sasa

function get_youtube_kod($post_id=null) {
    // Get the post ID if none is provided
    if($post_id==null OR $post_id=='') $post_id = get_the_ID();

        // Gets the post's content
        $post_array = get_post($post_id);
        $markup = $post_array->post_content;

        // Checks for a standard YouTube embed
        preg_match('#<object[^>]+>.+?http://www.youtube.com/v/([A-Za-z0-9\-_]+).+?</object>#s', $markup, $matches);

        // Checks for any YouTube URL
        if(!isset($matches[1])) {
            preg_match('#http://w?w?w?.?youtube.com/watch\?v=([A-Za-z0-9\-_]+)#s', $markup, $matches);
        }

        // If no standard YouTube embed is found, checks for one embedded with JR_embed
        if(!isset($matches[1])) {
            preg_match('#\[yt url=([A-Za-z0-9\-_]+)]#s', $markup, $matches);
        }

        if(!isset($matches[1])) {
                preg_match('#\[yt url=([A-Za-z0-9\-_]+)[^>]*]#s', $markup, $matches);
        }

        // If we've found a YouTube video ID, create the thumbnail URL
        if(isset($matches[1])) {
            $youtube_kod = $matches[1];

        }

};

function youtube_kodic ($post_id=null) {
     echo $youtube_kod;
};