Current session/user info:

SID:   lh9b5lcime73vs4vb9110f3ko8
User:  (guest)

Incoming cookies sent by your browser (note: flags like HttpOnly/SameSite aren't visible here, only on Set-Cookie):

Array
(
    [PHPSESSID] => hq468nn6jpk07o8g08isvnp1ou
)

Compare this SID with the one from Begin. In the secure flow, it should differ; in the insecure flow, it will match.