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run code in 200+ php & hhvm versions
Bugs & Features
<?php $b = [1 => 1, 1 => 1]; $a = [4 => 1, 2=> 2]; if (count(array_diff(array_merge($a, $b), array_intersect($a, $b))) === 0) { echo 'the same'; } else { echo 'not the same'; }
Output for 5.6.30, hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.2.9
not the same