3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function () { $hello = 1}; $s = serialize($f); echo $s;
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '}' in /in/8AQZt on line 2
Process exited with code 255.
preferences:
177.69 ms | 1395 KiB | 53 Q