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<?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));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Array to string conversion in /in/cWnHd on line 11 Warning: Array to string conversion in /in/cWnHd on line 11 array(0) { }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.29 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Array to string conversion in /in/cWnHd on line 11 Notice: Array to string conversion in /in/cWnHd on line 11 array(0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
array(0) { }

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