How can PHP be used to hide the referrer when a user clicks on a link?

When a user clicks on a link, the referrer information is usually passed along with the request, revealing the previous page the user was on. To hide the referrer, you can use PHP to redirect the user through a script that strips the referrer information before redirecting them to the desired destination. 

<?php
// Get the destination URL
$destination = "https://example.com/destination";

// Redirect the user with a header that removes the referrer information
header("Location: $destination", true, 301);
header("Referrer-Policy: no-referrer");
exit();
?>

Keywords

PHP referrer link header redirect

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