3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $heading = 'h2' + 'h3'; if('h1') { echo ++$heading; }
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/EkCe1 on line 2 Warning: A non-numeric value encountered in /in/EkCe1 on line 2 1
Output for 4.3.0 - 7.0.20
1