public static function passwordMatches($user = null, $password, $alltables = false)
	{
		$passhash = null;

		$hzup = self::getInstance($user);

		if (is_object($hzup) && !empty($hzup->passhash))
		{
			$passhash = $hzup->passhash;
		}
		else if ($alltables)
		{
			$profile = Profile::getInstance($user);

			if (is_object($profile) && ($profile->get('userPassword') != ''))
			{
				$passhash = $profile->get('userPassword');
			}
			else
			{
				$user = \User::getInstance($user);

				if (is_object($user) && !empty($user->password))
				{
					$passhash = $user->password;
				}
			}
		}

		return self::comparePasswords($passhash, $password);
	}