public function getDisplayGroup($name)
    {
        if ($group = parent::getDisplayGroup($name)) {
            return $group;
        } else {
            $subforms = $this->getSubForms();
            foreach($subforms as $subform) {
                if ($group = $subform->getDisplayGroup($name)) {
                    return $group;
                }
            }
            return;
        }
    }
public function getDisplayGroup($name)
    {
        if ($group = parent::getDisplayGroup($name)) {
            return $group;
        } else {
            $subforms = $this->getSubForms();
            foreach($subforms as $subform) {
                if ($group = $subform->getDisplayGroup($name)) {
                    return $group;
                }
            }
            return;
        }
    }
public function getDisplayGroup ( $ name ) { if ( $ group = parent :: getDisplayGroup ( $ name ) ) { return $ group ; } else { $ subforms = $ this -> getSubForms ( ) ; foreach ( $ subforms as $ subform ) { if ( $ group = $ subform -> getDisplayGroup ( $ name ) ) { return $ group ; } } return ; } }
Return a display group, use recursive search in subforms to provide a transparent experience
with tabs

@param  string $name
@return \Zend_Form_DisplayGroup|null
Return a display group use recursive search in subforms to provide a transparent experience with tabs