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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=array(1,2,3,5); $b=array(2,1,3,4); var_dump(array_diff($a, $b));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { [3]=> int(5) }