3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sum = 1/2^2 + 1/3^2 + 1/4^2 + 1/5^2 + 1/6^2 + 1/7^2 + 1/8^2 + 1/9^2 + 1/10^2; echo 'The sum is '.$sum;
based on Wa0NE
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
The sum is 2