protected function _loop(array $node) {
		$attrib=$node['@attrib'];
		unset($node['@attrib']);
		return
			'<?php for ('.
				$this->token($attrib['from']).';'.
				$this->token($attrib['to']).';'.
				$this->token($attrib['step']).'): ?>'.
				$this->build($node).
			'<?php endfor; ?>';
	}