[Godey]

Checker for self-promoting/demoting:

Код:

if(playerid == targetid) // Checks if the playerid and targetid(the person to get promoted) is equal.
     return SendClintMessage(playerid, GREY, "You can't promote/demote yourself!");

Checker for promote/demote:
I've already told you for promoting
and for demoting? it's the same!
the only difference is /demoteadmin with same if() { } checker