12. How to Obtain a Driver’s License
In the Philippines, only RESIDENTS may obtain a legal driver’s license. If you are in the country on a tourist visa, you MAY NOT legally obtain a license, in which case you would need to obtain an international driver’s license from your country of origin.
Please go to this link for more information on obtaining and international driver’s license: http://seniortravel.about.com/od/seniortravelbasics/f/IDP.htm
You can also ask other expat and Filipino friends for their guidance on this matter.