如何在PHP中迭代DOM元素? [英] How do I iterate through DOM elements in PHP?
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问题描述
我希望遍历所有的foo标签,从它下面的每个标签获取值。我知道我可以通过
$ element = $ dom-> getElementsByTagName('foo') - > item 0);
foreach($ element-> childNodes as $ node){
$ data [$ node-> nodeName] = $ node-> nodeValue;
}
然而,我想要做的是来自一个XML,
< stuff>
< foo>
< bar>< / bar>
< value />
< pub>< / pub>
< / foo>
< foo>
< bar>< / bar>
< pub>< / pub>
< / foo>
< foo>
< bar>< / bar>
< pub>< / pub>
< / foo>
< / stuff>
迭代每个 foo 标签,并获取具体的 / em>或 pub ,并从中获取值。
现在,我如何迭代 foo ,以便我仍然可以按名称访问特定的子节点?
解决方案
未测试,但是如何:
$ elements = $ dom-> getElementsByTagName('foo' );
$ data = array();
foreach($ elements as $ node){
foreach($ node-> childNodes as $ child){
$ data [] = array($ child-> nodeName => $儿童安全>的nodeValue);
}
}
I have an XML file loaded into a DOM document, I wish to iterate through all 'foo' tags, getting values from every tag below it. I know I can get values via
$element = $dom->getElementsByTagName('foo')->item(0);
foreach($element->childNodes as $node){
$data[$node->nodeName] = $node->nodeValue;
}
However, what I'm trying to do, is from an XML like,
<stuff>
<foo>
<bar></bar>
<value/>
<pub></pub>
</foo>
<foo>
<bar></bar>
<pub></pub>
</foo>
<foo>
<bar></bar>
<pub></pub>
</foo>
</stuff>
iterate over every foo tag, and get specific bar or pub, and get values from there. Now, how do I iterate over foo so that I can still access specific child nodes by name?
解决方案
Not tested, but what about:
$elements = $dom->getElementsByTagName('foo');
$data = array();
foreach($elements as $node){
foreach($node->childNodes as $child) {
$data[] = array($child->nodeName => $child->nodeValue);
}
}
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