<?php

require_once('simple_html_dom.php');

$html = file_get_html('http://www.site.com/');

// Find all links and titles
foreach($html->find('a') as $element) {
       echo $element->href . '<br>';
       echo $element->plaintext . '<br>';
}

// Find all element which id=foo
$ret = $html->find('#foo');

?>