/**
* Find a mixer based upon the requested strength
*
* @param Strength $strength The strength mixer to find
*
* @return Mixer The found mixer
* @throws RuntimeException if a valid mixer cannot be found
*/
protected function findMixer(\PasswordLib\Core\Strength $strength)
{
$newMixer = null;
$fallback = null;
foreach ($this->getMixers() as $mixer) {
if ($strength->compare($mixer::getStrength()) == 0) {
$newMixer = new $mixer();
} elseif ($strength->compare($mixer::getStrength()) == 1) {
$fallback = new $mixer();
}
}
if (is_null($newMixer)) {
if (is_null($fallback)) {
throw new \RuntimeException('Could not find mixer');
}
return $fallback;
}
return $newMixer;
}
