3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bar = 'bat'; call_user_func(function() use ($bar) { echo $bar });
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22, 5.5.0 - 5.5.6
Parse error: syntax error, unexpected '}', expecting ',' or ';' in /in/JJVc0 on line 3
Process exited with code 255.
preferences:
181.61 ms | 1395 KiB | 65 Q