3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $data = 2; $length = 5; $text = substr( base64_encode( $data . microtime(true) ), 0, $length ); echo $text;
based on 2UstI
Output for 5.3.19 - 7.2.0
MjE0N