wp_read_audio_metadata example

$metadata  = array();
    $support   = false;
    $mime_type = get_post_mime_type( $attachment );

    if ( preg_match( '!^image/!', $mime_type ) && file_is_displayable_image( $file ) ) {
        // Make thumbnails and other intermediate sizes.         $metadata = wp_create_image_subsizes( $file, $attachment_id );
    } elseif ( wp_attachment_is( 'video', $attachment ) ) {
        $metadata = wp_read_video_metadata( $file );
        $support  = current_theme_supports( 'post-thumbnails', 'attachment:video' ) || post_type_supports( 'attachment:video', 'thumbnail' );
    } elseif ( wp_attachment_is( 'audio', $attachment ) ) {
        $metadata = wp_read_audio_metadata( $file );
        $support  = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
    }

    /* * wp_read_video_metadata() and wp_read_audio_metadata() return `false` * if the attachment does not exist in the local filesystem, * so make sure to convert the value to an array. */
    if ( ! is_array( $metadata ) ) {
        $metadata = array();
    }

    

$ext  = pathinfo( $name, PATHINFO_EXTENSION );
    $name = wp_basename( $name, ".$ext" );

    $url     = $file['url'];
    $type    = $file['type'];
    $file    = $file['file'];
    $title   = sanitize_text_field( $name );
    $content = '';
    $excerpt = '';

    if ( preg_match( '#^audio#', $type ) ) {
        $meta = wp_read_audio_metadata( $file );

        if ( ! empty( $meta['title'] ) ) {
            $title = $meta['title'];
        }

        if ( ! empty( $title ) ) {

            if ( ! empty( $meta['album'] ) && ! empty( $meta['artist'] ) ) {
                /* translators: 1: Audio track title, 2: Album title, 3: Artist name. */
                $content .= sprintf( __( '"%1$s" from %2$s by %3$s.' ), $title, $meta['album'], $meta['artist'] );
            } elseif ( ! empty( $meta['album'] ) ) {