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<?php $array= array(1,2,3,3,4,5); print_r(array_diff_key($array));
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
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 3 [4] => 4 [5] => 5 )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_diff_key(): at least 2 parameters are required, 1 given in /in/PieXm on line 4
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Wrong parameter count for array_diff_key() in /in/PieXm on line 4
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_diff_key() in /in/PieXm on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_diff_key() in /in/PieXm on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_diff_key() in /in/PieXm on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_diff_key() in /in/PieXm on line 4

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