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• 如何欺骗似乎空洞的DOM物体?
原标题:How to Debug seemingly empty DOM objects?

我撰写了一份有关进口XML的任务。 Debugging是一种疼痛,既包括var_dump,也包括_r 返回其看来是空物体,例如DOMElement DOMNodeList

object(DOMElement)#330 (0) {}
object(DOMNodeList)#335 (0) {}

但是,这些价值观并非空洞,因为我可以理解这些价值观。

那么,我有什么欺骗性选择?

最佳回答

缩略语 页: 1 使用xml输出。

var_dump($dom->saveXML());

For a DOMElement, I use (as seen here):

var_dump($domElement->ownerDocument->saveXML($domElement));

DOMNodeList,我没有想法。 也许你必须附上/附上多米文件,然后照旧。

而没有显示多米文件内部的是:reported(见:反思)

问题回答

Solution: i wrote own monitoring function dom_test

    function dom_test($DOM) {
      echo  <h1> .get_class($DOM). </h1> ;
      // easiest way to traverse:
      echo  LENGTH:  . @$DOM->length ."
"; // if NodeList
      echo  TAG:  . @$DOM->tagName ."
"; // if Element
      echo  CHILDS:  . @$DOM->childNodes->length ."
"; // etc.
    }

希望能帮助你们!





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