Microdata is a syntax for embedding machine-readable metadata in HTML.
MicrodataPHP is a PHP library for extracting microdata from HTML documents. It is inspired by MicrodataJS, which is inspired by the native Microdata DOM API.
Example use:
$url = 'http://lin-clark.com/cool-hand-luke';
$md = new MicrodataPhp($url);
$data = $md->obj();
print $data->items[0]->properties['name'][0]; //prints 'Cool Hand Luke'
print $data->items[0]->properties['genre'][0]; //prints 'prison drama'
PHP 5.3+