Scalr\Service\Aws\Ec2\V20140615\Ec2Api::deleteSecurityGroup PHP Method

    public function deleteSecurityGroup($groupId = null, $groupName = null)
    {
        $result = false;
        $options = array();
        if ($groupName === null && $groupId === null || $groupName !== null && $groupId !== null) {
            throw new \InvalidArgumentException(sprintf('Either groupName or groupId is required for the %s. ' . 'Also you cannot specify both in the same call.', __METHOD__));
        }
        if ($groupId !== null) {
            $options['GroupId'] = (string) $groupId;
        } else {
            if ($groupName !== null) {
                $options['GroupName'] = (string) $groupName;
            }
        }
        $response = $this->client->call(ucfirst(__FUNCTION__), $options);
        if ($response->getError() === false) {
            $result = true;
            $entity = null;
            if (!empty($options['GroupId'])) {
                $entity = $this->ec2->getEntityManagerEnabled() ? $this->ec2->securityGroup->get($options['GroupId']) : null;
            } else {
                if (!empty($options['GroupName'])) {
                    //Undesirable workaround.
                    //You can have an EC2 security group with the same name as a VPC security group
                    //(each group has a unique security group ID separate from the name).
                    /*
                    $entity = $this
                        ->getEntityManager()->getRepository('Ec2:SecurityGroup')
                        ->findOneBy(array('groupName' => $options['GroupName']))
                    ;
                    */
                }
            }
            if (isset($entity)) {
                $this->getEntityManager()->detach($entity);
            }
        }
        return $result;
    }