3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $haha = $lol; $test = 1; $var = $test; if(isset($var)) echo 'lol';
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: lol in /in/rgvTU on line 2 lol
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: lol in /in/rgvTU on line 2 lol