YouTube Short Link

<?php
$message = "Big tit's http://www.youtube.com/watch?v=v5V4lc3jaZE&feature=player_embedded&hd=1 :)"

// youtube, make short url
$message = preg_replace(
    '#http://(?:www\.)?youtube.com/watch\?v=([0-9A-Za-z-_~]{11})[&=0-9A-Za-z_^]*#i',
    'http://youtu.be/$1',
    $message
);

echo $message;