I have a condition that when a user shares his referral link then it sets a Cookie in the browser so that if GET value is removed from URL even then I can get referral.

I get some cookie information when I use getallheaders in PHP, but I didn’t set nothing. Where come from this? It’s so long…

In php.ini where can I set the default “secure” parameter value to true for the setcookie() call(): https://www.php.net/manual/en/function.setcookie.php#:~:text=match%20all%20subdomains.-,secure,-Indicates%20that%20the