3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = '123%3E%3Csvg%20onload=alert(1)%3'; echo urlencode($str);
Output for 4.3.0 - 7.2.0
123%253E%253Csvg%2520onload%3Dalert%281%29%253