3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); $a[] = 1; $a[] = 2; $a[] = 3; $b = array(); $b[] = 4; echo array_diff($a, $b);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/NiJo2 on line 8 Array
Output for 4.3.0 - 5.3.29
Array