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run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = [0]; foreach ($array as &$value) { $array[1] = 1; } var_dump($array);
Output for 7.0.0 - 7.2.0
array(2) { [0]=> int(0) [1]=> &int(1) }
Output for 5.4.9 - 5.6.28
array(2) { [0]=> &int(0) [1]=> int(1) }
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/3QBdk on line 2
Process exited with code 255.