CodeIgniter: A Class/Library to help get meta tags from a web page?

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You should have a look at this class: PHP Simple HTML DOM it works this way:

include('simple_html_dom.php');
$html = file_get_html('http://www.codeigniter.com/');

echo $html->find('title', 0)->innertext; // get <title>

echo "<pre>";
foreach($html->find('meta') as $element)
       echo $element->name . " : " . $element->content  . '<br>'; //prints every META tag

echo "</pre>";

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