3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(01 == 1) ; print_r($a);
Output for 5.0.4 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true) Notice: Undefined variable: a in /in/BGMvk on line 3
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
bool(true) Notice: Undefined variable: a in /in/BGMvk on line 3