Auth_OpenID_SQLStore::getAssociation PHP Method

    function getAssociation($server_url, $handle = null)
    {
        if ($handle !== null) {
            $assoc = $this->_get_assoc($server_url, $handle);
            $assocs = array();
            if ($assoc) {
                $assocs[] = $assoc;
            }
        } else {
            $assocs = $this->_get_assocs($server_url);
        }
        if (!$assocs || count($assocs) == 0) {
            return null;
        } else {
            $associations = array();
            foreach ($assocs as $assoc_row) {
                $assoc = new Auth_OpenID_Association($assoc_row['handle'], $assoc_row['secret'], $assoc_row['issued'], $assoc_row['lifetime'], $assoc_row['assoc_type']);
                $assoc->secret = $this->blobDecode($assoc->secret);
                if ($assoc->getExpiresIn() == 0) {
                    $this->removeAssociation($server_url, $assoc->handle);
                } else {
                    $associations[] = array($assoc->issued, $assoc);
                }
            }
            if ($associations) {
                $issued = array();
                $assocs = array();
                foreach ($associations as $key => $assoc) {
                    $issued[$key] = $assoc[0];
                    $assocs[$key] = $assoc[1];
                }
                array_multisort($issued, SORT_DESC, $assocs, SORT_DESC, $associations);
                // return the most recently issued one.
                list($issued, $assoc) = $associations[0];
                return $assoc;
            } else {
                return null;
            }
        }
    }