3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo urlencode('https://www.youtube.com/watch?v=kCpKhyBd_94');
Output for 4.3.0 - 7.2.0
https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DkCpKhyBd_94