Take a pinch of RSS
<?php
$url = 'http://buzz.yahoo.com/feeds/buzzoverl.xml';
$xml = simplexml_load_file($url);
if($xml) {
  foreach($xml->channel->item as $item) {
    $ret[(string)$item->title] = (string)$item->link;
  }
  echo "<pre>"; print_r($ret); echo "</pre>";
} else echo "Can't get to Yahoo!";
?>
Output
Array
(
    [1. Facebook] => http://search.yahoo.com/search?p=facebook&cs=bz
    [2. YouTube] => http://search.yahoo.com/search?p=youtube&cs=bz
    [3. Emma Watson] => http://search.yahoo.com/search?p=emma+watson&cs=bz
    [4. Tea Leoni] => http://search.yahoo.com/search?p=tea+leoni&cs=bz
    [5. Raven Symone] => http://search.yahoo.com/search?p=raven+symone&cs=bz
    [6. Elizabeth Taylor] => http://search.yahoo.com/search?p=elizabeth+taylor&cs=bz
    [7. Mel Gibson] => http://search.yahoo.com/search?p=mel+gibson&cs=bz
    [8. Megan Fox] => http://search.yahoo.com/search?p=megan+fox&cs=bz
    [9. Airline Baby Ban] => http://search.yahoo.com/search?p=airline+baby+ban&cs=bz
    [10. Bam Margera] => http://search.yahoo.com/search?p=bam+margera&cs=bz
    [11. Casey Anthony] => http://search.yahoo.com/search?p=casey+anthony&cs=bz
    [12. Brian Austin Green] => http://search.yahoo.com/search?p=brian+austin+green&cs=bz
    [13. Tia Mowry] => http://search.yahoo.com/search?p=tia+mowry&cs=bz
    [14. Maria Sharapova] => http://search.yahoo.com/search?p=maria+sharapova&cs=bz
    [15. Toronto International Film Festival] => http://search.yahoo.com/search?p=toronto+international+film+festival&cs=bz
)
Many more RSS feeds listed here: http://developer.yahoo.com/rss/

Add a spoonful of REST
<?php
$imgs='http://api.search.yahoo.com/ImageSearchService/V1/imageSearch';
$news='http://api.search.yahoo.com/NewsSearchService/V1/newsSearch';
foreach($ret as $key=>$link) {
  $url = $imgs . "?query=$key&appid=RESTDemo";
  $obj = simplexml_load_file($url);
  ...
  $url = $news . "?query=$key&appid=RESTDemo";
  $obj = simplexml_load_file($url);
}
?>
A thimble of gradeschool math
x^2/a^2 + y^2/b^2 = 1
And we end up with something like this

http://buzz.progphp.com

By the way, throwing a cache layer between you and whatever remote service you are accessing tends to be a good idea. In our case we can do it like this:

<?php
$tmp = '/tmp/'.md5($q);
if(!file_exists($tmp) || filemtime($tmp) < (time()-7200)) {
   $stream = fopen($url,'r');
   $tmpf = tempnam('/tmp','YWS');
   file_put_contents($tmpf, $stream);
   fclose($stream);
   rename($tmpf, $tmp);
}
$obj = simplexml_load_file($tmp);
?>