src/Sonic/Routes/Feed/AtomRoute.php
public function make_id($url)
    {
        $tag             = str_replace(array('http://', 'https://'), '', $url);
        $tag             = str_replace('#', '/', $tag);
        $exploded_tag    = explode('/', $tag);
        $exploded_tag[0] = $exploded_tag[0] . ',' . date('Y-m-d') . ':';
        return implode('/', $exploded_tag);
    }
public function make_id($url)
    {
        $tag             = str_replace(array('http://', 'https://'), '', $url);
        $tag             = str_replace('#', '/', $tag);
        $exploded_tag    = explode('/', $tag);
        $exploded_tag[0] = $exploded_tag[0] . ',' . date('Y-m-d') . ':';
        return implode('/', $exploded_tag);
    }
Creates a ``tag:`` URI as per @diveintomark's article
@link   http://web.archive.org/web/20110514113830/http://diveintomark.org/archives/2004/05/28/howto-atom-id#tag
@param  string $url
@return string