3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = '1234567890'; $b = '1234567890'; print $output; ?>
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: output in /in/bp6qL on line 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: output in /in/bp6qL on line 5