PHP DOMDocument loadHTML error

Question

It's returning

( ! ) Warning: DOMDocument::loadHTML() [domdocument.loadhtml]: Misplaced DOCTYPE declaration in Entity, line: 3 in C:\wamp\www\source.php on line 8

The code:

<?php

    $url = "http://www.some-plain-html-website.com";

    $content = file_get_contents($url);

    $dom = new DOMDocument;
    $dom->loadHTML($content);

?>

For some reason it wont parse $content. If i make content a string like $content = ""; and i parse it by element tag name it works no problem however if i give it the return of file_get_content() method it yields that error.

The documentation for file_get_contents() says it returns a string but for some reason its not working i even tried $content = (string)file_get_contents($url);

Same thing thanks in advance for all the help.

Kurt Larsen · Accepted Answer · 2017-07-06 11:58:59Z

10

In many cases it is advisable to use libxml_use_internal_errors(true); before $dom->loadHTML($content);

This way a warning will not be thrown, and the page is loaded anyway.

edited Jul 6, 2017 at 11:58

answered Jul 22, 2015 at 21:59

Kurt Larsen

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dqhendricks · Accepted Answer · 2012-05-09 21:37:38Z

2

The html page you are trying to grab is malformed. The document type declaration must be the first line of a document. You could try cutting the first two lines off of the content before loading it with loadHTML().

answered May 9, 2012 at 21:37

dqhendricks

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1 Comment

dqhendricks Over a year ago

Look through the PHP documentation for how to manipulate strings.........................

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