How to change the ip of visitors on your site?

Question

Yandex.Metrica

Greetings, tell me, please, is it realistic to make the metric see not the real ip of the visitors, but those that I indicate.
$_SERVER['REMOTE_ADDR'] = some ip. But it doesn't work. Or does the metric get visitors' ip in some other way?

Answer 1

Metrica receives through its js script

Answer 2

tricky one to
slip, i.e. cheat real, but not 1 in 1 with real