3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php base64_encode(null);
Output for 5.6.0 - 5.6.38, hhvm-3.20.2 - 3.22.0, 7.0.0 - 7.3.0
Output for hhvm-3.12.14 - 3.19.2
Warning: base64_encode() expects parameter 1 to be string, null given in /in/C8Jj0 on line 3