3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $numberOfRandoms = 500; $uniques = array(); for($i = 0; $i < count($uniques) - $numberOfRandoms; $i++) { $uniques[mt_rand(10000, 99999)] = true; } $uniques = array_keys($uniques); var_dump(count($uniques));
Output for 4.3.0 - 7.1.0
int(0)