3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $text = "hello"; for ($i=0;$i<1000;$i++) $text = md5(sha1($text)); echo $text;
based on UtbWj
Output for 4.3.0 - 7.2.0
8f27579c8793f0fef6cd0ad79492ea62