OAuth2\OAuth2::checkScope PHP Method

    protected function checkScope($requiredScope, $availableScope)
    {
        // The required scope should match or be a subset of the available scope
        if (!is_array($requiredScope)) {
            $requiredScope = explode(' ', trim($requiredScope));
        }
        if (!is_array($availableScope)) {
            $availableScope = explode(' ', trim($availableScope));
        }
        return count(array_diff($requiredScope, $availableScope)) == 0;
    }