Scraping information from the Web - php

Question

How to get informations (http://linkWeb.com, Titles, and http://link.pdf) from this html page ?
<div class="title-download">
<div id="01divTitle" class="title">
<h3>
<a id="01Title" onmousedown="" href="http://linkWeb.com">Titles</a>
<span id="01LbCitation" class="citation">(<a id="01Citation" href="http://citation.com">Citations</a>)</span></h3>
</div>
<div id="01downloadDiv" class="download">
<a id="01_downloadIcon" title="http://link.pdf" onmousedown="" target=""><img id="ctl01_icon" class="small-icon";" /></a>
</div>
</div>
I've trying but it only returns the title. I'm not aware wth simple_tml_dom before. please help me. thank you :)
<?php
include 'simple_html_dom.php';
set_time_limit(0);
$url ='http://libra.msra.cn/Search?query=data%20mining&s=0';
$html = file_get_html($url) or die ('invalid url');
foreach($html->find('div[class=title-download]') as $webLink){
echo $webLink->plaintext.'<br>';
echo $webLink->href.'<br>';
}
foreach($html->find('div[class=download]') as $Link2){
echo $webLink2->href.'<br>';
}
?>

Answer 1

I think you need to select an a element inside div with class title-download. At least documentation says it uses selectors like jQuery (http://simplehtmldom.sourceforge.net/)
Try it like this:
$html = file_get_html($url) or die ('invalid url');
foreach($html->find('.title a') as $webLink){
echo $webLink->plaintext.'<br>';
echo $webLink->href.'<br>';
}
foreach($html->find('.download a') as $link){
echo $link->title.'<br>';
}

Answer 2

Parse the HTML using LibXML and use XPaths to specify the elements or element attributes you want.

Answer 3

Scrap the titles and urls with this code :
foreach($html->find('span[class=citation]') as $link){
$link = $link->prev_sibling();
echo $link->plaintext.'<br>';
echo $link->href.'<br>';
}
and to scrap the url in class download, using the answer given by #zigomir :)
foreach($html->find('.download a') as $link){
echo $link->title.'<br>';
}