3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $b = ['x' => 1, 'y' => 1]; $a = ['x' => 1, 'z' => 2]; if (count(array_diff(array_merge($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 - 7.3.0rc6
not the same