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16 years ago
Although it may be preferable to use the dom to manipulate elements, sometimes it's useful to actually get the innerHTML from a document element (e.g. to load into a client-side editor).



To get the innerHTML of a specific element ($elem_id) in a specific html file ($filepath):



<?php

$innerHTML = '';

$doc = new DOMDocument();

$doc->loadHTMLFile($filepath);    

$elem = $doc->getElementById($elem_id);



// loop through all childNodes, getting html        

$children = $elem->childNodes;

foreach ($children as $child) {

    $tmp_doc = new DOMDocument();

    $tmp_doc->appendChild($tmp_doc->importNode($child,true));        

    $innerHTML .= $tmp_doc->saveHTML();

}

?>
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