First & Foremost:
WHERE ARE YOU AT THIS VERY MOMENT?
PHILIPPINES OR UK?
Where do you intend to marry? PI or UK?
If you will be married in the PI, you will be able to skip 1 visa application, that is FIANCEE VISA (valid for 6mos only) this will save you money.
You will then need to apply SPOUSE VISA that is valid for 2 yrs (pls correct me if im wrong?)
Then ILR after 2 yrs
Then Citizenship
If marrying in the UK
Fiancee Visa 6mos
FLR 2yrs
ILR valid for 5 yrs
Brit Citizenship after 3 yrs of stay in the UK
Common factor:
All of the above mentioned will involve MONEY MONEY MONEY £££££££££!