Mine

<?phpfunction processVideoUri( $uri ) {    // Stockage des parametres relatifs aux différents services    $params['video.google'] = array(        'pattern'   => 'http://(video\.google)\.com/videoplay\?docid=(.*?)',        'src'       => 'http://video.google.com/googleplayer.swf?docId=%s',        'width'     => 425,        'height'    => 350,    );    $params['youtube'] = array(        'pattern'   => 'http\://www\.(youtube)\.com/watch\?v=(.*?)',        'src'       => 'http://www.youtube.com/v/%s',        'width'     => 425,        'height'    => 350,    );    // Construction du pattern global    $patterns = array();    foreach ( $params as $service => $param ) {        $patterns[] = $param['pattern'];    }    $pattern = '`^(?:'.join('|', $patterns).')$`';    preg_match($pattern, $uri, $match);        // Retour des resultats    return array(        'width'     => $params[$match[1]]['width'],        'height'    => $params[$match[1]]['height'],        'src'       => sprintf($params[$match[1]]['src'], $match[2])    );    } // end of 'processVideoUri()'$video = processVideoUri('http://www.youtube.com/watch?v=X2BEhk1fqZo');//$video = processVideoUri('http://video.google.com/videoplay?docid=3163263343187879320');?><object width="<?php echo $video['width']; ?>" height="<?php echo $video['height']; ?>">    <param name="movie" value="<?php echo $video['src']; ?>" />    <param name="wmode" value="transparent" />    <embed src="<?php echo $video['src']; ?>" type="application/x-shockwave-flash" wmode="transparent" width="<?php echo $video['width']; ?>" height="<?php echo $video['height']; ?>"></embed></object>