Embed Youtube

<?php
function embed_youtube ($url) 
 
{
 
    // split up string
 
 
    $parts  = array_merge(array(), array_filter(explode('/', $url)));
 
    // clean parts
    if(stripos($parts['1'], 'www') !== false)
    {
        $parts['1'] = substr($parts['1'], 4);
    }
 
    // parse link
 
    switch($parts[1])
    {
        case 'youtu.be':
            $video  = $parts[2];
            break;
        case 'youtube.com':
            $raw    = array_merge(array(), array_filter(explode("?", $parts[2])));
            $qs     = array_merge(array(), array_filter(explode("&", $raw[1])));
 
            $qp = array();
 
            foreach($qs as $value) {
                $qi = array_merge(array(), array_filter(explode("=", $value)));
                $qp[$qi[0]] = $qi[1];
            }
 
            $video  = $qp['v'];
            break;
        default:
            $video = FALSE;
    }
 
    // build embed string
    ?>
    <iframe 
        width="560" 
        height="349" 
        src="http://www.youtube.com/embed/<?php echo $video; ?>" 
        frameborder="0" 
        allowfullscreen>
    </iframe>
    <?php
 
}
?>