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<?php var_dump(array_diff(array_combine(array(1, 2, 4), array(1, 2, 5)), array_intersect(array(1, 2, 4),array(1, 2, 5)))); var_Dump(array(1, 2, 4)+array(1, 2, 5));
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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(1) { [4]=> int(5) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(4) }
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/jt9IR on line 2
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_combine() in /in/jt9IR on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/jt9IR on line 2

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