/** * Render a single token * * @param Zend_Markup_Token $token * @return string */ protected function _render(Zend_Markup_Token $token) { $return = ''; $this->_token = $token; // if this tag has children, execute them if ($token->hasChildren()) { foreach ($token->getChildren() as $child) { $return .= $this->_execute($child); } } return $return; }