Produces persistent, respawning "super" cookies in a browser, abusing over a dozen techniques. Its goal is to identify users after they've removed standard cookies and other privacy data such as Flash cookies (LSOs), HTML5 storage, SilverLight storage, and others.
After modifying the code to change header keys to all uppercase, preg_replace was left out, so it was still using the lowercase key to compare with the header.
After modifying the code to change header keys to all uppercase, preg_replace was left out, so it was still using the lowercase key to compare with the header.