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run code in 300+ PHP versions simultaneously
<?php $arr1 = array('foo' => array('bar11', 'bar12')); $arr2 = array('foo' => array('bar21', 'bar12'), 'foo2' => 'bar2b', 'foo3' => array('qwerty')); var_dump(array_diff_assoc($arr1, $arr2));

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