3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "121abc" + 5;
based on T4oY8
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/FhClg on line 3 126
Output for 5.3.19 - 7.0.20
126