3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(number_format(''));
Output for 7.0.0 - 7.2.6
Warning: number_format() expects parameter 1 to be float, string given in /in/NesiG on line 3 NULL
Output for 5.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3
Warning: number_format() expects parameter 1 to be double, string given in /in/NesiG on line 3 NULL
Output for 4.3.0 - 5.2.17
string(1) "0"