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@ 2014-10-02T17:10:07Z

<?php

$id = rand(1000, 9999) . '2';

var_dump($id);

var_dump(crc32($id));

var_dump(crc32($id) % 5);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
rand: documentation ( source)
crc32: documentation ( source)

preferences:dark modelive preview

40.43 ms | 402 KiB | 5 Q