3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php number_format($number, 0, ',', '.');
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: number in /in/NSge7 on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: number in /in/NSge7 on line 2