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run code in 200+ php & hhvm versions
Bugs & Features
<?php $old = [1,2,3]; $new = [3,2,4]; print_r(array_diff($old, $new)); print_r(array_diff($new, $old));
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
Array ( [0] => 1 ) Array ( [2] => 4 )