I am writing a wordpress shortcode and I need to get the contents of a specific div on each page that the shortcode is rendered on.

Here is my code so far

 $dom = new DOMDocument();
        $dom->loadHTML(//here is where the problem is);
        $xpath = new DOMXPath($dom);
        $hidden_listing_id = $xpath->query('//div[id="listing-id-hidden"]');

The div is structured like

<div id="listing-id-hidden" style="display: none;"> </div>

I know I can get the html of a specific url but how would I dynamically get the html of each page that I render the shortcode on.

Any help is appreciated!

Read more here: How to dynamically get html of page with PHP


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