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Asked: 2026-06-14T09:58:49+00:00

I am new to PHP. I want to write code to find the id

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I am new to PHP. I want to write code to find the id specified in the html code below, which is 1123. Can any one give me some idea?

<span class="miniprofile-container /companies/1123?miniprofile="
      data-tracking="NUS_CMPY_FOL-nhre"
      data-li-getjs="http://s.c.lnkd.licdn.com/scds/concat/common/js?h=dyt8o4nwtaujeutlgncuqe0dn&amp;fc=2">
    <strong>
        <a href="http://www.linkedin.com/nus-trk?trkact=viewCompanyProfile&pk=biz-overview-public&pp=1&poster=&uid=5674666402166894592&ut=NUS_UNIU_FOLLOW_CMPY&r=&f=0&url=http%3A%2F%2Fwww%2Elinkedin%2Ecom%2Fcompany%2F1123%3Ftrk%3DNUS_CMPY_FOL-nhre&urlhash=7qbc">
        Bank of America
        </a>
    </strong>
</span> has a new Project Manager

Note: I don’t need the content in the span class. I need the id in the span class name.

I tried the following:

$dom = new DOMDocument('1.0', 'UTF-8');
@$dom->loadHTML($html);
$xmlElements = simplexml_import_dom($dom);
$id = $xmlElements->xpath("//span [@class='miniprofile-container /companies/$data_id?miniprofile=']");

… but I don’t know how to proceed further.

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1 Answer

  1. Editorial Team

    dependent of your need, you could do

    $matches = array();
preg_match('|<span class="miniprofile-container /companies/(\d+)\?miniprofile|', $html, $matches);
print_r($matches);

    this is a very trivial regex, but could serve as a first suggestion. If you want to go via DomDocument or simplexml, you mustn’t mix both like you did in your example.
    What is your preferred way, we can narrow this down then.

    //edit: pretty much what @fireeyedboy said, but this is what I just fiddled together:

    <?php
$html = <<<EOD
<html><head></head>
<body>
<span class="miniprofile-container /companies/1123?miniprofile="
      data-tracking="NUS_CMPY_FOL-nhre"
      data-li-getjs="http://s.c.lnkd.licdn.com/scds/concat/common/js?h=dyt8o4nwtaujeutlgncuqe0dn&amp;fc=2">
    <strong>
        <a href="#">
        Bank of America
        </a>
    </strong>
</span> has a new Project Manager

</body>
</html>
EOD;

$domDocument = new DOMDocument('1.0', 'UTF-8');
$domDocument->recover = TRUE;
$domDocument->loadHTML($html);

$xPath = new DOMXPath($domDocument);
$relevantElements = $xPath->query('//span[contains(@class, "miniprofile-container")]');
$foundId = NULL;
foreach($relevantElements as $match) {
    $pregMatches = array();
    if (preg_match('|/companies/(\d+)\?miniprofile|', $match->getAttribute('class'), $pregMatches)) {
        if (isset($pregMatches[1])) {
            $foundId = $pregMatches[1];
            break;
        }
    };
}

echo $foundId;

?>
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