3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo number_format('100,20');
Output for 5.5.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: A non well formed numeric value encountered in /in/7OVuN on line 2 100
Output for 4.3.0 - 5.4.45, hhvm-3.10.0 - 3.12.0
100