WP Account Auto-Discovery

gistfile1.aw

function add_text_before_head_close_tag() {

    if (is_single() || is_page()) {
        $url = get_permalink();
    } else {
        $url = get_bloginfo('url');
    }

    echo '
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:foaf="http://xmlns.com/foaf/0.1/">
<rdf:Description rdf:about="'.$url.'">
<foaf:maker rdf:parseType="Resource">
<foaf:holdsAccount>
<foaf:OnlineAccount foaf:accountName="[hatena acount]">
<foaf:accountServiceHomepage rdf:resource="http://www.hatena.ne.jp/" />
</foaf:OnlineAccount>
</foaf:holdsAccount>
</foaf:maker>
</rdf:Description>
</rdf:RDF>
';
}
add_action('wp_head', 'add_text_before_head_close_tag', 100);