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run code in 150+ php & hhvm versions
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<?php array_diff_assoc(array('a' => array('b' => 'c')), array('a' => array('b' => 'c')));
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/O2TEn on line 3 Notice: Array to string conversion in /in/O2TEn on line 3
Output for 4.3.0 - 5.3.29