Walesrob is right, you'll get an automatically 21 day stay free in Phils and make sure you extend your visa before 21 day expired or else you will have to pay overstay fee.
If you are married to a Filipina, next time you both visit Philippines you will get automatically 7 months visa stamp free from the Immigration at the airport (this was based on our experienced).
Visit www.immigration.gov.ph
