3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if(1){var_dump($d);}
Output for 5.0.4 - 7.2.6
Notice: Undefined variable: d in /in/RNBkv on line 2 NULL
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: d in /in/RNBkv on line 2 NULL