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<?php $result = array_diff_assoc(array('a' => array('b' => 'c')), array('a' => false)); var_dump($result);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/FluK4 on line 3 array(1) { ["a"]=> array(1) { ["b"]=> string(1) "c" } }
Output for 4.3.0 - 5.3.29
array(1) { ["a"]=> array(1) { ["b"]=> string(1) "c" } }