3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function ($a, $a) { };
based on usQhl
Output for 7.0.0
Fatal error: Redefinition of parameter $a in /in/8Vn3V on line 3
Process exited with code 255.
Output for 5.3.20 - 5.6.28