3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php ob_start(); for ($i = 0; $i < 10; $i++) { echo $i; } $output = ob_get_contents(); ob_end_clean(); echo $ouput; ?>
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: ouput in /in/N2lvj on line 8
Output for 4.3.0 - 5.4.45