Using PHP DOM to find innerHTML of <div> with ID

benf posted this at 20:39 — 21st November 2009.

Joined: Feb 2005

So I want to use PHP DOM but I am finding it difficult to load up and external URL. For example, I want to load a web page on a url different to my own and then find the text between some div tags that have an ID specified (getElementById)

This is what I have so far but I get errors:

$handle = fopen("url", "r");
if ($handle) {
      $str = fgets($handle); 

$doc = new DomDocument;

$doc->validateOnParse = true;
$doc->Load($str);

}

and my error is:

Warning: DOMDocument::load() [domdocument.load]: I/O warning : failed to load external entity

It does print out some of the html from the beginning of the web page but then stops.

Can anyone help me on this?

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teammatt3 posted this at 06:11 — 22nd November 2009.

He has: 2,102 posts

Joined: Sep 2003

I've never used DOMDocument before, but according to the docs, you're using the load method incorrectly. DomDocument::Load() reads from a file, not a string. You are reading from the file using fopen, and fgets. Then you are passing the content of that website (as a string) to the Load method, and Load() thinks that HTML stuff is a filename!

You should replace $doc->Load($str) with $doc->loadHTML($str). LoadHTML takes a string, not a file path.