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<?php $a1 = array ("127", "10", "0"); $a2 = array ("127", "20", "30", "11"); print_r (array_diff_key($a2, $a1)); ?>
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [3] => 11 )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_diff_key() in /in/SUE9R on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_diff_key() in /in/SUE9R on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_diff_key() in /in/SUE9R on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_diff_key() in /in/SUE9R on line 5