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<?php $array = ['x', 'y', 'z']; foreach($array as &$element) { if ($element=='x') { $element = 'a'; } } var_dump($array);
Output for 5.4.26, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
array(3) { [0]=> string(1) "a" [1]=> string(1) "y" [2]=> &string(1) "z" }
Output for 5.3.28
Parse error: syntax error, unexpected '[' in /in/D76Su on line 2
Process exited with code 255.
preferences:
76.86 ms | 406 KiB | 5 Q