3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo '0 '+' 1'; echo '0'; echo '00';
based on mdlpF
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/tgirr on line 3 1000
Output for 5.3.20 - 7.0.20
1000