3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(array_map('unserialize','i:13;'));
based on kQgbZ
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.3.0beta1
Warning: array_map(): Argument #2 should be an array in /in/tPDo4 on line 3 NULL
Output for hhvm-3.12.14 - 3.17.3
Warning: array_map(): Argument #2 should be an array or collection NULL