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@ 2020-06-02T23:03:38Z

<?php

$server_seed = "39b7d32fcb743c244c569a56d6de4dc27577d6277d6cf155bdcba6d05befcb34";
$lotto = "0422262831";
$round_id = "1";
$hash = hash("sha256", $server_seed."-".$lotto."-".$round_id);
$roll = hexdec( substr($hash,0,8)) % 15;
echo "Round $round_id = $roll";

Output
Performance
VLD
References
Branches

substr: documentation ( source)
hash: documentation ( source)
hexdec: documentation ( source)

preferences:dark modelive preview

61.06 ms | 406 KiB | 5 Q