3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo number_format('1.2.3',3);
Output for 5.3.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/gD8p1 on line 2 1.200
Output for 4.3.0 - 5.2.17
1.200