3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php (function ($a, $b) { echo $a, $b; })('a', 'b');
Output for hhvm-3.15.4, 7.0.0 - 7.3.0rc3
ab
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '(' in /in/YJCFT on line 5
Process exited with code 255.