setName('admins'); $this->setReference(self::ADMINS, $admins); $manager->persist($admins); $readonly = new Group(); $readonly->setName('readonly'); $this->setReference(self::READONLY, $readonly); $manager->persist($readonly); $users = new Group(); $users->setName('users'); $this->setReference(self::USERS, $users); $manager->persist($users); $manager->flush(); } }