php - 嵌套 simplexml

Question

尝试使用 SimpleXmL 编写 xml。需要嵌套一些标签

 $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><orders></orders>');
        $orderlist = $xml->addChild('order');
        $orderlist->addAttribute('shipdate', date('Y-m-d H:i:s'));

        $orderlist = $xml->addChild('delivery');
        $orderlist->addAttribute('weight', '0');

这将输出:

  <?xml version="1.0" encoding="utf-8"?>
    <orders>
        <order shipdate="2017-10-11 13:44:12" />
        <delivery weight="0" />
    <order/>
    </orders>

但需要标签不要在标签之前关闭。 希望它看起来像这样:

<?xml version="1.0" encoding="UTF-8"?>
<orders>
  <order shipdate="2016-07-14T14:41:30">
    <delivery weight="0" />
  </order>
</orders>

Answer 1

尝试以下操作:

 $xml = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8"?><orders></orders>');
        $orderlist = $xml->addChild('order');
        $orderlist->addAttribute('shipdate', date('Y-m-d H:i:s'));

        $delivery = $orderlist->addChild('delivery');
        $delivery->addAttribute('weight', '0');

这将添加 <delivery>里面的标签<order>标签。并提供如下输出:

<?xml version="1.0" encoding="utf-8"?>
<orders>
    <order shipdate="2017-10-11 22:28:13">
        <delivery weight="0"/>
    </order>
</orders>