3v4l.org

run code in 300+ PHP versions simultaneously
<?php $one = array('a' => array(1,2,3), array(8,6,7)); $second = array('b' => array(), array(2,3,4), array(7,4,5), array(1,4,5)); $res = array_diff($one, $second); var_dump($res);

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66.78 ms | 402 KiB | 5 Q