3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr1 = array('0'=>'55959'); $arr2 = array('0'=>'55959', '1'=>'55867', '2'=>'55960'); $diff = array_diff($arr2, $arr1); echo count($diff);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2