| public static generate_key_hash ( string $material ) : integer | ||
| $material | string | |
| return | integer | |
public static function generate_key_hash(string $material) : int
{
$bits = md5($material);
$result = (intval($bits[0], 16) & 3) << 28 ^ intval(substr($bits, 1, 7), 16);
return $result;
}