3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Test { } $o = new Test($a=9); var_dump($a);
Output for 7.1.0 - 7.3.0rc4
int(9)
Output for 5.0.4 - 7.0.20
Notice: Undefined variable: a in /in/IHuIe on line 5 NULL
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/IHuIe on line 5 NULL