3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $heading = 'h2'; echo ++$heading."\n"; echo ++$heading."\n"; echo ++$heading."\n"; echo ++$heading."\n";
based on FObfu
Output for 4.3.0 - 7.2.0
h3 h4 h5 h6