3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo ("5.7" + 1); echo (5.7 + "1"); echo ("1" + 5.7); echo (1 + "5.7"); echo ("1" + "5.7");
based on g0LRY
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
6.76.76.76.76.7