3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'foo'; $array = [&$a]; $newArray = array_map(function($item){ return $item}, $array); var_dump($newArray);
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '}' in /in/fYI3b on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/fYI3b on line 4
Process exited with code 255.