3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php random_bytes(50);
Output for 7.0.0 - 7.2.0
Output for 5.3.18 - 5.6.28
Fatal error: Call to undefined function random_bytes() in /in/0XMu1 on line 3
Process exited with code 255.