3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a = 'foo'; $array = [&$a]; var_dump($array); $newArray = array_map(function(&$item){ return $item; }, $array); var_dump($newArray);
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '<' in /in/mVJVD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '<' in /in/mVJVD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mVJVD on line 3
Process exited with code 255.
preferences:
207.36 ms | 1395 KiB | 115 Q