FOS\UserBundle\Model\User::getGroupNames PHP 메소드

    public function getGroupNames()
    {
        $names = array();
        foreach ($this->getGroups() as $group) {
            $names[] = $group->getName();
        }
        return $names;
    }

 public function getSecurityGroupNames()
 {
     return parent::getGroupNames();
 }