ng $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';
require_once ABSPATH . WPINC . '/class-avif-info.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 input 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;
}
// Check if AVIF images can be edited.
if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/avif' ) ) ) {
$defaults['avif_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, '.svg' ),
'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, '.svg' );
$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 media' ),
'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] );
// 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.
* @since 6.5.0 Added support for AVIF 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 (
! empty( $info ) &&
// Some PHP versions return 0x0 sizes from `getimagesize` for unrecognized image formats, including AVIFs.
! ( empty( $info[0] ) && empty( $info[1] ) )
) {
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',
);
}
}
// For PHP versions that don't support AVIF images, extract the image size info from the file headers.
if ( 'image/avif' === wp_get_image_mime( $filename ) ) {
$avif_info = wp_get_avif_info( $filename );
$width = $avif_info['width'];
$height = $avif_info['height'];
// Mimic the native return format.
if ( $width && $height ) {
return array(
$width,
$height,
IMAGETYPE_AVIF,
sprintf(
'width="%d" height="%d"',
$width,
$height
),
'mime' => 'image/avif',
);
}
}
// The image could not be parsed.
return false;
}
/**
* Extracts meta information about an AVIF file: width, height, bit depth, and number of channels.
*
* @since 6.5.0
*
* @param string $filename Path to an AVIF file.
* @return array {
* An array of AVIF 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 int|false $bit_depth Image bit depth on success, false on failure.
* @type int|false $num_channels Image number of channels on success, false on failure.
* }
*/
function wp_get_avif_info( $filename ) {
$results = array(
'width' => false,
'height' => false,
'bit_depth' => false,
'num_channels' => false,
);
if ( 'image/avif' !== wp_get_image_mime( $filename ) ) {
return $results;
}
// Parse the file using libavifinfo's PHP implementation.
require_once ABSPATH . WPINC . '/class-avif-info.php';
$handle = fopen( $filename, 'rb' );
if ( $handle ) {
$parser = new Avifinfo\Parser( $handle );
$success = $parser->parse_ftyp() && $parser->parse_file();
fclose( $handle );
if ( $success ) {
$results = $parser->features->primary_item_features;
}
}
return $results;
}
/**
* 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;
}
otherwise.
*
* @since 6.5.0
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the script module ID to register when multiple
* items passed. Default 0.
* @return string|false Script module ID or false on failure.
*/
function register_block_script_module_id( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$module_id = $metadata[ $field_name ];
if ( is_array( $module_id ) ) {
if ( empty( $module_id[ $index ] ) ) {
return false;
}
$module_id = $module_id[ $index ];
}
$module_path = remove_block_asset_path_prefix( $module_id );
if ( $module_id === $module_path ) {
return $module_id;
}
$path = dirname( $metadata['file'] );
$module_asset_raw_path = $path . '/' . substr_replace( $module_path, '.asset.php', - strlen( '.js' ) );
$module_id = generate_block_asset_handle( $metadata['name'], $field_name, $index );
$module_asset_path = wp_normalize_path(
realpath( $module_asset_raw_path )
);
$module_path_norm = wp_normalize_path( realpath( $path . '/' . $module_path ) );
$module_uri = get_block_asset_url( $module_path_norm );
$module_asset = ! empty( $module_asset_path ) ? require $module_asset_path : array();
$module_dependencies = isset( $module_asset['dependencies'] ) ? $module_asset['dependencies'] : array();
$block_version = isset( $metadata['version'] ) ? $metadata['version'] : false;
$module_version = isset( $module_asset['version'] ) ? $module_asset['version'] : $block_version;
wp_register_script_module(
$module_id,
$module_uri,
$module_dependencies,
$module_version
);
return $module_id;
}
/**
* Finds a script handle for the selected block metadata field. It detects
* when a path to file was provided and optionally finds a corresponding asset
* file with details necessary to register the script under automatically
* generated handle name. It returns unprocessed script handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
* @since 6.5.0 The asset file is optional. Added script handle support in the asset file.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the script to register when multiple items passed.
* Default 0.
* @return string|false Script handle provided directly or created through
* script's registration, or false on failure.
*/
function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$script_handle_or_path = $metadata[ $field_name ];
if ( is_array( $script_handle_or_path ) ) {
if ( empty( $script_handle_or_path[ $index ] ) ) {
return false;
}
$script_handle_or_path = $script_handle_or_path[ $index ];
}
$script_path = remove_block_asset_path_prefix( $script_handle_or_path );
if ( $script_handle_or_path === $script_path ) {
return $script_handle_or_path;
}
$path = dirname( $metadata['file'] );
$script_asset_raw_path = $path . '/' . substr_replace( $script_path, '.asset.php', - strlen( '.js' ) );
$script_asset_path = wp_normalize_path(
realpath( $script_asset_raw_path )
);
// Asset file for blocks is optional. See https://core.trac.wordpress.org/ticket/60460.
$script_asset = ! empty( $script_asset_path ) ? require $script_asset_path : array();
$script_handle = isset( $script_asset['handle'] ) ?
$script_asset['handle'] :
generate_block_asset_handle( $metadata['name'], $field_name, $index );
if ( wp_script_is( $script_handle, 'registered' ) ) {
return $script_handle;
}
$script_path_norm = wp_normalize_path( realpath( $path . '/' . $script_path ) );
$script_uri = get_block_asset_url( $script_path_norm );
$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
$block_version = isset( $metadata['version'] ) ? $metadata['version'] : false;
$script_version = isset( $script_asset['version'] ) ? $script_asset['version'] : $block_version;
$script_args = array();
if ( 'viewScript' === $field_name && $script_uri ) {
$script_args['strategy'] = 'defer';
}
$result = wp_register_script(
$script_handle,
$script_uri,
$script_dependencies,
$script_version,
$script_args
);
if ( ! $result ) {
return false;
}
if ( ! empty( $metadata['textdomain'] ) && in_array( 'wp-i18n', $script_dependencies, true ) ) {
wp_set_script_translations( $script_handle, $metadata['textdomain'] );
}
return $script_handle;
}
/**
* Finds a style handle for the block metadata field. It detects when a path
* to file was provided and registers the style under automatically
* generated handle name. It returns unprocessed style handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the style to register when multiple items passed.
* Default 0.
* @return string|false Style handle provided directly or created through
* style's registration, or false on failure.
*/
function register_block_style_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$style_handle = $metadata[ $field_name ];
if ( is_array( $style_handle ) ) {
if ( empty( $style_handle[ $index ] ) ) {
return false;
}
$style_handle = $style_handle[ $index ];
}
$style_handle_name = generate_block_asset_handle( $metadata['name'], $field_name, $index );
// If the style handle is already registered, skip re-registering.
if ( wp_style_is( $style_handle_name, 'registered' ) ) {
return $style_handle_name;
}
static $wpinc_path_norm = '';
if ( ! $wpinc_path_norm ) {
$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
}
$is_core_block = isset( $metadata['file'] ) && str_starts_with( $metadata['file'], $wpinc_path_norm );
// Skip registering individual styles for each core block when a bundled version provided.
if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
return false;
}
$style_path = remove_block_asset_path_prefix( $style_handle );
$is_style_handle = $style_handle === $style_path;
// Allow only passing style handles for core blocks.
if ( $is_core_block && ! $is_style_handle ) {
return false;
}
// Return the style handle unless it's the first item for every core block that requires special treatment.
if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) {
return $style_handle;
}
// Check whether styles should have a ".min" suffix or not.
$suffix = SCRIPT_DEBUG ? '' : '.min';
if ( $is_core_block ) {
$style_path = ( 'editorStyle' === $field_name ) ? "editor{$suffix}.css" : "style{$suffix}.css";
}
$style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) );
$style_uri = get_block_asset_url( $style_path_norm );
$version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
$result = wp_register_style(
$style_handle_name,
$style_uri,
array(),
$version
);
if ( ! $result ) {
return false;
}
if ( $style_uri ) {
wp_style_add_data( $style_handle_name, 'path', $style_path_norm );
if ( $is_core_block ) {
$rtl_file = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $style_path_norm );
} else {
$rtl_file = str_replace( '.css', '-rtl.css', $style_path_norm );
}
if ( is_rtl() && file_exists( $rtl_file ) ) {
wp_style_add_data( $style_handle_name, 'rtl', 'replace' );
wp_style_add_data( $style_handle_name, 'suffix', $suffix );
wp_style_add_data( $style_handle_name, 'path', $rtl_file );
}
}
return $style_handle_name;
}
/**
* Gets i18n schema for block's metadata read from `block.json` file.
*
* @since 5.9.0
*
* @return object The schema for block's metadata.
*/
function get_block_metadata_i18n_schema() {
static $i18n_block_schema;
if ( ! isset( $i18n_block_schema ) ) {
$i18n_block_schema = wp_json_file_decode( __DIR__ . '/block-i18n.json' );
}
return $i18n_block_schema;
}
/**
* Registers a block type from the metadata stored in the `block.json` file.
*
* @since 5.5.0
* @since 5.7.0 Added support for `textdomain` field and i18n handling for all translatable fields.
* @since 5.9.0 Added support for `variations` and `viewScript` fields.
* @since 6.1.0 Added support for `render` field.
* @since 6.3.0 Added `selectors` field.
* @since 6.4.0 Added support for `blockHooks` field.
* @since 6.5.0 Added support for `allowedBlocks`, `viewScriptModule`, and `viewStyle` fields.
*
* @param string $file_or_folder Path to the JSON file with metadata definition for
* the block or path to the folder where the `block.json` file is located.
* If providing the path to a JSON file, the filename must end with `block.json`.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
/*
* Get an array of metadata from a PHP file.
* This improves performance for core blocks as it's only necessary to read a single PHP file
* instead of reading a JSON file per-block, and then decoding from JSON to PHP.
* Using a static variable ensures that the metadata is only read once per request.
*/
static $core_blocks_meta;
if ( ! $core_blocks_meta ) {
$core_blocks_meta = require ABSPATH . WPINC . '/blocks/blocks-json.php';
}
$metadata_file = ( ! str_ends_with( $file_or_folder, 'block.json' ) ) ?
trailingslashit( $file_or_folder ) . 'block.json' :
$file_or_folder;
$is_core_block = str_starts_with( $file_or_folder, ABSPATH . WPINC );
// If the block is not a core block, the metadata file must exist.
$metadata_file_exists = $is_core_block || file_exists( $metadata_file );
if ( ! $metadata_file_exists && empty( $args['name'] ) ) {
return false;
}
// Try to get metadata from the static cache for core blocks.
$metadata = array();
if ( $is_core_block ) {
$core_block_name = str_replace( ABSPATH . WPINC . '/blocks/', '', $file_or_folder );
if ( ! empty( $core_blocks_meta[ $core_block_name ] ) ) {
$metadata = $core_blocks_meta[ $core_block_name ];
}
}
// If metadata is not found in the static cache, read it from the file.
if ( $metadata_file_exists && empty( $metadata ) ) {
$metadata = wp_json_file_decode( $metadata_file, array( 'associative' => true ) );
}
if ( ! is_array( $metadata ) || ( empty( $metadata['name'] ) && empty( $args['name'] ) ) ) {
return false;
}
$metadata['file'] = $metadata_file_exists ? wp_normalize_path( realpath( $metadata_file ) ) : null;
/**
* Filters the metadata provided for registering a block type.
*
* @since 5.7.0
*
* @param array $metadata Metadata for registering a block type.
*/
$metadata = apply_filters( 'block_type_metadata', $metadata );
// Add `style` and `editor_style` for core blocks if missing.
if ( ! empty( $metadata['name'] ) && str_starts_with( $metadata['name'], 'core/' ) ) {
$block_name = str_replace( 'core/', '', $metadata['name'] );
if ( ! isset( $metadata['style'] ) ) {
$metadata['style'] = "wp-block-$block_name";
}
if ( current_theme_supports( 'wp-block-styles' ) && wp_should_load_separate_core_block_assets() ) {
$metadata['style'] = (array) $metadata['style'];
$metadata['style'][] = "wp-block-{$block_name}-theme";
}
if ( ! isset( $metadata['editorStyle'] ) ) {
$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
}
}
$settings = array();
$property_mappings = array(
'apiVersion' => 'api_version',
'name' => 'name',
'title' => 'title',
'category' => 'category',
'parent' => 'parent',
'ancestor' => 'ancestor',
'icon' => 'icon',
'description' => 'description',
'keywords' => 'keywords',
'attributes' => 'attributes',
'providesContext' => 'provides_context',
'usesContext' => 'uses_context',
'selectors' => 'selectors',
'supports' => 'supports',
'styles' => 'styles',
'variations' => 'variations',
'example' => 'example',
'allowedBlocks' => 'allowed_blocks',
);
$textdomain = ! empty( $metadata['textdomain'] ) ? $metadata['textdomain'] : null;
$i18n_schema = get_block_metadata_i18n_schema();
foreach ( $property_mappings as $key => $mapped_key ) {
if ( isset( $metadata[ $key ] ) ) {
$settings[ $mapped_key ] = $metadata[ $key ];
if ( $metadata_file_exists && $textdomain && isset( $i18n_schema->$key ) ) {
$settings[ $mapped_key ] = translate_settings_using_i18n_schema( $i18n_schema->$key, $settings[ $key ], $textdomain );
}
}
}
if ( ! empty( $metadata['render'] ) ) {
$template_path = wp_normalize_path(
realpath(
dirname( $metadata['file'] ) . '/' .
remove_block_asset_path_prefix( $metadata['render'] )
)
);
if ( $template_path ) {
/**
* Renders the block on the server.
*
* @since 6.1.0
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the block content.
*/
$settings['render_callback'] = static function ( $attributes, $content, $block ) use ( $template_path ) {
ob_start();
require $template_path;
return ob_get_clean();
};
}
}
$settings = array_merge( $settings, $args );
$script_fields = array(
'editorScript' => 'editor_script_handles',
'script' => 'script_handles',
'viewScript' => 'view_script_handles',
);
foreach ( $script_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$scripts = $metadata[ $metadata_field_name ];
$processed_scripts = array();
if ( is_array( $scripts ) ) {
for ( $index = 0; $index < count( $scripts ); $index++ ) {
$result = register_block_script_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
} else {
$result = register_block_script_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_scripts;
}
}
$module_fields = array(
'viewScriptModule' => 'view_script_module_ids',
);
foreach ( $module_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$modules = $metadata[ $metadata_field_name ];
$processed_modules = array();
if ( is_array( $modules ) ) {
for ( $index = 0; $index < count( $modules ); $index++ ) {
$result = register_block_script_module_id(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_modules[] = $result;
}
}
} else {
$result = register_block_script_module_id(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_modules[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_modules;
}
}
$style_fields = array(
'editorStyle' => 'editor_style_handles',
'style' => 'style_handles',
'viewStyle' => 'view_style_handles',
);
foreach ( $style_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$styles = $metadata[ $metadata_field_name ];
$processed_styles = array();
if ( is_array( $styles ) ) {
for ( $index = 0; $index < count( $styles ); $index++ ) {
$result = register_block_style_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_styles[] = $result;
}
}
} else {
$result = register_block_style_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_styles[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_styles;
}
}
if ( ! empty( $metadata['blockHooks'] ) ) {
/**
* Map camelCased position string (from block.json) to snake_cased block type position.
*
* @var array
*/
$position_mappings = array(
'before' => 'before',
'after' => 'after',
'firstChild' => 'first_child',
'lastChild' => 'last_child',
);
$settings['block_hooks'] = array();
foreach ( $metadata['blockHooks'] as $anchor_block_name => $position ) {
// Avoid infinite recursion (hooking to itself).
if ( $metadata['name'] === $anchor_block_name ) {
_doing_it_wrong(
__METHOD__,
__( 'Cannot hook block to itself.' ),
'6.4.0'
);
continue;
}
if ( ! isset( $position_mappings[ $position ] ) ) {
continue;
}
$settings['block_hooks'][ $anchor_block_name ] = $position_mappings[ $position ];
}
}
/**
* Filters the settings determined from the block type metadata.
*
* @since 5.7.0
*
* @param array $settings Array of determined settings for registering a block type.
* @param array $metadata Metadata provided for registering a block type.
*/
$settings = apply_filters( 'block_type_metadata_settings', $settings, $metadata );
$metadata['name'] = ! empty( $settings['name'] ) ? $settings['name'] : $metadata['name'];
return WP_Block_Type_Registry::get_instance()->register(
$metadata['name'],
$settings
);
}
/**
* Registers a block type. The recommended way is to register a block type using
* the metadata stored in the `block.json` file.
*
* @since 5.0.0
* @since 5.8.0 First parameter now accepts a path to the `block.json` file.
*
* @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively
* a path to the JSON file with metadata definition for the block,
* or a path to the folder where the `block.json` file is located,
* or a complete WP_Block_Type instance.
* In case a WP_Block_Type is provided, the $args parameter will be ignored.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
*
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type( $block_type, $args = array() ) {
if ( is_string( $block_type ) && file_exists( $block_type ) ) {
return register_block_type_from_metadata( $block_type, $args );
}
return WP_Block_Type_Registry::get_instance()->register( $block_type, $args );
}
/**
* Unregisters a block type.
*
* @since 5.0.0
*
* @param string|WP_Block_Type $name Block type name including namespace, or alternatively
* a complete WP_Block_Type instance.
* @return WP_Block_Type|false The unregistered block type on success, or false on failure.
*/
function unregister_block_type( $name ) {
return WP_Block_Type_Registry::get_instance()->unregister( $name );
}
/**
* Determines whether a post or content string has blocks.
*
* This test optimizes for performance rather than strict accuracy, detecting
* the pattern of a block but not validating its structure. For strict accuracy,
* you should use the block parser on post content.
*
* @since 5.0.0
*
* @see parse_blocks()
*
* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
* Defaults to global $post.
* @return bool Whether the post has blocks.
*/
function has_blocks( $post = null ) {
if ( ! is_string( $post ) ) {
$wp_post = get_post( $post );
if ( ! $wp_post instanceof WP_Post ) {
return false;
}
$post = $wp_post->post_content;
}
return str_contains( (string) $post, '' ) + strlen( '-->' );
$end = strrpos( $serialized_block, '', $serialized_block_name, $serialized_attributes );
}
return sprintf(
'%s',
$serialized_block_name,
$serialized_attributes,
$block_content,
$serialized_block_name
);
}
/**
* Returns the content of a block, including comment delimiters, serializing all
* attributes from the given parsed block.
*
* This should be used when preparing a block to be saved to post content.
* Prefer `render_block` when preparing a block for display. Unlike
* `render_block`, this does not evaluate a block's `render_callback`, and will
* instead preserve the markup as parsed.
*
* @since 5.3.1
*
* @param array $block {
* A representative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @return string String of rendered HTML.
*/
function serialize_block( $block ) {
$block_content = '';
$index = 0;
foreach ( $block['innerContent'] as $chunk ) {
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
}
if ( ! is_array( $block['attrs'] ) ) {
$block['attrs'] = array();
}
return get_comment_delimited_block_content(
$block['blockName'],
$block['attrs'],
$block_content
);
}
/**
* Returns a joined string of the aggregate serialization of the given
* parsed blocks.
*
* @since 5.3.1
*
* @param array[] $blocks {
* Array of block structures.
*
* @type array ...$0 {
* A representative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* }
* @return string String of rendered HTML.
*/
function serialize_blocks( $blocks ) {
return implode( '', array_map( 'serialize_block', $blocks ) );
}
/**
* Traverses a parsed block tree and applies callbacks before and after serializing it.
*
* Recursively traverses the block and its inner blocks and applies the two callbacks provided as
* arguments, the first one before serializing the block, and the second one after serializing it.
* If either callback returns a string value, it will be prepended and appended to the serialized
* block markup, respectively.
*
* The callbacks will receive a reference to the current block as their first argument, so that they
* can also modify it, and the current block's parent block as second argument. Finally, the
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
* the next block as third argument.
*
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
*
* This function should be used when there is a need to modify the saved block, or to inject markup
* into the return value. Prefer `serialize_block` when preparing a block to be saved to post content.
*
* This function is meant for internal use only.
*
* @since 6.4.0
* @access private
*
* @see serialize_block()
*
* @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block.
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $previous_block.
* Its string return value will be prepended to the serialized block markup.
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $next_block.
* Its string return value will be appended to the serialized block markup.
* @return string Serialized block markup.
*/
function traverse_and_serialize_block( $block, $pre_callback = null, $post_callback = null ) {
$block_content = '';
$block_index = 0;
foreach ( $block['innerContent'] as $chunk ) {
if ( is_string( $chunk ) ) {
$block_content .= $chunk;
} else {
$inner_block = $block['innerBlocks'][ $block_index ];
if ( is_callable( $pre_callback ) ) {
$prev = 0 === $block_index
? null
: $block['innerBlocks'][ $block_index - 1 ];
$block_content .= call_user_func_array(
$pre_callback,
array( &$inner_block, &$block, $prev )
);
}
if ( is_callable( $post_callback ) ) {
$next = count( $block['innerBlocks'] ) - 1 === $block_index
? null
: $block['innerBlocks'][ $block_index + 1 ];
$post_markup = call_user_func_array(
$post_callback,
array( &$inner_block, &$block, $next )
);
}
$block_content .= traverse_and_serialize_block( $inner_block, $pre_callback, $post_callback );
$block_content .= isset( $post_markup ) ? $post_markup : '';
++$block_index;
}
}
if ( ! is_array( $block['attrs'] ) ) {
$block['attrs'] = array();
}
return get_comment_delimited_block_content(
$block['blockName'],
$block['attrs'],
$block_content
);
}
/**
* Replaces patterns in a block tree with their content.
*
* @since 6.6.0
*
* @param array $blocks An array blocks.
*
* @return array An array of blocks with patterns replaced by their content.
*/
function resolve_pattern_blocks( $blocks ) {
static $inner_content;
// Keep track of seen references to avoid infinite loops.
static $seen_refs = array();
$i = 0;
while ( $i < count( $blocks ) ) {
if ( 'core/pattern' === $blocks[ $i ]['blockName'] ) {
$attrs = $blocks[ $i ]['attrs'];
if ( empty( $attrs['slug'] ) ) {
++$i;
continue;
}
$slug = $attrs['slug'];
if ( isset( $seen_refs[ $slug ] ) ) {
// Skip recursive patterns.
array_splice( $blocks, $i, 1 );
continue;
}
$registry = WP_Block_Patterns_Registry::get_instance();
$pattern = $registry->get_registered( $slug );
// Skip unknown patterns.
if ( ! $pattern ) {
++$i;
continue;
}
$blocks_to_insert = parse_blocks( $pattern['content'] );
$seen_refs[ $slug ] = true;
$prev_inner_content = $inner_content;
$inner_content = null;
$blocks_to_insert = resolve_pattern_blocks( $blocks_to_insert );
$inner_content = $prev_inner_content;
unset( $seen_refs[ $slug ] );
array_splice( $blocks, $i, 1, $blocks_to_insert );
// If we have inner content, we need to insert nulls in the
// inner content array, otherwise serialize_blocks will skip
// blocks.
if ( $inner_content ) {
$null_indices = array_keys( $inner_content, null, true );
$content_index = $null_indices[ $i ];
$nulls = array_fill( 0, count( $blocks_to_insert ), null );
array_splice( $inner_content, $content_index, 1, $nulls );
}
// Skip inserted blocks.
$i += count( $blocks_to_insert );
} else {
if ( ! empty( $blocks[ $i ]['innerBlocks'] ) ) {
$prev_inner_content = $inner_content;
$inner_content = $blocks[ $i ]['innerContent'];
$blocks[ $i ]['innerBlocks'] = resolve_pattern_blocks(
$blocks[ $i ]['innerBlocks']
);
$blocks[ $i ]['innerContent'] = $inner_content;
$inner_content = $prev_inner_content;
}
++$i;
}
}
return $blocks;
}
/**
* Given an array of parsed block trees, applies callbacks before and after serializing them and
* returns their concatenated output.
*
* Recursively traverses the blocks and their inner blocks and applies the two callbacks provided as
* arguments, the first one before serializing a block, and the second one after serializing.
* If either callback returns a string value, it will be prepended and appended to the serialized
* block markup, respectively.
*
* The callbacks will receive a reference to the current block as their first argument, so that they
* can also modify it, and the current block's parent block as second argument. Finally, the
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
* the next block as third argument.
*
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
*
* This function should be used when there is a need to modify the saved blocks, or to inject markup
* into the return value. Prefer `serialize_blocks` when preparing blocks to be saved to post content.
*
* This function is meant for internal use only.
*
* @since 6.4.0
* @access private
*
* @see serialize_blocks()
*
* @param array[] $blocks An array of parsed blocks. See WP_Block_Parser_Block.
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $previous_block.
* Its string return value will be prepended to the serialized block markup.
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $next_block.
* Its string return value will be appended to the serialized block markup.
* @return string Serialized block markup.
*/
function traverse_and_serialize_blocks( $blocks, $pre_callback = null, $post_callback = null ) {
$result = '';
$parent_block = null; // At the top level, there is no parent block to pass to the callbacks; yet the callbacks expect a reference.
foreach ( $blocks as $index => $block ) {
if ( is_callable( $pre_callback ) ) {
$prev = 0 === $index
? null
: $blocks[ $index - 1 ];
$result .= call_user_func_array(
$pre_callback,
array( &$block, &$parent_block, $prev )
);
}
if ( is_callable( $post_callback ) ) {
$next = count( $blocks ) - 1 === $index
? null
: $blocks[ $index + 1 ];
$post_markup = call_user_func_array(
$post_callback,
array( &$block, &$parent_block, $next )
);
}
$result .= traverse_and_serialize_block( $block, $pre_callback, $post_callback );
$result .= isset( $post_markup ) ? $post_markup : '';
}
return $result;
}
/**
* Filters and sanitizes block content to remove non-allowable HTML
* from parsed block attribute values.
*
* @since 5.3.1
*
* @param string $text Text that may contain block content.
* @param array[]|string $allowed_html Optional. An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names. Default 'post'.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return string The filtered and sanitized content result.
*/
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
$result = '';
if ( str_contains( $text, '' ) ) {
$text = preg_replace_callback( '%%', '_filter_block_content_callback', $text );
}
$blocks = parse_blocks( $text );
foreach ( $blocks as $block ) {
$block = filter_block_kses( $block, $allowed_html, $allowed_protocols );
$result .= serialize_block( $block );
}
return $result;
}
/**
* Callback used for regular expression replacement in filter_block_content().
*
* @since 6.2.1
* @access private
*
* @param array $matches Array of preg_replace_callback matches.
* @return string Replacement string.
*/
function _filter_block_content_callback( $matches ) {
return '';
}
/**
* Filters and sanitizes a parsed block to remove non-allowable HTML
* from block attribute values.
*
* @since 5.3.1
*
* @param WP_Block_Parser_Block $block The parsed block object.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return array The filtered and sanitized block object result.
*/
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols, $block );
if ( is_array( $block['innerBlocks'] ) ) {
foreach ( $block['innerBlocks'] as $i => $inner_block ) {
$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
}
}
return $block;
}
/**
* Filters and sanitizes a parsed block attribute value to remove
* non-allowable HTML.
*
* @since 5.3.1
* @since 6.5.5 Added the `$block_context` parameter.
*
* @param string[]|string $value The attribute value to filter.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @param array $block_context Optional. The block the attribute belongs to, in parsed block array format.
* @return string[]|string The filtered and sanitized result.
*/
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array(), $block_context = null ) {
if ( is_array( $value ) ) {
foreach ( $value as $key => $inner_value ) {
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols, $block_context );
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols, $block_context );
if ( isset( $block_context['blockName'] ) && 'core/template-part' === $block_context['blockName'] ) {
$filtered_value = filter_block_core_template_part_attributes( $filtered_value, $filtered_key, $allowed_html );
}
if ( $filtered_key !== $key ) {
unset( $value[ $key ] );
}
$value[ $filtered_key ] = $filtered_value;
}
} elseif ( is_string( $value ) ) {
return wp_kses( $value, $allowed_html, $allowed_protocols );
}
return $value;
}
/**
* Sanitizes the value of the Template Part block's `tagName` attribute.
*
* @since 6.5.5
*
* @param string $attribute_value The attribute value to filter.
* @param string $attribute_name The attribute name.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @return string The sanitized attribute value.
*/
function filter_block_core_template_part_attributes( $attribute_value, $attribute_name, $allowed_html ) {
if ( empty( $attribute_value ) || 'tagName' !== $attribute_name ) {
return $attribute_value;
}
if ( ! is_array( $allowed_html ) ) {
$allowed_html = wp_kses_allowed_html( $allowed_html );
}
return isset( $allowed_html[ $attribute_value ] ) ? $attribute_value : '';
}
/**
* Parses blocks out of a content string, and renders those appropriate for the excerpt.
*
* As the excerpt should be a small string of text relevant to the full post content,
* this function renders the blocks that are most likely to contain such text.
*
* @since 5.0.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_blocks( $content ) {
if ( ! has_blocks( $content ) ) {
return $content;
}
$allowed_inner_blocks = array(
// Classic blocks have their blockName set to null.
null,
'core/freeform',
'core/heading',
'core/html',
'core/list',
'core/media-text',
'core/paragraph',
'core/preformatted',
'core/pullquote',
'core/quote',
'core/table',
'core/verse',
);
$allowed_wrapper_blocks = array(
'core/columns',
'core/column',
'core/group',
);
/**
* Filters the list of blocks that can be used as wrapper blocks, allowing
* excerpts to be generated from the `innerBlocks` of these wrappers.
*
* @since 5.8.0
*
* @param string[] $allowed_wrapper_blocks The list of names of allowed wrapper blocks.
*/
$allowed_wrapper_blocks = apply_filters( 'excerpt_allowed_wrapper_blocks', $allowed_wrapper_blocks );
$allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks );
/**
* Filters the list of blocks that can contribute to the excerpt.
*
* If a dynamic block is added to this list, it must not generate another
* excerpt, as this will cause an infinite loop to occur.
*
* @since 5.0.0
*
* @param string[] $allowed_blocks The list of names of allowed blocks.
*/
$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
$blocks = parse_blocks( $content );
$output = '';
foreach ( $blocks as $block ) {
if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
if ( ! empty( $block['innerBlocks'] ) ) {
if ( in_array( $block['blockName'], $allowed_wrapper_blocks, true ) ) {
$output .= _excerpt_render_inner_blocks( $block, $allowed_blocks );
continue;
}
// Skip the block if it has disallowed or nested inner blocks.
foreach ( $block['innerBlocks'] as $inner_block ) {
if (
! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) ||
! empty( $inner_block['innerBlocks'] )
) {
continue 2;
}
}
}
$output .= render_block( $block );
}
}
return $output;
}
/**
* Parses footnotes markup out of a content string,
* and renders those appropriate for the excerpt.
*
* @since 6.3.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_footnotes( $content ) {
if ( ! str_contains( $content, 'data-fn=' ) ) {
return $content;
}
return preg_replace(
'_\s*\d+\s*_',
'',
$content
);
}
/**
* Renders inner blocks from the allowed wrapper blocks
* for generating an excerpt.
*
* @since 5.8.0
* @access private
*
* @param array $parsed_block The parsed block.
* @param array $allowed_blocks The list of allowed inner blocks.
* @return string The rendered inner blocks.
*/
function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
$output = '';
foreach ( $parsed_block['innerBlocks'] as $inner_block ) {
if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) {
continue;
}
if ( empty( $inner_block['innerBlocks'] ) ) {
$output .= render_block( $inner_block );
} else {
$output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks );
}
}
return $output;
}
/**
* Renders a single block into a HTML string.
*
* @since 5.0.0
*
* @global WP_Post $post The post to edit.
*
* @param array $parsed_block {
* A representative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @return string String of rendered HTML.
*/
function render_block( $parsed_block ) {
global $post;
$parent_block = null;
/**
* Allows render_block() to be short-circuited, by returning a non-null value.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param string|null $pre_render The pre-rendered content. Default null.
* @param array $parsed_block {
* A representative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block );
if ( ! is_null( $pre_render ) ) {
return $pre_render;
}
$source_block = $parsed_block;
/**
* Filters the block being rendered in render_block(), before it's processed.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $parsed_block {
* A representative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param array $source_block {
* An un-modified copy of `$parsed_block`, as it appeared in the source content.
* See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block );
$context = array();
if ( $post instanceof WP_Post ) {
$context['postId'] = $post->ID;
/*
* The `postType` context is largely unnecessary server-side, since the ID
* is usually sufficient on its own. That being said, since a block's
* manifest is expected to be shared between the server and the client,
* it should be included to consistently fulfill the expectation.
*/
$context['postType'] = $post->post_type;
}
/**
* Filters the default context provided to a rendered block.
*
* @since 5.5.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $context Default context.
* @param array $parsed_block {
* A representative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block );
$block = new WP_Block( $parsed_block, $context );
return $block->render();
}
/**
* Parses blocks out of a content string.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return array[] {
* Array of block structures.
*
* @type array ...$0 {
* A representative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* }
*/
function parse_blocks( $content ) {
/**
* Filter to allow plugins to replace the server-side block parser.
*
* @since 5.0.0
*
* @param string $parser_class Name of block parser class.
*/
$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );
$parser = new $parser_class();
return $parser->parse( $content );
}
/**
* Parses dynamic blocks out of `post_content` and re-renders them.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return string Updated post content.
*/
function do_blocks( $content ) {
$blocks = parse_blocks( $content );
$output = '';
foreach ( $blocks as $block ) {
$output .= render_block( $block );
}
// If there are blocks in this content, we shouldn't run wpautop() on it later.
$priority = has_filter( 'the_content', 'wpautop' );
if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) {
remove_filter( 'the_content', 'wpautop', $priority );
add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 );
}
return $output;
}
/**
* If do_blocks() needs to remove wpautop() from the `the_content` filter, this re-adds it afterwards,
* for subsequent `the_content` usage.
*
* @since 5.0.0
* @access private
*
* @param string $content The post content running through this filter.
* @return string The unmodified content.
*/
function _restore_wpautop_hook( $content ) {
$current_priority = has_filter( 'the_content', '_restore_wpautop_hook' );
add_filter( 'the_content', 'wpautop', $current_priority - 1 );
remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority );
return $content;
}
/**
* Returns the current version of the block format that the content string is using.
*
* If the string doesn't contain blocks, it returns 0.
*
* @since 5.0.0
*
* @param string $content Content to test.
* @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise.
*/
function block_version( $content ) {
return has_blocks( $content ) ? 1 : 0;
}
/**
* Registers a new block style.
*
* @since 5.3.0
* @since 6.6.0 Added support for registering styles for multiple block types.
*
* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
*
* @param string|string[] $block_name Block type name including namespace or array of namespaced block type names.
* @param array $style_properties Array containing the properties of the style name, label,
* style_handle (name of the stylesheet to be enqueued),
* inline_style (string containing the CSS to be added),
* style_data (theme.json-like array to generate CSS from).
* See WP_Block_Styles_Registry::register().
* @return bool True if the block style was registered with success and false otherwise.
*/
function register_block_style( $block_name, $style_properties ) {
return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties );
}
/**
* Unregisters a block style.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return bool True if the block style was unregistered with success and false otherwise.
*/
function unregister_block_style( $block_name, $block_style_name ) {
return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name );
}
/**
* Checks whether the current block type supports the feature requested.
*
* @since 5.8.0
* @since 6.4.0 The `$feature` parameter now supports a string.
*
* @param WP_Block_Type $block_type Block type to check for support.
* @param string|array $feature Feature slug, or path to a specific feature to check support for.
* @param mixed $default_value Optional. Fallback value for feature support. Default false.
* @return bool Whether the feature is supported.
*/
function block_has_support( $block_type, $feature, $default_value = false ) {
$block_support = $default_value;
if ( $block_type instanceof WP_Block_Type ) {
if ( is_array( $feature ) && count( $feature ) === 1 ) {
$feature = $feature[0];
}
if ( is_array( $feature ) ) {
$block_support = _wp_array_get( $block_type->supports, $feature, $default_value );
} elseif ( isset( $block_type->supports[ $feature ] ) ) {
$block_support = $block_type->supports[ $feature ];
}
}
return true === $block_support || is_array( $block_support );
}
/**
* Converts typography keys declared under `supports.*` to `supports.typography.*`.
*
* Displays a `_doing_it_wrong()` notice when a block using the older format is detected.
*
* @since 5.8.0
*
* @param array $metadata Metadata for registering a block type.
* @return array Filtered metadata for registering a block type.
*/
function wp_migrate_old_typography_shape( $metadata ) {
if ( ! isset( $metadata['supports'] ) ) {
return $metadata;
}
$typography_keys = array(
'__experimentalFontFamily',
'__experimentalFontStyle',
'__experimentalFontWeight',
'__experimentalLetterSpacing',
'__experimentalTextDecoration',
'__experimentalTextTransform',
'fontSize',
'lineHeight',
);
foreach ( $typography_keys as $typography_key ) {
$support_for_key = isset( $metadata['supports'][ $typography_key ] ) ? $metadata['supports'][ $typography_key ] : null;
if ( null !== $support_for_key ) {
_doing_it_wrong(
'register_block_type_from_metadata()',
sprintf(
/* translators: 1: Block type, 2: Typography supports key, e.g: fontSize, lineHeight, etc. 3: block.json, 4: Old metadata key, 5: New metadata key. */
__( 'Block "%1$s" is declaring %2$s support in %3$s file under %4$s. %2$s support is now declared under %5$s.' ),
$metadata['name'],
"$typography_key",
'block.json',
"supports.$typography_key",
"supports.typography.$typography_key"
),
'5.8.0'
);
_wp_array_set( $metadata['supports'], array( 'typography', $typography_key ), $support_for_key );
unset( $metadata['supports'][ $typography_key ] );
}
}
return $metadata;
}
/**
* Helper function that constructs a WP_Query args array from
* a `Query` block properties.
*
* It's used in Query Loop, Query Pagination Numbers and Query Pagination Next blocks.
*
* @since 5.8.0
* @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query.
*
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*
* @return array Returns the constructed WP_Query arguments.
*/
function build_query_vars_from_query_block( $block, $page ) {
$query = array(
'post_type' => 'post',
'order' => 'DESC',
'orderby' => 'date',
'post__not_in' => array(),
);
if ( isset( $block->context['query'] ) ) {
if ( ! empty( $block->context['query']['postType'] ) ) {
$post_type_param = $block->context['query']['postType'];
if ( is_post_type_viewable( $post_type_param ) ) {
$query['post_type'] = $post_type_param;
}
}
if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) {
$sticky = get_option( 'sticky_posts' );
if ( 'only' === $block->context['query']['sticky'] ) {
/*
* Passing an empty array to post__in will return have_posts() as true (and all posts will be returned).
* Logic should be used before hand to determine if WP_Query should be used in the event that the array
* being passed to post__in is empty.
*
* @see https://core.trac.wordpress.org/ticket/28099
*/
$query['post__in'] = ! empty( $sticky ) ? $sticky : array( 0 );
$query['ignore_sticky_posts'] = 1;
} else {
$query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
}
}
if ( ! empty( $block->context['query']['exclude'] ) ) {
$excluded_post_ids = array_map( 'intval', $block->context['query']['exclude'] );
$excluded_post_ids = array_filter( $excluded_post_ids );
$query['post__not_in'] = array_merge( $query['post__not_in'], $excluded_post_ids );
}
if (
isset( $block->context['query']['perPage'] ) &&
is_numeric( $block->context['query']['perPage'] )
) {
$per_page = absint( $block->context['query']['perPage'] );
$offset = 0;
if (
isset( $block->context['query']['offset'] ) &&
is_numeric( $block->context['query']['offset'] )
) {
$offset = absint( $block->context['query']['offset'] );
}
$query['offset'] = ( $per_page * ( $page - 1 ) ) + $offset;
$query['posts_per_page'] = $per_page;
}
// Migrate `categoryIds` and `tagIds` to `tax_query` for backwards compatibility.
if ( ! empty( $block->context['query']['categoryIds'] ) || ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query = array();
if ( ! empty( $block->context['query']['categoryIds'] ) ) {
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ),
'include_children' => false,
);
}
if ( ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ),
'include_children' => false,
);
}
$query['tax_query'] = $tax_query;
}
if ( ! empty( $block->context['query']['taxQuery'] ) ) {
$query['tax_query'] = array();
foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) {
if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) {
$query['tax_query'][] = array(
'taxonomy' => $taxonomy,
'terms' => array_filter( array_map( 'intval', $terms ) ),
'include_children' => false,
);
}
}
}
if (
isset( $block->context['query']['order'] ) &&
in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true )
) {
$query['order'] = strtoupper( $block->context['query']['order'] );
}
if ( isset( $block->context['query']['orderBy'] ) ) {
$query['orderby'] = $block->context['query']['orderBy'];
}
if (
isset( $block->context['query']['author'] )
) {
if ( is_array( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', $block->context['query']['author'] ) );
} elseif ( is_string( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', explode( ',', $block->context['query']['author'] ) ) );
} elseif ( is_int( $block->context['query']['author'] ) && $block->context['query']['author'] > 0 ) {
$query['author'] = $block->context['query']['author'];
}
}
if ( ! empty( $block->context['query']['search'] ) ) {
$query['s'] = $block->context['query']['search'];
}
if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
$query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) );
}
}
/**
* Filters the arguments which will be passed to `WP_Query` for the Query Loop Block.
*
* Anything to this filter should be compatible with the `WP_Query` API to form
* the query context which will be passed down to the Query Loop Block's children.
* This can help, for example, to include additional settings or meta queries not
* directly supported by the core Query Loop Block, and extend its capabilities.
*
* Please note that this will only influence the query that will be rendered on the
* front-end. The editor preview is not affected by this filter. Also, worth noting
* that the editor preview uses the REST API, so, ideally, one should aim to provide
* attributes which are also compatible with the REST API, in order to be able to
* implement identical queries on both sides.
*
* @since 6.1.0
*
* @param array $query Array containing parameters for `WP_Query` as parsed by the block context.
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*/
return apply_filters( 'query_loop_block_query_vars', $query, $block, $page );
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `QueryPaginationNext` and `QueryPaginationPrevious` blocks based
* on the provided `paginationArrow` from `QueryPagination` context.
*
* It's used in QueryPaginationNext and QueryPaginationPrevious blocks.
*
* @since 5.9.0
*
* @param WP_Block $block Block instance.
* @param bool $is_next Flag for handling `next/previous` blocks.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_query_pagination_arrow( $block, $is_next ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['paginationArrow'] ) && array_key_exists( $block->context['paginationArrow'], $arrow_map ) && ! empty( $arrow_map[ $block->context['paginationArrow'] ] ) ) {
$pagination_type = $is_next ? 'next' : 'previous';
$arrow_attribute = $block->context['paginationArrow'];
$arrow = $arrow_map[ $block->context['paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-query-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Helper function that constructs a comment query vars array from the passed
* block properties.
*
* It's used with the Comment Query Loop inner blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @return array Returns the comment query parameters to use with the
* WP_Comment_Query constructor.
*/
function build_comment_query_vars_from_block( $block ) {
$comment_args = array(
'orderby' => 'comment_date_gmt',
'order' => 'ASC',
'status' => 'approve',
'no_found_rows' => false,
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
if ( ! empty( $block->context['postId'] ) ) {
$comment_args['post_id'] = (int) $block->context['postId'];
}
if ( get_option( 'thread_comments' ) ) {
$comment_args['hierarchical'] = 'threaded';
} else {
$comment_args['hierarchical'] = false;
}
if ( get_option( 'page_comments' ) === '1' || get_option( 'page_comments' ) === true ) {
$per_page = get_option( 'comments_per_page' );
$default_page = get_option( 'default_comments_page' );
if ( $per_page > 0 ) {
$comment_args['number'] = $per_page;
$page = (int) get_query_var( 'cpage' );
if ( $page ) {
$comment_args['paged'] = $page;
} elseif ( 'oldest' === $default_page ) {
$comment_args['paged'] = 1;
} elseif ( 'newest' === $default_page ) {
$max_num_pages = (int) ( new WP_Comment_Query( $comment_args ) )->max_num_pages;
if ( 0 !== $max_num_pages ) {
$comment_args['paged'] = $max_num_pages;
}
}
// Set the `cpage` query var to ensure the previous and next pagination links are correct
// when inheriting the Discussion Settings.
if ( 0 === $page && isset( $comment_args['paged'] ) && $comment_args['paged'] > 0 ) {
set_query_var( 'cpage', $comment_args['paged'] );
}
}
}
return $comment_args;
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `CommentsPaginationNext` and `CommentsPaginationPrevious` blocks based on the
* provided `paginationArrow` from `CommentsPagination` context.
*
* It's used in CommentsPaginationNext and CommentsPaginationPrevious blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @param string $pagination_type Optional. Type of the arrow we will be rendering.
* Accepts 'next' or 'previous'. Default 'next'.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_comments_pagination_arrow( $block, $pagination_type = 'next' ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['comments/paginationArrow'] ) && ! empty( $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ] ) ) {
$arrow_attribute = $block->context['comments/paginationArrow'];
$arrow = $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-comments-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Strips all HTML from the content of footnotes, and sanitizes the ID.
*
* This function expects slashed data on the footnotes content.
*
* @access private
* @since 6.3.2
*
* @param string $footnotes JSON-encoded string of an array containing the content and ID of each footnote.
* @return string Filtered content without any HTML on the footnote content and with the sanitized ID.
*/
function _wp_filter_post_meta_footnotes( $footnotes ) {
$footnotes_decoded = json_decode( $footnotes, true );
if ( ! is_array( $footnotes_decoded ) ) {
return '';
}
$footnotes_sanitized = array();
foreach ( $footnotes_decoded as $footnote ) {
if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) {
$footnotes_sanitized[] = array(
'id' => sanitize_key( $footnote['id'] ),
'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ),
);
}
}
return wp_json_encode( $footnotes_sanitized );
}
/**
* Adds the filters for footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init_filters() {
add_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Removes the filters for footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_remove_filters() {
remove_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Registers the filter of footnotes meta field if the user does not have `unfiltered_html` capability.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init() {
_wp_footnotes_remove_filters();
if ( ! current_user_can( 'unfiltered_html' ) ) {
_wp_footnotes_kses_init_filters();
}
}
/**
* Initializes the filters for footnotes meta field when imported data should be filtered.
*
* This filter is the last one being executed on {@see 'force_filtered_html_on_import'}.
* If the input of the filter is true, it means we are in an import situation and should
* enable kses, independently of the user capabilities. So in that case we call
* _wp_footnotes_kses_init_filters().
*
* @access private
* @since 6.3.2
*
* @param string $arg Input argument of the filter.
* @return string Input argument of the filter.
*/
function _wp_footnotes_force_filtered_html_on_import_filter( $arg ) {
// If `force_filtered_html_on_import` is true, we need to init the global styles kses filters.
if ( $arg ) {
_wp_footnotes_kses_init_filters();
}
return $arg;
}
ion Only return modules introduced before this version. Default is false, do not filter.
* @param bool|null $requires_connection Pass a boolean value to only return modules that require (or do not require) a connection.
* @param bool|null $requires_user_connection Pass a boolean value to only return modules that require (or do not require) a user connection.
*
* @return array $modules Array of module slugs
*/
public function get_available( $min_version = false, $max_version = false, $requires_connection = null, $requires_user_connection = null ) {
static $modules = null;
if ( ! class_exists( 'Jetpack' ) || ! Constants::is_defined( 'JETPACK__VERSION' ) || ! Constants::is_defined( 'JETPACK__PLUGIN_DIR' ) ) {
return array_unique(
/**
* Stand alone plugins need to use this filter to register the modules they interact with.
* This will allow them to activate and deactivate these modules even when Jetpack is not present.
* Note: Standalone plugins can only interact with modules that also exist in the Jetpack plugin, otherwise they'll lose the ability to control it if Jetpack is activated.
*
* @since 1.13.6
*
* @param array $modules The list of available modules as an array of slugs.
* @param bool $requires_connection Whether to list only modules that require a connection to work.
* @param bool $requires_user_connection Whether to list only modules that require a user connection to work.
*/
apply_filters( 'jetpack_get_available_standalone_modules', array(), $requires_connection, $requires_user_connection )
);
}
if ( ! isset( $modules ) ) {
$available_modules_option = \Jetpack_Options::get_option( 'available_modules', array() );
// Use the cache if we're on the front-end and it's available...
if ( ! is_admin() && ! empty( $available_modules_option[ JETPACK__VERSION ] ) ) {
$modules = $available_modules_option[ JETPACK__VERSION ];
} else {
$files = ( new Files() )->glob_php( JETPACK__PLUGIN_DIR . 'modules' );
$modules = array();
foreach ( $files as $file ) {
$slug = $this->get_slug( $file );
$headers = $this->get( $slug );
if ( ! $headers ) {
continue;
}
$modules[ $slug ] = $headers['introduced'];
}
\Jetpack_Options::update_option(
'available_modules',
array(
JETPACK__VERSION => $modules,
)
);
}
}
/**
* Filters the array of modules available to be activated.
*
* @since 2.4.0
*
* @param array $modules Array of available modules.
* @param string $min_version Minimum version number required to use modules.
* @param string $max_version Maximum version number required to use modules.
* @param bool|null $requires_connection Value of the Requires Connection filter.
* @param bool|null $requires_user_connection Value of the Requires User Connection filter.
*/
$mods = apply_filters( 'jetpack_get_available_modules', $modules, $min_version, $max_version, $requires_connection, $requires_user_connection );
if ( ! $min_version && ! $max_version && $requires_connection === null && $requires_user_connection === null ) {
return array_keys( $mods );
}
$r = array();
foreach ( $mods as $slug => $introduced ) {
if ( $min_version && version_compare( $min_version, $introduced, '>=' ) ) {
continue;
}
if ( $max_version && version_compare( $max_version, $introduced, '<' ) ) {
continue;
}
$mod_details = $this->get( $slug );
if ( null !== $requires_connection && (bool) $requires_connection !== $mod_details['requires_connection'] ) {
continue;
}
if ( null !== $requires_user_connection && (bool) $requires_user_connection !== $mod_details['requires_user_connection'] ) {
continue;
}
$r[] = $slug;
}
return $r;
}
/**
* Is slug a valid module.
*
* @param string $module Module slug.
*
* @return bool
*/
public function is_module( $module ) {
return ! empty( $module ) && ! validate_file( $module, $this->get_available() );
}
/**
* Update module status.
*
* @param string $module - module slug.
* @param boolean $active - true to activate, false to deactivate.
* @param bool $exit Should exit be called after deactivation.
* @param bool $redirect Should there be a redirection after activation.
*/
public function update_status( $module, $active, $exit = true, $redirect = true ) {
return $active ? $this->activate( $module, $exit, $redirect ) : $this->deactivate( $module );
}
/**
* Activate a module.
*
* @param string $module Module slug.
* @param bool $exit Should exit be called after deactivation.
* @param bool $redirect Should there be a redirection after activation.
*
* @return bool|void
*/
public function activate( $module, $exit = true, $redirect = true ) {
/**
* Fires before a module is activated.
*
* @since 2.6.0
*
* @param string $module Module slug.
* @param bool $exit Should we exit after the module has been activated. Default to true.
* @param bool $redirect Should the user be redirected after module activation? Default to true.
*/
do_action( 'jetpack_pre_activate_module', $module, $exit, $redirect );
if ( ! strlen( $module ) ) {
return false;
}
// If it's already active, then don't do it again.
$active = $this->get_active();
foreach ( $active as $act ) {
if ( $act === $module ) {
return true;
}
}
if ( ! $this->is_module( $module ) ) {
return false;
}
// Jetpack plugin only
if ( class_exists( 'Jetpack' ) ) {
$module_data = $this->get( $module );
$status = new Status();
$state = new CookieState();
if ( ! \Jetpack::is_connection_ready() ) {
if ( ! $status->is_offline_mode() && ! $status->is_onboarding() ) {
return false;
}
// If we're not connected but in offline mode, make sure the module doesn't require a connection.
if ( $status->is_offline_mode() && $module_data['requires_connection'] ) {
return false;
}
}
if ( class_exists( 'Jetpack_Client_Server' ) ) {
$jetpack = \Jetpack::init();
// Check and see if the old plugin is active.
if ( isset( $jetpack->plugins_to_deactivate[ $module ] ) ) {
// Deactivate the old plugins.
$deactivated = array();
foreach ( $jetpack->plugins_to_deactivate[ $module ] as $idx => $deactivate_me ) {
if ( \Jetpack_Client_Server::deactivate_plugin( $deactivate_me[0], $deactivate_me[1] ) ) {
// If we deactivated the old plugin, remembere that with ::state() and redirect back to this page to activate the module
// We can't activate the module on this page load since the newly deactivated old plugin is still loaded on this page load.
$deactivated[] = "$module:$idx";
}
}
if ( $deactivated ) {
$state->state( 'deactivated_plugins', implode( ',', $deactivated ) );
wp_safe_redirect( add_query_arg( 'jetpack_restate', 1 ) );
exit;
}
}
}
// Protect won't work with mis-configured IPs.
if ( 'protect' === $module ) {
if ( ! IP_Utils::get_ip() ) {
$state->state( 'message', 'protect_misconfigured_ip' );
return false;
}
}
if ( ! Jetpack_Plan::supports( $module ) ) {
return false;
}
// Check the file for fatal errors, a la wp-admin/plugins.php::activate.
$state->state( 'module', $module );
$state->state( 'error', 'module_activation_failed' ); // we'll override this later if the plugin can be included without fatal error.
ob_start();
$module_path = $this->get_path( $module );
if ( file_exists( $module_path ) ) {
require $this->get_path( $module ); // phpcs:ignore WordPressVIPMinimum.Files.IncludingFile.NotAbsolutePath
}
$active[] = $module;
$this->update_active( $active );
$state->state( 'error', false ); // the override.
ob_end_clean();
} else { // Not a Jetpack plugin.
$active[] = $module;
$this->update_active( $active );
}
if ( $redirect ) {
wp_safe_redirect( ( new Paths() )->admin_url( 'page=jetpack' ) );
}
if ( $exit ) {
exit;
}
return true;
}
/**
* Deactivate module.
*
* @param string $module Module slug.
*
* @return bool
*/
public function deactivate( $module ) {
/**
* Fires when a module is deactivated.
*
* @since 1.9.0
*
* @param string $module Module slug.
*/
do_action( 'jetpack_pre_deactivate_module', $module );
$active = $this->get_active();
$new = array_filter( array_diff( $active, (array) $module ) );
return $this->update_active( $new );
}
/**
* Generate a module's path from its slug.
*
* @param string $slug Module slug.
*/
public function get_path( $slug ) {
if ( ! Constants::is_defined( 'JETPACK__PLUGIN_DIR' ) ) {
return '';
}
/**
* Filters the path of a modules.
*
* @since 7.4.0
*
* @param array $return The absolute path to a module's root php file
* @param string $slug The module slug
*/
return apply_filters( 'jetpack_get_module_path', JETPACK__PLUGIN_DIR . "modules/$slug.php", $slug );
}
/**
* Saves all the currently active modules to options.
* Also fires Action hooks for each newly activated and deactivated module.
*
* @param array $modules Array of active modules to be saved in options.
*
* @return bool $success true for success, false for failure.
*/
public function update_active( $modules ) {
$current_modules = \Jetpack_Options::get_option( 'active_modules', array() );
$active_modules = $this->get_active();
$new_active_modules = array_diff( $modules, $current_modules );
$new_inactive_modules = array_diff( $active_modules, $modules );
$new_current_modules = array_diff( array_merge( $current_modules, $new_active_modules ), $new_inactive_modules );
$reindexed_modules = array_values( $new_current_modules );
$success = \Jetpack_Options::update_option( 'active_modules', array_unique( $reindexed_modules ) );
// Let's take `pre_update_option_jetpack_active_modules` filter into account
// and actually decide for which modules we need to fire hooks by comparing
// the 'active_modules' option before and after the update.
$current_modules_post_update = \Jetpack_Options::get_option( 'active_modules', array() );
$new_inactive_modules = array_diff( $current_modules, $current_modules_post_update );
$new_inactive_modules = array_unique( $new_inactive_modules );
$new_inactive_modules = array_values( $new_inactive_modules );
$new_active_modules = array_diff( $current_modules_post_update, $current_modules );
$new_active_modules = array_unique( $new_active_modules );
$new_active_modules = array_values( $new_active_modules );
foreach ( $new_active_modules as $module ) {
/**
* Fires when a specific module is activated.
*
* @since 1.9.0
*
* @param string $module Module slug.
* @param boolean $success whether the module was activated. @since 4.2
*/
do_action( 'jetpack_activate_module', $module, $success );
/**
* Fires when a module is activated.
* The dynamic part of the filter, $module, is the module slug.
*
* @since 1.9.0
*
* @param string $module Module slug.
*/
do_action( "jetpack_activate_module_$module", $module );
}
foreach ( $new_inactive_modules as $module ) {
/**
* Fired after a module has been deactivated.
*
* @since 4.2.0
*
* @param string $module Module slug.
* @param boolean $success whether the module was deactivated.
*/
do_action( 'jetpack_deactivate_module', $module, $success );
/**
* Fires when a module is deactivated.
* The dynamic part of the filter, $module, is the module slug.
*
* @since 1.9.0
*
* @param string $module Module slug.
*/
do_action( "jetpack_deactivate_module_$module", $module );
}
return $success;
}
}