<html>
    <head><title>bla bla</title></head>
    <body>
    <div id="mainContent" xmlns:h="http://www.w3.org/1999/xhtml" xmlns="http://www.w3.org/1999/xhtml">
        bla bla .....
    </div>
    </body>
</html>
I need to extract that division. How can I do it using PHP 5?
The html source is not currectly formatted. There are some undefined attributes.
 
     
     
    