If I buy an iPhone in Singapore, will it work in the Philippines

If I buy an iPhone in Singapore, will it work in the Philippines?
I will really appreciate your help :)
Cell Phones & Plans - 2 Answers
Random Answers, Critics, Comments, Opinions :
1 :
It Should.
2 :
No http://answers.yahoo.com/question/index;_ylt=AsHEpu.f41sBgnYA2DmP.KXsy6IX;_ylv=3?qid=20080429083801AAOJXWu