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