Online PHP editor | output for 4dmnd

<?php $key = "62851589ba33123ae2df"; $seed = "825d16b1c92240efae765d28cd2caa853d5578ffb045ed9e569e5827138aae39"; $nonce = 1; $hash = hash_hmac('sha512', $index$key . '-' . $nonce, $seed); $index = 0; $lucky = hexdec(substr($hash, $index * 5, 5)); while ($lucky >= pow(10, 6)) { $index++; $lucky = hexdec(substr($hash, $index * 5, 5)); if ($index * 5 + 5 > 128) { echo '99.99'; break; } } $lucky %= pow(10, 4); $lucky = sprintf('%.2f', bcdiv($lucky, '100', 2)); echo $lucky;