/**
* Construct a new time-based one-time password validation result.
*
* @param string $type The result type.
* @param boolean|null $drift The number of windows of clock drift, or null if unsuccessful.
*
* @throws Exception\InvalidMfaResultException If the supplied arguments constitute an invalid result.
*/
public function __construct($type, $drift = null)
{
if (static::VALID === $type && null === $drift || static::VALID !== $type && null !== $drift) {
throw new Exception\InvalidMfaResultException();
}
parent::__construct($type);
$this->drift = $drift;
}
/**
* Construct a new counter-based one-time password validation result.
*
* @param string $type The result type.
* @param integer|null $counter The new counter value, or null if the counter should not change.
*
* @throws Exception\InvalidMfaResultException If the supplied arguments constitute an invalid result.
*/
public function __construct($type, $counter = null)
{
if (static::VALID === $type && null === $counter || static::VALID !== $type && null !== $counter) {
throw new Exception\InvalidMfaResultException();
}
parent::__construct($type);
$this->counter = $counter;
}