3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $all = [ '1', '2', '3', '4', ]; $new = [ '3', '2', '5', ]; $toRemove = array_diff($all, $new); $toAdd = array_intersect($all, $new); print_r($toAdd); print_r($toRemove);
based on IDmKE
Output for 5.4.0 - 7.2.0
Array ( [1] => 2 [2] => 3 ) Array ( [0] => 1 [3] => 4 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/5XXrr on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/5XXrr on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/5XXrr on line 3
Process exited with code 255.