*
* @since 2.5.0
*
+ * @global int $content_width
+ * @global array $_wp_additional_image_sizes
+ *
* @param int $width Width of the image in pixels.
* @param int $height Height of the image in pixels.
* @param string|array $size Optional. Size or array of sizes of what the result image
// if no width is set, default to the theme content width if available
}
elseif ( $size == 'large' ) {
- // We're inserting a large size image into the editor. If it's a really
- // big image we'll scale it down to fit reasonably within the editor
- // itself, and within the theme's content width if it's known. The user
- // can resize it in the editor if they wish.
+ /*
+ * We're inserting a large size image into the editor. If it's a really
+ * big image we'll scale it down to fit reasonably within the editor
+ * itself, and within the theme's content width if it's known. The user
+ * can resize it in the editor if they wish.
+ */
$max_width = intval(get_option('large_size_w'));
$max_height = intval(get_option('large_size_h'));
if ( intval($content_width) > 0 )
*
* @since 2.5.0
*
- * @param int|string $width Optional. Width attribute value.
- * @param int|string $height Optional. Height attribute value.
+ * @param int|string $width Image width in pixels.
+ * @param int|string $height Image height in pixels.
* @return string HTML attributes for width and, or height.
*/
-function image_hwstring($width, $height) {
+function image_hwstring( $width, $height ) {
$out = '';
if ($width)
$out .= 'width="'.intval($width).'" ';
*
* @since 2.5.0
*
- * @param int $id Attachment ID for image.
- * @param array|string $size Optional, default is 'medium'. Size of image, either array or string.
- * @return bool|array False on failure, array on success.
+ * @param int $id Attachment ID for image.
+ * @param array|string $size Optional. Image size to scale to. Accepts a registered image size
+ * or flat array of height and width values. Default 'medium'.
+ * @return false|array False on failure, array on success.
*/
-function image_downsize($id, $size = 'medium') {
+function image_downsize( $id, $size = 'medium' ) {
if ( !wp_attachment_is_image($id) )
return false;
*
* @since 3.9.0
*
+ * @global array $_wp_additional_image_sizes
+ *
* @param string $name The image size to check.
* @return bool True if the image size exists, false if not.
*/
*
* @since 3.9.0
*
+ * @global array $_wp_additional_image_sizes
+ *
* @param string $name The image size to remove.
* @return bool True if the image size was successfully removed, false on failure.
*/
}
/**
- * An <img src /> tag for an image attachment, scaling it down if requested.
+ * Gets an img tag for an image attachment, scaling it down if requested.
*
* The filter 'get_image_tag_class' allows for changing the class name for the
* image without having to use regular expressions on the HTML content. The
*
* @since 2.5.0
*
- * @param int $id Attachment ID.
- * @param string $alt Image Description for the alt attribute.
- * @param string $title Image Description for the title attribute.
- * @param string $align Part of the class name for aligning the image.
- * @param string $size Optional. Default is 'medium'.
+ * @param int $id Attachment ID.
+ * @param string $alt Image Description for the alt attribute.
+ * @param string $title Image Description for the title attribute.
+ * @param string $align Part of the class name for aligning the image.
+ * @param string|array $size Optional. Registered image size to retrieve a tag for, or flat array
+ * of height and width values. Default 'medium'.
* @return string HTML IMG element for given image attachment
*/
-function get_image_tag($id, $alt, $title, $align, $size='medium') {
+function get_image_tag( $id, $alt, $title, $align, $size = 'medium' ) {
list( $img_src, $width, $height ) = image_downsize($id, $size);
$hwstring = image_hwstring($width, $height);
* @param string $align Part of the class name for aligning the image.
* @param string $size Optional. Default is 'medium'.
*/
- $html = apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
-
- return $html;
+ return apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size );
}
/**
- * Calculates the new dimensions for a downsampled image.
+ * Calculates the new dimensions for a down-sampled image.
*
* If either width or height are empty, no constraint is applied on
* that dimension.
*
* @since 2.5.0
*
- * @param int $current_width Current width of the image.
+ * @param int $current_width Current width of the image.
* @param int $current_height Current height of the image.
- * @param int $max_width Optional. Maximum wanted width.
- * @param int $max_height Optional. Maximum wanted height.
+ * @param int $max_width Optional. Max width in pixels to constrain to. Default 0.
+ * @param int $max_height Optional. Max height in pixels to constrain to. Default 0.
* @return array First item is the width, the second item is the height.
*/
-function wp_constrain_dimensions( $current_width, $current_height, $max_width=0, $max_height=0 ) {
- if ( !$max_width and !$max_height )
+function wp_constrain_dimensions( $current_width, $current_height, $max_width = 0, $max_height = 0 ) {
+ if ( !$max_width && !$max_height )
return array( $current_width, $current_height );
$width_ratio = $height_ratio = 1.0;
$h = $max_height; // Round it up
}
+ /**
+ * Filter dimensions to constrain down-sampled images to.
+ *
+ * @since 4.1.0
+ *
+ * @param array $dimensions The image width and height.
+ * @param int $current_width The current width of the image.
+ * @param int $current_height The current height of the image.
+ * @param int $max_width The maximum width permitted.
+ * @param int $max_height The maximum height permitted.
+ */
return apply_filters( 'wp_constrain_dimensions', array( $w, $h ), $current_width, $current_height, $max_width, $max_height );
}
/**
- * Retrieve calculated resize dimensions for use in WP_Image_Editor.
+ * Retrieves calculated resize dimensions for use in WP_Image_Editor.
*
* Calculates dimensions and coordinates for a resized image that fits
* within a specified width and height.
* @param int $dest_h New height in pixels.
* @param bool|array $crop Optional. Whether to crop image to specified height and width or resize.
* An array can specify positioning of the crop area. Default false.
- * @return bool|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
+ * @return false|array False on failure. Returned array matches parameters for `imagecopyresampled()`.
*/
function image_resize_dimensions($orig_w, $orig_h, $dest_w, $dest_h, $crop = false) {
}
/**
- * Resize an image to make a thumbnail or intermediate size.
+ * Resizes an image to make a thumbnail or intermediate size.
*
* The returned array has the file size, the image width, and image height. The
* filter 'image_make_intermediate_size' can be used to hook in and change the
*
* @since 2.5.0
*
- * @param string $file File path.
- * @param int $width Image width.
- * @param int $height Image height.
- * @param bool $crop Optional, default is false. Whether to crop image to specified height and width or resize.
- * @return bool|array False, if no image was created. Metadata array on success.
+ * @param string $file File path.
+ * @param int $width Image width.
+ * @param int $height Image height.
+ * @param bool $crop Optional. Whether to crop image to specified height and width or resize.
+ * Default false.
+ * @return false|array False, if no image was created. Metadata array on success.
*/
function image_make_intermediate_size( $file, $width, $height, $crop = false ) {
if ( $width || $height ) {
}
/**
- * Retrieve the image's intermediate size (resized) path, width, and height.
+ * Retrieves the image's intermediate size (resized) path, width, and height.
*
* The $size parameter can be an array with the width and height respectively.
* If the size matches the 'sizes' metadata array for width and height, then it
* browser scale down the image.
*
* @since 2.5.0
- * @see add_image_size()
*
- * @param int $post_id Attachment ID for image.
- * @param array|string $size Optional, default is 'thumbnail'. Size of image, either array or string.
- * @return bool|array False on failure or array of file path, width, and height on success.
+ * @param int $post_id Attachment ID.
+ * @param array|string $size Optional. Registered image size to retrieve or flat array of height
+ * and width dimensions. Default 'thumbnail'.
+ * @return false|array False on failure or array of file path, width, and height on success.
*/
-function image_get_intermediate_size($post_id, $size='thumbnail') {
+function image_get_intermediate_size( $post_id, $size = 'thumbnail' ) {
if ( !is_array( $imagedata = wp_get_attachment_metadata( $post_id ) ) )
return false;
// get the best one for a specified set of dimensions
if ( is_array($size) && !empty($imagedata['sizes']) ) {
+ $areas = array();
+
foreach ( $imagedata['sizes'] as $_size => $data ) {
// already cropped to width or height; so use this size
if ( ( $data['width'] == $size[0] && $data['height'] <= $size[1] ) || ( $data['height'] == $size[1] && $data['width'] <= $size[0] ) ) {
}
/**
- * Get the available image sizes
+ * Gets the available intermediate image sizes.
+ *
* @since 3.0.0
- * @return array Returns a filtered array of image size strings
+ *
+ * @global array $_wp_additional_image_sizes
+ *
+ * @return array Returns a filtered array of image size strings.
*/
function get_intermediate_image_sizes() {
global $_wp_additional_image_sizes;
*
* @since 2.5.0
*
- * @param int $attachment_id Image attachment ID.
- * @param string $size Optional, default is 'thumbnail'.
- * @param bool $icon Optional, default is false. Whether it is an icon.
- * @return bool|array Returns an array (url, width, height), or false, if no image is available.
+ * @param int $attachment_id Image attachment ID.
+ * @param string|array $size Optional. Registered image size to retrieve the source for or a flat
+ * array of height and width dimensions. Default 'thumbnail'.
+ * @param bool $icon Optional. Whether the image should be treated as an icon. Default false.
+ * @return false|array Returns an array (url, width, height), or false, if no image is available.
*/
-function wp_get_attachment_image_src($attachment_id, $size='thumbnail', $icon = false) {
-
+function wp_get_attachment_image_src( $attachment_id, $size = 'thumbnail', $icon = false ) {
// get a thumbnail or intermediate image if there is one
- if ( $image = image_downsize($attachment_id, $size) )
- return $image;
+ $image = image_downsize( $attachment_id, $size );
+ if ( ! $image ) {
+ $src = false;
- $src = false;
+ if ( $icon && $src = wp_mime_type_icon( $attachment_id ) ) {
+ /** This filter is documented in wp-includes/post.php */
+ $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
+
+ $src_file = $icon_dir . '/' . wp_basename( $src );
+ @list( $width, $height ) = getimagesize( $src_file );
+ }
- if ( $icon && $src = wp_mime_type_icon($attachment_id) ) {
- /** This filter is documented in wp-includes/post.php */
- $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' );
- $src_file = $icon_dir . '/' . wp_basename($src);
- @list($width, $height) = getimagesize($src_file);
+ if ( $src && $width && $height ) {
+ $image = array( $src, $width, $height );
+ }
}
- if ( $src && $width && $height )
- return array( $src, $width, $height );
- return false;
+ /**
+ * Filter the image src result.
+ *
+ * @since 4.3.0
+ *
+ * @param array|false $image Either array with src, width & height, icon src, or false.
+ * @param int $attachment_id Image attachment ID.
+ * @param string|array $size Registered image size to retrieve the source for or a flat
+ * array of height and width dimensions. Default 'thumbnail'.
+ * @param bool $icon Whether the image should be treated as an icon. Default false.
+ */
+ return apply_filters( 'wp_get_attachment_image_src', $image, $attachment_id, $size, $icon );
}
/**
* Get an HTML img element representing an image attachment
*
- * While $size will accept an array, it is better to register a size with
+ * While `$size` will accept an array, it is better to register a size with
* add_image_size() so that a cropped version is generated. It's much more
* efficient than having to find the closest-sized image and then having the
* browser scale down the image.
*
* @since 2.5.0
*
- * @see add_image_size()
- *
* @param int $attachment_id Image attachment ID.
- * @param string|array $size Optional. Default 'thumbnail'.
- * @param bool $icon Optional. Whether it is an icon. Default false.
- * @param string|array $attr Optional. Attributes for the image markup. Default empty string.
+ * @param string|array $size Optional. Registered image size or flat array of height and width
+ * dimensions. Default 'thumbnail'.
+ * @param bool $icon Optional. Whether the image should be treated as an icon. Default false.
+ * @param string|array $attr Optional. Attributes for the image markup. Default empty.
* @return string HTML img element or empty string on failure.
*/
function wp_get_attachment_image($attachment_id, $size = 'thumbnail', $icon = false, $attr = '') {
-
$html = '';
$image = wp_get_attachment_image_src($attachment_id, $size, $icon);
if ( $image ) {
}
/**
- * Adds a 'wp-post-image' class to post thumbnails
- * Uses the begin_fetch_post_thumbnail_html and end_fetch_post_thumbnail_html action hooks to
- * dynamically add/remove itself so as to only filter post thumbnails
+ * Adds a 'wp-post-image' class to post thumbnails. Internal use only.
+ *
+ * Uses the 'begin_fetch_post_thumbnail_html' and 'end_fetch_post_thumbnail_html' action hooks to
+ * dynamically add/remove itself so as to only filter post thumbnails.
*
+ * @ignore
* @since 2.9.0
- * @param array $attr Attributes including src, class, alt, title
- * @return array
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
+ * @return array Modified array of attributes including the new 'wp-post-image' class.
*/
function _wp_post_thumbnail_class_filter( $attr ) {
$attr['class'] .= ' wp-post-image';
}
/**
- * Adds _wp_post_thumbnail_class_filter to the wp_get_attachment_image_attributes filter
+ * Adds '_wp_post_thumbnail_class_filter' callback to the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
*
+ * @ignore
* @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
*/
function _wp_post_thumbnail_class_filter_add( $attr ) {
add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
}
/**
- * Removes _wp_post_thumbnail_class_filter from the wp_get_attachment_image_attributes filter
+ * Removes the '_wp_post_thumbnail_class_filter' callback from the 'wp_get_attachment_image_attributes'
+ * filter hook. Internal use only.
*
+ * @ignore
* @since 2.9.0
+ *
+ * @param array $attr Thumbnail attributes including src, class, alt, title.
*/
function _wp_post_thumbnail_class_filter_remove( $attr ) {
remove_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );
add_shortcode('caption', 'img_caption_shortcode');
/**
- * The Caption shortcode.
+ * Builds the Caption shortcode output.
*
* Allows a plugin to replace the content that would otherwise be returned. The
* filter is 'img_caption_shortcode' and passes an empty string, the attr
*
* @since 2.6.0
*
- * @param array $attr {
+ * @param array $attr {
* Attributes of the caption shortcode.
*
* @type string $id ID of the div element for the caption.
* @type string $caption The caption text.
* @type string $class Additional class name(s) added to the caption container.
* }
- * @param string $content Optional. Shortcode content.
+ * @param string $content Shortcode content.
* @return string HTML content to display the caption.
*/
function img_caption_shortcode( $attr, $content = null ) {
$content = $matches[1];
$attr['caption'] = trim( $matches[2] );
}
+ } elseif ( strpos( $attr['caption'], '<' ) !== false ) {
+ $attr['caption'] = wp_kses( $attr['caption'], 'post' );
}
/**
return $content;
if ( ! empty( $atts['id'] ) )
- $atts['id'] = 'id="' . esc_attr( $atts['id'] ) . '" ';
+ $atts['id'] = 'id="' . esc_attr( sanitize_html_class( $atts['id'] ) ) . '" ';
$class = trim( 'wp-caption ' . $atts['align'] . ' ' . $atts['class'] );
add_shortcode('gallery', 'gallery_shortcode');
/**
- * The Gallery shortcode.
+ * Builds the Gallery shortcode output.
*
* This implements the functionality of the Gallery Shortcode for displaying
* WordPress images on a post.
*
* @since 2.5.0
*
+ * @staticvar int $instance
+ *
* @param array $attr {
* Attributes of the gallery shortcode.
*
* the default gallery template.
*
* @since 2.5.0
+ * @since 4.2.0 The `$instance` parameter was added.
*
* @see gallery_shortcode()
*
- * @param string $output The gallery output. Default empty.
- * @param array $attr Attributes of the gallery shortcode.
+ * @param string $output The gallery output. Default empty.
+ * @param array $attr Attributes of the gallery shortcode.
+ * @param int $instance Unique numeric ID of this gallery shortcode instance.
*/
- $output = apply_filters( 'post_gallery', '', $attr );
+ $output = apply_filters( 'post_gallery', '', $attr, $instance );
if ( $output != '' ) {
return $output;
}
}
/**
- * Output the templates used by playlists.
+ * Outputs the templates used by playlists.
*
* @since 3.9.0
*/
}
/**
- * Output and enqueue default scripts and styles for playlists.
+ * Outputs and enqueue default scripts and styles for playlists.
*
* @since 3.9.0
*
add_action( 'wp_footer', 'wp_underscore_playlist_templates', 0 );
add_action( 'admin_footer', 'wp_underscore_playlist_templates', 0 );
}
-add_action( 'wp_playlist_scripts', 'wp_playlist_scripts' );
/**
- * The playlist shortcode.
+ * Builds the Playlist shortcode output.
*
* This implements the functionality of the playlist shortcode for displaying
* a collection of WordPress audio or video files in a post.
*
* @since 3.9.0
*
+ * @global int $content_width
+ * @staticvar int $instance
+ *
* @param array $attr {
* Array of default playlist attributes.
*
* of the default playlist output, returning the passed value instead.
*
* @since 3.9.0
+ * @since 4.2.0 The `$instance` parameter was added.
*
- * @param string $output Playlist output. Default empty.
- * @param array $attr An array of shortcode attributes.
+ * @param string $output Playlist output. Default empty.
+ * @param array $attr An array of shortcode attributes.
+ * @param int $instance Unique numeric ID of this playlist shortcode instance.
*/
- $output = apply_filters( 'post_playlist', '', $attr );
+ $output = apply_filters( 'post_playlist', '', $attr, $instance );
if ( $output != '' ) {
return $output;
}
add_shortcode( 'playlist', 'wp_playlist_shortcode' );
/**
- * Provide a No-JS Flash fallback as a last resort for audio / video
+ * Provides a No-JS Flash fallback as a last resort for audio / video.
*
* @since 3.6.0
*
- * @param string $url
- * @return string Fallback HTML
+ * @param string $url The media element URL.
+ * @return string Fallback HTML.
*/
function wp_mediaelement_fallback( $url ) {
/**
}
/**
- * Return a filtered list of WP-supported audio formats.
+ * Returns a filtered list of WP-supported audio formats.
*
* @since 3.6.0
- * @return array
+ *
+ * @return array Supported audio formats.
*/
function wp_get_audio_extensions() {
/**
}
/**
- * Return useful keys to use to lookup data from an attachment's stored metadata.
+ * Returns useful keys to use to lookup data from an attachment's stored metadata.
*
* @since 3.9.0
*
* @param WP_Post $attachment The current attachment, provided for context.
- * @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
+ * @param string $context Optional. The context. Accepts 'edit', 'display'. Default 'display'.
* @return array Key/value pairs of field keys to labels.
*/
function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
}
/**
- * The Audio shortcode.
+ * Builds the Audio shortcode output.
*
* This implements the functionality of the Audio Shortcode for displaying
* WordPress mp3s in a post.
*
* @since 3.6.0
*
- * @param array $attr {
+ * @staticvar int $instance
+ *
+ * @param array $attr {
* Attributes of the audio shortcode.
*
* @type string $src URL to the source of the audio file. Default empty.
* @type string $autoplay The 'autoplay' attribute for the `<audio>` element. Default empty.
* @type string $preload The 'preload' attribute for the `<audio>` element. Default empty.
* @type string $class The 'class' attribute for the `<audio>` element. Default 'wp-audio-shortcode'.
- * @type string $id The 'id' attribute for the `<audio>` element. Default 'audio-{$post_id}-{$instances}'.
* @type string $style The 'style' attribute for the `<audio>` element. Default 'width: 100%'.
* }
- * @param string $content Optional. Shortcode content.
- * @return string HTML content to display audio.
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display audio.
*/
function wp_audio_shortcode( $attr, $content = '' ) {
$post_id = get_post() ? get_the_ID() : 0;
- static $instances = 0;
- $instances++;
+ static $instance = 0;
+ $instance++;
/**
* Filter the default audio shortcode output.
*
* @since 3.6.0
*
- * @param string $html Empty variable to be replaced with shortcode markup.
- * @param array $attr Attributes of the shortcode. @see wp_audio_shortcode()
- * @param string $content Shortcode content.
- * @param int $instances Unique numeric ID of this audio shortcode instance.
+ * @param string $html Empty variable to be replaced with shortcode markup.
+ * @param array $attr Attributes of the shortcode. @see wp_audio_shortcode()
+ * @param string $content Shortcode content.
+ * @param int $instance Unique numeric ID of this audio shortcode instance.
*/
- $override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instances );
+ $override = apply_filters( 'wp_audio_shortcode_override', '', $attr, $content, $instance );
if ( '' !== $override ) {
return $override;
}
*/
$html_atts = array(
'class' => apply_filters( 'wp_audio_shortcode_class', 'wp-audio-shortcode' ),
- 'id' => sprintf( 'audio-%d-%d', $post_id, $instances ),
+ 'id' => sprintf( 'audio-%d-%d', $post_id, $instance ),
'loop' => wp_validate_boolean( $atts['loop'] ),
'autoplay' => wp_validate_boolean( $atts['autoplay'] ),
'preload' => $atts['preload'],
}
$html = '';
- if ( 'mediaelement' === $library && 1 === $instances ) {
+ if ( 'mediaelement' === $library && 1 === $instance ) {
$html .= "<!--[if lt IE 9]><script>document.createElement('audio');</script><![endif]-->\n";
}
$html .= sprintf( '<audio %s controls="controls">', join( ' ', $attr_strings ) );
$fileurl = $atts[ $fallback ];
}
$type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
- $url = add_query_arg( '_', $instances, $atts[ $fallback ] );
+ $url = add_query_arg( '_', $instance, $atts[ $fallback ] );
$html .= sprintf( $source, $type['type'], esc_url( $url ) );
}
}
add_shortcode( 'audio', 'wp_audio_shortcode' );
/**
- * Return a filtered list of WP-supported video formats
+ * Returns a filtered list of WP-supported video formats.
*
* @since 3.6.0
- * @return array
+ *
+ * @return array List of supported video formats.
*/
function wp_get_video_extensions() {
/**
}
/**
- * The Video shortcode.
+ * Builds the Video shortcode output.
*
* This implements the functionality of the Video Shortcode for displaying
* WordPress mp4s in a post.
*
* @since 3.6.0
*
- * @param array $attr {
+ * @global int $content_width
+ * @staticvar int $instance
+ *
+ * @param array $attr {
* Attributes of the shortcode.
*
* @type string $src URL to the source of the video file. Default empty.
* Default 'metadata'.
* @type string $class The 'class' attribute for the `<video>` element.
* Default 'wp-video-shortcode'.
- * @type string $id The 'id' attribute for the `<video>` element.
- * Default 'video-{$post_id}-{$instances}'.
* }
- * @param string $content Optional. Shortcode content.
- * @return string HTML content to display video.
+ * @param string $content Shortcode content.
+ * @return string|void HTML content to display video.
*/
function wp_video_shortcode( $attr, $content = '' ) {
global $content_width;
$post_id = get_post() ? get_the_ID() : 0;
- static $instances = 0;
- $instances++;
+ static $instance = 0;
+ $instance++;
/**
* Filter the default video shortcode output.
*
* @see wp_video_shortcode()
*
- * @param string $html Empty variable to be replaced with shortcode markup.
- * @param array $attr Attributes of the video shortcode.
- * @param string $content Video shortcode content.
- * @param int $instances Unique numeric ID of this video shortcode instance.
+ * @param string $html Empty variable to be replaced with shortcode markup.
+ * @param array $attr Attributes of the video shortcode.
+ * @param string $content Video shortcode content.
+ * @param int $instance Unique numeric ID of this video shortcode instance.
*/
- $override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instances );
+ $override = apply_filters( 'wp_video_shortcode_override', '', $attr, $content, $instance );
if ( '' !== $override ) {
return $override;
}
}
}
+ $is_vimeo = $is_youtube = false;
$yt_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
+ $vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';
$primary = false;
if ( ! empty( $atts['src'] ) ) {
- if ( ! preg_match( $yt_pattern, $atts['src'] ) ) {
+ $is_vimeo = ( preg_match( $vimeo_pattern, $atts['src'] ) );
+ $is_youtube = ( preg_match( $yt_pattern, $atts['src'] ) );
+ if ( ! $is_youtube && ! $is_vimeo ) {
$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
if ( ! in_array( strtolower( $type['ext'] ), $default_types ) ) {
return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
}
}
+
+ if ( $is_vimeo ) {
+ wp_enqueue_script( 'froogaloop' );
+ }
+
$primary = true;
array_unshift( $default_types, 'src' );
} else {
*/
$html_atts = array(
'class' => apply_filters( 'wp_video_shortcode_class', 'wp-video-shortcode' ),
- 'id' => sprintf( 'video-%d-%d', $post_id, $instances ),
+ 'id' => sprintf( 'video-%d-%d', $post_id, $instance ),
'width' => absint( $atts['width'] ),
'height' => absint( $atts['height'] ),
'poster' => esc_url( $atts['poster'] ),
}
$html = '';
- if ( 'mediaelement' === $library && 1 === $instances ) {
+ if ( 'mediaelement' === $library && 1 === $instance ) {
$html .= "<!--[if lt IE 9]><script>document.createElement('video');</script><![endif]-->\n";
}
$html .= sprintf( '<video %s controls="controls">', join( ' ', $attr_strings ) );
if ( empty( $fileurl ) ) {
$fileurl = $atts[ $fallback ];
}
- if ( 'src' === $fallback && preg_match( $yt_pattern, $atts['src'] ) ) {
+ if ( 'src' === $fallback && $is_youtube ) {
$type = array( 'type' => 'video/youtube' );
+ } elseif ( 'src' === $fallback && $is_vimeo ) {
+ $type = array( 'type' => 'video/vimeo' );
} else {
$type = wp_check_filetype( $atts[ $fallback ], wp_get_mime_types() );
}
- $url = add_query_arg( '_', $instances, $atts[ $fallback ] );
+ $url = add_query_arg( '_', $instance, $atts[ $fallback ] );
$html .= sprintf( $source, $type['type'], esc_url( $url ) );
}
}
add_shortcode( 'video', 'wp_video_shortcode' );
/**
- * Display previous image link that has the same post parent.
+ * Displays previous image link that has the same post parent.
*
* @since 2.5.0
- * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
- * @param string $text Optional, default is false. If included, link will reflect $text variable.
- * @return string HTML content.
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Registered image size or flat array of height and width dimensions.
+ * 0 or 'none' will default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string $text Optional. Link text. Default false.
*/
-function previous_image_link($size = 'thumbnail', $text = false) {
+function previous_image_link( $size = 'thumbnail', $text = false ) {
adjacent_image_link(true, $size, $text);
}
/**
- * Display next image link that has the same post parent.
+ * Displays next image link that has the same post parent.
*
* @since 2.5.0
- * @param string $size Optional, default is 'thumbnail'. Size of image, either array or string. 0 or 'none' will default to post_title or $text;
- * @param string $text Optional, default is false. If included, link will reflect $text variable.
- * @return string HTML content.
+ *
+ * @see adjacent_image_link()
+ *
+ * @param string|array $size Optional. Registered image size or flat array of height and width dimensions.
+ * 0 or 'none' will default to 'post_title' or `$text`. Default 'thumbnail'.
+ * @param string $text Optional. Link text. Default false.
*/
function next_image_link($size = 'thumbnail', $text = false) {
adjacent_image_link(false, $size, $text);
}
/**
- * Display next or previous image link that has the same post parent.
+ * 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. Default is true to display previous link, false for next.
+ * @param bool $prev Optional. Whether to display the next (false) or previous (true) link. Default true.
+ * @param string|array $size Optional. Registered image size or flat array of height and width dimensions.
+ * Default 'thumbnail'.
+ * @param bool $text Optional. Link text. Default false.
*/
-function adjacent_image_link($prev = true, $size = 'thumbnail', $text = false) {
+function 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' ) ) );
}
/**
- * Retrieve taxonomies attached to the attachment.
+ * Retrieves taxonomies attached to given the attachment.
*
* @since 2.5.0
*
- * @param int|array|object $attachment Attachment ID, Attachment data array, or Attachment data object.
+ * @param int|array|object $attachment Attachment ID, data array, or data object.
* @return array Empty array on failure. List of taxonomies on success.
*/
-function get_attachment_taxonomies($attachment) {
- if ( is_int( $attachment ) )
- $attachment = get_post($attachment);
- else if ( is_array($attachment) )
+function get_attachment_taxonomies( $attachment ) {
+ if ( is_int( $attachment ) ) {
+ $attachment = get_post( $attachment );
+ } elseif ( is_array( $attachment ) ) {
$attachment = (object) $attachment;
-
+ }
if ( ! is_object($attachment) )
return array();
}
/**
- * Return all of the taxonomy names that are registered for attachments.
+ * Retrieves all of the taxonomy names that are registered for attachments.
*
* Handles mime-type-specific taxonomies such as attachment:image and attachment:video.
*
* @since 3.5.0
- * @see get_attachment_taxonomies()
*
- * @param string $output The type of output to return, either taxonomy 'names' or 'objects'. 'names' is the default.
+ * @see get_taxonomies()
+ *
+ * @param string $output Optional. The type of taxonomy output to return. Accepts 'names' or 'objects'.
+ * Default 'names'.
* @return array The names of all taxonomy of $object_type.
*/
function get_taxonomies_for_attachments( $output = 'names' ) {
/**
* Create new GD image resource with transparency support
- * @TODO: Deprecate if possible.
+ *
+ * @todo: Deprecate if possible.
*
* @since 2.9.0
*
- * @param int $width Image width
- * @param int $height Image height
- * @return resource resource
+ * @param int $width Image width in pixels.
+ * @param int $height Image height in pixels..
+ * @return resource The GD image resource.
*/
function wp_imagecreatetruecolor($width, $height) {
$img = imagecreatetruecolor($width, $height);
}
/**
- * Register an embed handler. This function should probably only be used for sites that do not support oEmbed.
+ * Registers an embed handler.
+ *
+ * Should probably only be used for sites that do not support oEmbed.
*
* @since 2.9.0
- * @see WP_Embed::register_handler()
*
* @global WP_Embed $wp_embed
- * @param string $id
- * @param string $regex
- * @param callable $callback
- * @param int $priority
+ *
+ * @param string $id An internal ID/name for the handler. Needs to be unique.
+ * @param string $regex The regex that will be used to see if this handler should be used for a URL.
+ * @param callback $callback The callback function that will be called if the regex is matched.
+ * @param int $priority Optional. Used to specify the order in which the registered handlers will
+ * be tested. Default 10.
*/
function wp_embed_register_handler( $id, $regex, $callback, $priority = 10 ) {
global $wp_embed;
}
/**
- * Unregister a previously registered embed handler.
+ * Unregisters a previously-registered embed handler.
*
* @since 2.9.0
- * @see WP_Embed::unregister_handler()
*
* @global WP_Embed $wp_embed
- * @param string $id
- * @param int $priority
+ *
+ * @param string $id The handler ID that should be removed.
+ * @param int $priority Optional. The priority of the handler to be removed. Default 10.
*/
function wp_embed_unregister_handler( $id, $priority = 10 ) {
global $wp_embed;
*
* @since 2.9.0
*
+ * @global int $content_width
+ *
* @param string $url Optional. The URL that should be embedded. Default empty.
*
* @return array Default embed parameters.
*
* @since 2.9.0
*
- * @param int $example_width The width of an example embed.
+ * @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.
+ * @param int $max_width The maximum allowed width.
+ * @param int $max_height The maximum allowed height.
* @return array The maximum possible width and height based on the example ratio.
*/
function wp_expand_dimensions( $example_width, $example_height, $max_width, $max_height ) {
* Attempts to fetch the embed HTML for a provided URL using oEmbed.
*
* @since 2.9.0
+ *
* @see WP_oEmbed
*
- * @param string $url The URL that should be embedded.
- * @param array $args Additional arguments and parameters.
+ * @param string $url The URL that should be embedded.
+ * @param array $args Optional. Additional arguments and parameters for retrieving embed HTML.
+ * Default empty.
* @return false|string False on failure or the embed HTML on success.
*/
function wp_oembed_get( $url, $args = '' ) {
* Adds a URL format and oEmbed provider URL pair.
*
* @since 2.9.0
+ *
* @see WP_oEmbed
*
- * @param string $format The format of URL that this provider can handle. You can use asterisks as wildcards.
- * @param string $provider The URL to the oEmbed provider.
- * @param boolean $regex Whether the $format parameter is in a regex format.
+ * @param string $format The format of URL that this provider can handle. You can use asterisks
+ * as wildcards.
+ * @param string $provider The URL to the oEmbed provider.
+ * @param boolean $regex Optional. Whether the `$format` parameter is in a RegEx format. Default false.
*/
function wp_oembed_add_provider( $format, $provider, $regex = false ) {
require_once( ABSPATH . WPINC . '/class-oembed.php' );
* Removes an oEmbed provider.
*
* @since 3.5.0
+ *
* @see WP_oEmbed
*
* @param string $format The URL format for the oEmbed provider to remove.
+ * @return bool Was the provider removed successfully?
*/
function wp_oembed_remove_provider( $format ) {
require_once( ABSPATH . WPINC . '/class-oembed.php' );
* it hasn't, then it will load the embeds library.
*
* @since 2.9.0
+ *
+ * @see wp_embed_register_handler()
*/
function wp_maybe_load_embeds() {
/**
return;
}
- wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/embed/([^/]+)#i', 'wp_embed_handler_youtube' );
+ wp_embed_register_handler( 'youtube_embed_url', '#https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i', 'wp_embed_handler_youtube' );
wp_embed_register_handler( 'googlevideo', '#http://video\.google\.([A-Za-z.]{2,5})/videoplay\?docid=([\d-]+)(.*?)#i', 'wp_embed_handler_googlevideo' );
}
/**
- * The Google Video embed handler callback. Google Video does not support oEmbed.
+ * The Google Video embed handler callback.
+ *
+ * Google Video does not support oEmbed.
*
* @see WP_Embed::register_handler()
* @see WP_Embed::shortcode()
*
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
+ * @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
+ * @param array $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
* @since 2.9.0
*
* @param string $html Google Video HTML embed markup.
- * @param array $matches The regex matches from the provided regex.
+ * @param array $matches The RegEx matches from the provided regex.
* @param array $attr An array of embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
}
/**
- * YouTube embed handler callback.
+ * YouTube iframe embed handler callback.
*
- * Catches URLs that can be parsed but aren't supported by oEmbed.
+ * Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is.
*
* @since 4.0.0
*
- * @param array $matches The regex matches from the provided regex when calling
- * {@see wp_embed_register_handler()}.
+ * @global WP_Embed $wp_embed
+ *
+ * @param array $matches The RegEx matches from the provided regex when calling
+ * wp_embed_register_handler().
* @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
* @param array $rawattr The original unmodified attributes.
function wp_embed_handler_youtube( $matches, $attr, $url, $rawattr ) {
global $wp_embed;
$embed = $wp_embed->autoembed( "https://youtube.com/watch?v={$matches[2]}" );
+
/**
* Filter the YoutTube embed output.
*
*
* @since 3.6.0
*
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
+ * @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
+ * @param array $attr Embed attributes.
* @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
+ * @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_audio( $matches, $attr, $url, $rawattr ) {
*
* @since 3.6.0
*
- * @param array $matches The regex matches from the provided regex when calling {@link wp_embed_register_handler()}.
- * @param array $attr Embed attributes.
- * @param string $url The original URL that was matched by the regex.
- * @param array $rawattr The original unmodified attributes.
+ * @param array $matches The RegEx matches from the provided regex when calling wp_embed_register_handler().
+ * @param array $attr Embed attributes.
+ * @param string $url The original URL that was matched by the regex.
+ * @param array $rawattr The original unmodified attributes.
* @return string The embed HTML.
*/
function wp_embed_handler_video( $matches, $attr, $url, $rawattr ) {
}
/**
- * Determine the maximum upload size allowed in php.ini.
+ * Determines the maximum upload size allowed in php.ini.
*
* @since 2.5.0
*
* Returns a WP_Image_Editor instance and loads file into it.
*
* @since 3.5.0
- * @access public
*
- * @param string $path Path to file to load
- * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return WP_Image_Editor|WP_Error
+ * @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 if successful, an WP_Error
+ * object otherwise.
*/
function wp_get_image_editor( $path, $args = array() ) {
$args['path'] = $path;
* Tests whether there is an editor that supports a given mime type or methods.
*
* @since 3.5.0
- * @access public
*
- * @param string|array $args Array of requirements. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return boolean true if an eligible editor is found; false otherwise
+ * @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
- * @access private
*
- * @param array $args Additional data. Accepts { 'mime_type'=>string, 'methods'=>{string, string, ...} }
- * @return string|bool Class name for the first editor that claims to support the request. False if no editor claims to support the request.
+ * @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';
* @since 3.4.0
*/
function wp_plupload_default_settings() {
- global $wp_scripts;
+ $wp_scripts = wp_scripts();
$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
if ( $data && false !== strpos( $data, '_wpPluploadSettings' ) )
$wp_scripts->add_data( 'wp-plupload', 'data', $script );
}
-add_action( 'customize_controls_enqueue_scripts', 'wp_plupload_default_settings' );
/**
* Prepares an attachment post object for JS, where it is expected
* @since 3.5.0
*
* @param mixed $attachment Attachment ID or object.
- * @return array Array of attachment details.
+ * @return array|void Array of attachment details.
*/
function wp_prepare_attachment_for_js( $attachment ) {
if ( ! $attachment = get_post( $attachment ) )
$response = array(
'id' => $attachment->ID,
'title' => $attachment->post_title,
- 'filename' => wp_basename( $attachment->guid ),
+ '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 ),
* all media JS APIs.
*
* @since 3.5.0
+ *
+ * @global int $content_width
+ * @global wpdb $wpdb
+ * @global WP_Locale $wp_locale
+ *
+ * @param array $args {
+ * Arguments for enqueuing media scripts.
+ *
+ * @type int|WP_Post A post object or ID.
+ * }
*/
function wp_enqueue_media( $args = array() ) {
-
// Enqueue me just once per page, please.
if ( did_action( 'wp_enqueue_media' ) )
return;
$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 ( 0 === strpos( $post->post_mime_type, 'audio/' ) ) {
+ if ( wp_attachment_is( 'audio', $post ) ) {
$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
- } elseif ( 0 === strpos( $post->post_mime_type, 'video/' ) ) {
+ } elseif ( wp_attachment_is( 'video', $post ) ) {
$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
}
}
$hier = $post && is_post_type_hierarchical( $post->post_type );
+ if ( $post ) {
+ $post_type_object = get_post_type_object( $post->post_type );
+ } else {
+ $post_type_object = get_post_type_object( 'post' );
+ }
+
$strings = array(
// Generic
'url' => __( 'URL' ),
lack of plural support here, turn it into "selected: %d" then translate it.
*/
'selected' => __( '%d selected' ),
- 'dragInfo' => __( 'Drag and drop to reorder images.' ),
+ 'dragInfo' => __( 'Drag and drop to reorder media files.' ),
// Upload
'uploadFilesTitle' => __( 'Upload Files' ),
'insertFromUrlTitle' => __( 'Insert from URL' ),
// Featured Images
- 'setFeaturedImageTitle' => __( 'Set Featured Image' ),
- 'setFeaturedImage' => __( 'Set featured image' ),
+ 'setFeaturedImageTitle' => $post_type_object->labels->featured_image,
+ 'setFeaturedImage' => $post_type_object->labels->set_featured_image,
// Gallery
'createGalleryTitle' => __( 'Create Gallery' ),
}
/**
- * Retrieve media attached to the passed post.
+ * Retrieves media attached to the passed post.
*
* @since 3.6.0
*
* @since 3.6.0
*
* @param string $content A string which might contain media data.
- * @param array $types array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'
- * @return array A list of found HTML media embeds
+ * @param array $types An array of media types: 'audio', 'video', 'object', 'embed', or 'iframe'.
+ * @return array A list of found HTML media embeds.
*/
function get_media_embedded_in_content( $content, $types = null ) {
$html = array();
- $allowed_media_types = array( 'audio', 'video', 'object', 'embed', 'iframe' );
+
+ /**
+ * Filter the embedded media types that are allowed to be returned from the content blob.
+ *
+ * @since 4.2.0
+ *
+ * @param array $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 ) )
+ if ( ! is_array( $types ) ) {
$types = array( $types );
+ }
+
$allowed_media_types = array_intersect( $allowed_media_types, $types );
}
- foreach ( $allowed_media_types as $tag ) {
- if ( preg_match( '#' . get_tag_regex( $tag ) . '#', $content, $matches ) ) {
- $html[] = $matches[0];
+ $tags = implode( '|', $allowed_media_types );
+
+ if ( preg_match_all( '#<(?P<tag>' . $tags . ')[^<]*?(?:>[\s\S]*?<\/(?P=tag)>|\s*\/>)#', $content, $matches ) ) {
+ foreach ( $matches[0] as $match ) {
+ $html[] = $match;
}
}
}
/**
- * Retrieve galleries from the passed post's content.
+ * Retrieves galleries from the passed post's content.
*
* @since 3.6.0
*
- * @param int|WP_Post $post Optional. Post ID or object.
- * @param bool $html Whether to return HTML or data in the array.
+ * @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.
+ * from the expanded shortcode.
*/
function get_post_galleries( $post, $html = true ) {
if ( ! $post = get_post( $post ) )
* @since 3.6.0
*
* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
- * @param bool $html Whether to return HTML or data.
+ * @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 ) {
*
* @since 3.6.0
*
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @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
+ * from an expanded shortcode
*/
function get_post_galleries_images( $post = 0 ) {
$galleries = get_post_galleries( $post, false );
}
/**
- * Check a post's content for galleries and return the image srcs for the first found gallery
+ * Checks a post's content for galleries and return the image srcs for the first found gallery
*
* @since 3.6.0
*
- * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
+ * @see get_post_gallery()
+ *
+ * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global `$post`.
* @return array A list of a gallery's image srcs in order.
*/
function get_post_gallery_images( $post = 0 ) {
}
/**
- * Maybe attempt to generate attachment metadata, if missing.
+ * Maybe attempts to generate attachment metadata, if missing.
*
* @since 3.9.0
*
}
/**
- * Try to convert an attachment URL into a post ID.
+ * 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.
+ * @return int The found post ID, or 0 on failure.
*/
function attachment_url_to_postid( $url ) {
global $wpdb;
$path
);
$post_id = $wpdb->get_var( $sql );
- if ( ! empty( $post_id ) ) {
- return (int) $post_id;
- }
+
+ /**
+ * Filter 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.
+ */
+ $post_id = apply_filters( 'attachment_url_to_postid', $post_id, $url );
+
+ return (int) $post_id;
}
/**
- * Return the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
+ * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
*
* @since 4.0.0
*
- * @global $wp_version
+ * @global string $wp_version
*
* @return array The relevant CSS file URLs.
*/