3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $serialize = serialize(array('x', 'y', 'z')); echo unserialize($serialize);
Output for 5.4.0 - 7.2.0
Notice: Array to string conversion in /in/utL3p on line 4 Array
Output for 4.3.0 - 5.3.29
Array