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@ 2014-05-12T09:41:53Z

<?php
function generateCode($length) {
    return bin2hex(openssl_random_pseudo_bytes($length / 2));
}

var_dump(generateCode(6));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
bin2hex: documentation ( source)

preferences:dark modelive preview

42.06 ms | 402 KiB | 5 Q