使用 XPATH 语法匹配文本
示例源：view-source:http://rss.packetstormsecurity.org/files/tags/exploit /
我只想返回父标题节点具有匹配文本的 xml 部分，在本例中，要匹配的文本是“site”。
//get feed with curl
$doc = new SimpleXmlElement($xml, LIBXML_NOCDATA);
//$result = $doc->xpath('//title'); //this works returns all the <title>'s
$result = $doc->xpath('//title[site]'); //doesn't work
$result = $doc->xpath('//title[text()="site"]'); //doesn't work
$result = $doc->xpath('//title[contains(site)]'); //doesn't work
$result = $doc->xpath('//title[contains(text(),'Site')]'); //doesn't work
foreach ($result as $title)
echo "$title<br />"
Exmple feed: view-source:http://rss.packetstormsecurity.org/files/tags/exploit/
I only want to return sections of xml where the parent title node has matching text in it, in this example the text to match is "site".
//get feed with curl
$doc = new SimpleXmlElement($xml, LIBXML_NOCDATA);
//$result = $doc->xpath('//title'); //this works returns all the <title>'s
$result = $doc->xpath('//title[site]'); //doesn't work
$result = $doc->xpath('//title[text()="site"]'); //doesn't work
$result = $doc->xpath('//title[contains(site)]'); //doesn't work
$result = $doc->xpath('//title[contains(text(),'Site')]'); //doesn't work
foreach ($result as $title)
echo "$title<br />"
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我认为您需要的调用是这样的：
请注意，这是区分大小写的。
请注意，
containsXPath 函数采用两个参数：一个干草堆和一根针。在本例中，我们使用当前节点的文本值作为干草堆，这通过使用点 (.) 来指示。The call you need is, I think, this:
Note that this is case-sensitive.
Note that the
containsXPath function takes two arguments: a haystack and a needle. In this case, we are using the current node's text value as the haystack, which is indicated by the use of the dot (.).