使用DOM XPath将内容放入数组中

Question

我正在尝试将标题，信息和时间整理到数组中。但是，我一直在获取数据。正如您在控制器中看到的那样，我使用getelementbyID来调用我的第一列表，但它向我显示了DOMElement对象。有人可以帮忙吗？ ：/

HTML：

<div class="col-sm-7 tracking">
    <div class="box">
       <ul id="first-list"> 
        <li>
           <span></span>
                 <div class="title">BKI</div>
                 <div class="info">SHIPMENT DELIVERED</div>
                        <div class="time">
                            <span>01/May/2020</span>
                            <span style="color:grey">9:05PM</span>
                        </div>
        </li>

        <li>
           <span></span>
                  <div class="title">BKI</div>
                  <div class="info">SHIPMENT OUT FOR DELIVERY</div>
                      <div class="time">
                            <span>01/May/2020</span>
                            <span style="color:grey">8:56PM</span>
                        </div>
        </li>
    </ul>
 </div>

Controller：

$DOM = new DOMDocument;
    libxml_use_internal_errors(true);
    $DOM->loadHTML($response);

    $xpath = new DOMXPath($DOM);
    $tbody = $DOM->getElementsByTagName('col-sm-7 tracking');

    $query = '//li';

    $entries = $xpath->query($query);

    foreach ($entries as $entry) {
        echo $entry->nodeValue . "<br>";
    }

试图建立一个像这样的数组：

[0] => Array
        (
            [Title] => Text 1
            [Info] => Text 1
            [Time] => Text 1
        )

    [1] => Array
        (
            [Title] => Text 2
            [Info] => Text 2
            [Time] => Text 2
        )

Answer 1

这使用XPath在每个<li>标记下找到相关部分，以提取各种信息。要记住的事情是使用<li>作为后续表达式的起点（将其作为第二个参数传递给XPath调用）。

某些电话中您只需要我用过的文本evaluate()，因此它节省了获取文本的额外步骤...

foreach ($entries as $entry) {
    $title = $entries = $xpath->evaluate('string(div[@class="title"])', $entry);
    $info = $entries = $xpath->evaluate('string(div[@class="info"])', $entry);
    $timeParts = $entries = $xpath->query('div[@class="time"]/span', $entry);
    $time = [];
    foreach ( $timeParts as $part ) {
        $time[] = $part->textContent;
    }
    $output[] = [ "title" => $title, "info" => $info, 
        "time" => implode(" ", $time) ];
}