set_do_not_track
set_do_not_track($doNotTrack=true) - specifies whether to send DNT to the browser (Do Not Track) - do not Track
The function accepts parameters as input:
$doNotTrack – true - pass DNT, false - do not pass
After testing, the function returns the result of its work to the script :
true – successfully set the sending modefalse – failed to set