3v4l.org

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<?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 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
int(0)
preferences:
148.94 ms | 404 KiB | 173 Q