3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 7.799999999999997; printf("%.16f", round(7.799999999999997, 2));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
7.87.7999999999999998