3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class fun { } $a = null; $fun = new fun($a = 123); var_dump($a); var_dump($fun);
Output for hhvm-3.10.0 - 3.12.0, 7.1.0
int(123) object(fun)#1 (0) { }
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.0.14
NULL object(fun)#1 (0) { }
Output for 4.3.0 - 4.4.9
NULL object(fun)(0) { }