function getGroups()
    {
        $tmp = array();
        foreach ($this->configuration_info as $key => $info) {
            $tmp[$info['group']] = 1;
        }

        return array_keys($tmp);
    }
function getGroups()
    {
        $tmp = array();
        foreach ($this->configuration_info as $key => $info) {
            $tmp[$info['group']] = 1;
        }

        return array_keys($tmp);
    }
function getGroups ( ) { $ tmp = array ( ) ; foreach ( $ this -> configuration_info as $ key => $ info ) { $ tmp [ $ info [ 'group' ] ] = 1 ; } return array_keys ( $ tmp ) ; }
Get the list of parameter groups.

@return array list of parameter groups

@access public
Get the list of parameter groups .