[英]XML Xpath using PHP
這是我的XML:
<div class="main">
<div class="workshoplist-main">
<div class="toggler pointer">
<i class="icon-chevron-down"></i>
<span id="rpt_0_lblSectionHeader_0">Wednesday, March 18, 2015 (10:00 AM - 11:00 AM)</span>
<p>Description of March info</p>
</div>
</div>
<div class="workshoplist-main">
<div class="toggler pointer">
<i class="icon-chevron-down"></i>
<span id="rpt_0_lblSectionHeader_1">Thursday, April 16, 2015 (10:00 AM - 11:00 AM)</span>
<p>Description of April info</p>
</div>
</div>
<div class="workshoplist-main">
<div class="toggler pointer">
<i class="icon-chevron-down"></i>
<span id="rpt_0_lblSectionHeader_2">Friday, March 19, 2015 (10:00 AM - 11:00 AM)</span>
<p>Description of March info</p>
</div>
</div>
</div>
我想要在id
中包含lblSectionHeader
的span
元素中尋找單詞March
。
我想要的返回值是:
Wednesday, March 18, 2015 (10:00 AM - 11:00 AM)
Friday, March 19, 2015 (10:00 AM - 11:00 AM)
我的代碼是:
xpath("//div[contains(@class,'workshoplist-main') and //span[contains(@id,'lblSectionHeader')][text()='March']]");
我沒有結果。 如果有人可以幫助,那就太好了。
以下查詢有效:
$html = <<<'EOF'
... Your HTML comes here ...
EOF;
$doc = new DOMDocument();
$doc->loadHTML($html);
$selector = new DOMXPath($doc);
$query = "//div[contains(@class,'workshoplist-main')]//span[contains(@id,'lblSectionHeader')][contains(text(), 'March')]";
foreach($selector->query($query) as $node) {
// do something with that node
var_dump($node);
}
您在查詢中濫用了and
關鍵字。 如果要選擇<span>
標記下面的<div>
標記(與嵌套級別無關),請使用//div//span
,而不要使用//div and //span
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