3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ($_, $_) { };
Output for 7.0.0
Fatal error: Redefinition of parameter $_ in /in/usQhl on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
preferences:
159.47 ms | 1012 KiB | 7 Q