Silber\Bouncer\Clipboard::checkGetId PHP Method

    protected function checkGetId(Model $authority, $ability, $model = null)
    {
        $applicable = $this->compileAbilityIdentifiers($ability, $model);
        // We will first check if any of the applicable abilities have been forbidden.
        // If so, we'll return false right away, so as to not pass the check. Then,
        // we'll check if any of them have been allowed & return the matched ID.
        $forbiddenId = $this->findMatchingAbility($this->getForbiddenAbilities($authority), $applicable, $model, $authority);
        if ($forbiddenId) {
            return false;
        }
        return $this->findMatchingAbility($this->getAbilities($authority), $applicable, $model, $authority);
    }