| public static deleteThirdPartyCookieUIDIfExists ( ) |
/**
* Checks for DoNotTrack headers and if found, sets `$exclude` to `true`.
*/
public function checkHeaderInTracker(&$exclude)
{
if ($exclude) {
Common::printDebug("Visit is already excluded, no need to check DoNotTrack support.");
return;
}
$exclude = $this->isDoNotTrackFound();
if ($exclude) {
IgnoreCookie::deleteThirdPartyCookieUIDIfExists();
// this is an optional supplement to the site's tracking status resource at:
// /.well-known/dnt
// per Tracking Preference Expression
//Tracking Perference Expression has been updated to require Tk: N rather than Tk: 1
Common::sendHeader('Tk: N');
}
}
