Look up meta-data for an article on huffingtonpost.com.
pear channel-discover easybib.github.com/pear
pear install easybib/PEAR2_Services_HuffPo-alpha
use PEAR2\Services\HuffPo;
$huffPo = new HuffPo('http://www.huffingtonpost.com/2012/04/20/vegan-is-love-book_n_1441699.html');
var_dump($huffPo->getMetaData());