if(!$params["videos"]) return; $videos_array = explode("\n",$params["videos"]); $first =true; foreach($videos_array as $video){ $v = preg_match("/v=([^&]+)/",$video,$video_id); echo '{'; if($first == false) echo ','; echo 'id: \''.trim($video_id[1]).'\''; $first = false; echo '}'; }