Fix Featured Video for Iframe or Embed code

/* Fix Featured Video for Iframe or Embed code */
function jnews_check_video_type( $url ) {
    if ( strpos( $url, 'iframe' ) > 0 ) {
        return 'iframe';
    } elseif ( strpos( $url, 'youtube' ) > 0 || strpos( $url, 'youtu.be' ) > 0 ) {
        return 'youtube';
    } elseif ( strpos( $url, 'vimeo' ) > 0 ) {
        return 'vimeo';
    } elseif ( strpos( $url, 'dailymotion' ) > 0 || strpos( $url, 'dai.ly' ) > 0 ) {
        return 'dailymotion';
    } else {
        return 'unknown';
    }
}