run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(max(1));
based on WZF1i
Output for 5.3.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0RC3
Warning: max(): When only one parameter is given, it must be an array in /in/nJ2jG on line 3 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.2.17
Warning: Wrong parameter count for max() in /in/nJ2jG on line 3 NULL