View difference between Paste ID: xvqSvbYk and

-
+// Save Featured Image If It's a youtube video
 add_action('save_post', 'wds_video_sideload_post_thumb');
 function wds_video_sideload_post_thumb() {
 global $post;
 
     $youtube_url = get_post_meta( $post->ID, 'videobox', true );
     $youtubeid = youtubeid($youtube_url);
         $thumb_url = 'http://img.youtube.com/vi/'. $youtubeid .'/0.jpg';
 
         require_once(ABSPATH . 'wp-admin/includes/file.php');
         require_once(ABSPATH . 'wp-admin/includes/media.php');
         set_time_limit(300);
 
         if ( ! empty($thumb_url) ) {
             // Download file to temp location
             $tmp = download_url( $thumb_url );
 
             // Set variables for storage
             // fix file filename for query strings
             preg_match('/[^\?]+\.(jpg|JPG|jpe|JPE|jpeg|JPEG|gif|GIF|png|PNG)/', $thumb_url, $matches);
             $file_array['name'] = basename($matches[0]);
             $file_array['tmp_name'] = $tmp;
 
             // If error storing temporarily, unlink
             if ( is_wp_error( $tmp ) ) {
                 @unlink($file_array['tmp_name']);
                 $file_array['tmp_name'] = '';
             }
 
             // do the validation and storage stuff
             $thumbid = media_handle_sideload( $file_array, $post->ID, $desc );
             // If error storing permanently, unlink
             if ( is_wp_error($thumbid) ) {
                 @unlink($file_array['tmp_name']);
                 return $thumbid;
             }
         }
 
         set_post_thumbnail( $post, $thumbid );
 }
 
 function youtubeid($url) {
     $domain = parse_url( $url, PHP_URL_HOST );
     $url = esc_url( $url );
     if ( $domain == 'www.youtube.com' || $domain == 'youtube.com' ) {
         parse_str( parse_url( $url, PHP_URL_QUERY ) );
         $youtubeid = $v;
     } else {
         $youtubeid = '';
     }
     return $youtubeid;
 }