriority_high_attr( $loading_attrs, $tag_name, $attr ); } else { // Only add `loading="lazy"` if the feature is enabled. if ( wp_lazy_loading_enabled( $tag_name, $context ) ) { $loading_attrs['loading'] = 'lazy'; } } /* * If flag was set based on contextual logic above, increase the content * media count, either unconditionally, or based on whether the image size * is larger than the threshold. */ if ( $increase_count ) { wp_increase_content_media_count(); } elseif ( $maybe_increase_count ) { /** This filter is documented in wp-includes/media.php */ $wp_min_priority_img_pixels = apply_filters( 'wp_min_priority_img_pixels', 50000 ); if ( $wp_min_priority_img_pixels <= $attr['width'] * $attr['height'] ) { wp_increase_content_media_count(); } } /** * Filters the loading optimization attributes. * * @since 6.4.0 * * @param array $loading_attrs The loading optimization attributes. * @param string $tag_name The tag name. * @param array $attr Array of the attributes for the tag. * @param string $context Context for the element for which the loading optimization attribute is requested. */ return apply_filters( 'wp_get_loading_optimization_attributes', $loading_attrs, $tag_name, $attr, $context ); } /** * Gets the threshold for how many of the first content media elements to not lazy-load. * * This function runs the {@see 'wp_omit_loading_attr_threshold'} filter, which uses a default threshold value of 3. * The filter is only run once per page load, unless the `$force` parameter is used. * * @since 5.9.0 * * @param bool $force Optional. If set to true, the filter will be (re-)applied even if it already has been before. * Default false. * @return int The number of content media elements to not lazy-load. */ function wp_omit_loading_attr_threshold( $force = false ) { static $omit_threshold; // This function may be called multiple times. Run the filter only once per page load. if ( ! isset( $omit_threshold ) || $force ) { /** * Filters the threshold for how many of the first content media elements to not lazy-load. * * For these first content media elements, the `loading` attribute will be omitted. By default, this is the case * for only the very first content media element. * * @since 5.9.0 * @since 6.3.0 The default threshold was changed from 1 to 3. * * @param int $omit_threshold The number of media elements where the `loading` attribute will not be added. Default 3. */ $omit_threshold = apply_filters( 'wp_omit_loading_attr_threshold', 3 ); } return $omit_threshold; } /** * Increases an internal content media count variable. * * @since 5.9.0 * @access private * * @param int $amount Optional. Amount to increase by. Default 1. * @return int The latest content media count, after the increase. */ function wp_increase_content_media_count( $amount = 1 ) { static $content_media_count = 0; $content_media_count += $amount; return $content_media_count; } /** * Determines whether to add `fetchpriority='high'` to loading attributes. * * @since 6.3.0 * @access private * * @param array $loading_attrs Array of the loading optimization attributes for the element. * @param string $tag_name The tag name. * @param array $attr Array of the attributes for the element. * @return array Updated loading optimization attributes for the element. */ function wp_maybe_add_fetchpriority_high_attr( $loading_attrs, $tag_name, $attr ) { // For now, adding `fetchpriority="high"` is only supported for images. if ( 'img' !== $tag_name ) { return $loading_attrs; } if ( isset( $attr['fetchpriority'] ) ) { /* * While any `fetchpriority` value could be set in `$loading_attrs`, * for consistency we only do it for `fetchpriority="high"` since that * is the only possible value that WordPress core would apply on its * own. */ if ( 'high' === $attr['fetchpriority'] ) { $loading_attrs['fetchpriority'] = 'high'; wp_high_priority_element_flag( false ); } return $loading_attrs; } // Lazy-loading and `fetchpriority="high"` are mutually exclusive. if ( isset( $loading_attrs['loading'] ) && 'lazy' === $loading_attrs['loading'] ) { return $loading_attrs; } if ( ! wp_high_priority_element_flag() ) { return $loading_attrs; } /** * Filters the minimum square-pixels threshold for an image to be eligible as the high-priority image. * * @since 6.3.0 * * @param int $threshold Minimum square-pixels threshold. Default 50000. */ $wp_min_priority_img_pixels = apply_filters( 'wp_min_priority_img_pixels', 50000 ); if ( $wp_min_priority_img_pixels <= $attr['width'] * $attr['height'] ) { $loading_attrs['fetchpriority'] = 'high'; wp_high_priority_element_flag( false ); } return $loading_attrs; } /** * Accesses a flag that indicates if an element is a possible candidate for `fetchpriority='high'`. * * @since 6.3.0 * @access private * * @param bool $value Optional. Used to change the static variable. Default null. * @return bool Returns true if high-priority element was marked already, otherwise false. */ function wp_high_priority_element_flag( $value = null ) { static $high_priority_element = true; if ( is_bool( $value ) ) { $high_priority_element = $value; } return $high_priority_element; }