for no-JS.
* @param string $url Media file URL.
*/
return apply_filters( 'wp_mediaelement_fallback', sprintf( '%1$s', esc_url( $url ) ), $url );
}
/**
* Returns a filtered list of supported audio formats.
*
* @since 3.6.0
*
* @return string[] Supported audio formats.
*/
function wp_get_audio_extensions() {
/**
* Filters the list of supported audio formats.
*
* @since 3.6.0
*
* @param string[] $extensions An array of supported audio formats. Defaults are
* 'mp3', 'ogg', 'flac', 'm4a', 'wav'.
*/
return apply_filters( 'wp_audio_extensions', array( 'mp3', 'ogg', 'flac', 'm4a', 'wav' ) );
}
/**
* 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 Optional. The context. Accepts 'edit', 'display'. Default 'display'.
* @return string[] Key/value pairs of field keys to labels.
*/
function wp_get_attachment_id3_keys( $attachment, $context = 'display' ) {
$fields = array(
'artist' => __( 'Artist' ),
'album' => __( 'Album' ),
);
if ( 'display' === $context ) {
$fields['genre'] = __( 'Genre' );
$fields['year'] = __( 'Year' );
$fields['length_formatted'] = _x( 'Length', 'video or audio' );
} elseif ( 'js' === $context ) {
$fields['bitrate'] = __( 'Bitrate' );
$fields['bitrate_mode'] = __( 'Bitrate Mode' );
}
/**
* Filters the editable list of keys to look up data from an attachment's metadata.
*
* @since 3.9.0
*
* @param array $fields Key/value pairs of field keys to labels.
* @param WP_Post $attachment Attachment object.
* @param string $context The context. Accepts 'edit', 'display'. Default 'display'.
*/
return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
}
/**
* 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 {
* Attributes of the audio shortcode.
*
* @type string $src URL to the source of the audio file. Default empty.
* @type string $loop The 'loop' attribute for the `
