3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $aa = 1; echo "$a";
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: a in /in/OfG2G on line 3
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/OfG2G on line 3