Code

function perm(p: offline player, perm: string) :: boolean:
	set {_groups%{_p}%::*} to objects in column "gruppe" from result of query "SELECT name, gruppe FROM user WHERE name = '%{_p}%';" and close
	set {_prefix::*} to objects in column "permissions" from result of query "SELECT permissions FROM groups WHERE name = '%{_groups%{_p}%::*}%';" and close
	if "%{_prefix::*}%" contains "%{_perm}%":
		set {ret} to true
		return {ret}
	else:
		set {ret} to false
		send "{@perm}" to {_p}
		stop