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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'foo'; $array = [&$a]; var_dump($array); $newArray = array_map(function(&$item){ return $item; }, $array); var_dump($newArray);
Output for 5.4.0 - 7.1.0
array(1) { [0]=> &string(3) "foo" } array(1) { [0]=> string(3) "foo" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/M4O2D on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/M4O2D on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/M4O2D on line 4
Process exited with code 255.