Scalr\Service\Aws\Rds\V20130110\RdsApi::revokeDBSecurityGroupIngress PHP Method

    public function revokeDBSecurityGroupIngress(DBSecurityGroupIngressRequestData $request)
    {
        $result = null;
        $options = $request->getQueryArray();
        $response = $this->client->call(ucfirst(__FUNCTION__), $options);
        if ($response->getError() === false) {
            $sxml = simplexml_load_string($response->getRawContent());
            if (!$this->exist($sxml->RevokeDBSecurityGroupIngressResult)) {
                throw new RdsException(sprintf(self::UNEXPECTED, 'revoke DBSecurityGroupIngress'));
            }
            $result = $this->_loadDBSecurityGroupData($sxml->RevokeDBSecurityGroupIngressResult->DBSecurityGroup);
        }
        return $result;
    }