3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo '4lkjlfkdjs' - 'flfksdjjlkj2lkjskdjfl';
based on NVqtn
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/LjPDF on line 2 Warning: A non-numeric value encountered in /in/LjPDF on line 2 4
Output for 5.3.18 - 7.0.20
4