3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(number_format("", 0));
Output for 7.0.0 - 7.1.0
Warning: number_format() expects parameter 1 to be float, string given in /in/vJolp on line 2 NULL
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Warning: number_format() expects parameter 1 to be double, string given in /in/vJolp on line 2 NULL
Output for 4.3.0 - 5.2.17
string(1) "0"