3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [2, 4, 6, 8, 4048]; $a2 = [4, 8, 12, 16, 8096]; $a3 = []; $a3 = array_intersect($a1, $a2); var_dump($a3); ?>

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36.36 ms | 402 KiB | 5 Q