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<?php $a = array(1,5,16,7,4); $b = $a; asort($b); var_dump($b); $a = array_intersect_keys($b, $a); var_dump($a); array_walk($a, function(&$value) { ++$value; }); var_dump($a);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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(5) { [0]=> int(1) [4]=> int(4) [1]=> int(5) [3]=> int(7) [2]=> int(16) } Fatal error: Uncaught Error: Call to undefined function array_intersect_keys() in /in/hR85s:8 Stack trace: #0 {main} thrown in /in/hR85s on line 8
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
array(5) { [0]=> int(1) [4]=> int(4) [1]=> int(5) [3]=> int(7) [2]=> int(16) } Fatal error: Call to undefined function array_intersect_keys() in /in/hR85s on line 8
Process exited with code 255.
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