private function _gaParseCookie()
{
if (isset($_COOKIE['_ga'])) {
list($version, $domainDepth, $cid1, $cid2) = preg_split('[\\.]', $_COOKIE["_ga"], 4);
$contents = array('version' => $version, 'domainDepth' => $domainDepth, 'cid' => $cid1 . '.' . $cid2);
$cid = $contents['cid'];
} else {
if (isset($_COOKIE['_ia']) && $_COOKIE['_ia'] != '') {
$cid = $_COOKIE['_ia'];
} else {
$cid = $this->_gaGenUUID();
}
}
setcookie('_ia', $cid, time() + 60 * 60 * 24 * 730, "/");
// Two years
return $cid;
}