This will make you familiarize regarding the past and present President of PH.

Under the Constitution of the Philippines, the President of the Philippines is both the head of state and the head of government, and also serves as the commander-in-chief of the country's armed forces.[4] The President is directly elected by qualified voters of the population to a six-year term and must be "a natural-born citizen of the Philippines, a registered voter, able to read and write, at least forty years of age on the day of the election, and a resident of the Philippines for at least ten years immediately preceding such election". Any person who has served as president for more than four years is barred from running for the position again. Upon an incumbent president's death, permanent disability, resignation, or removal from office, the Vice President assumes the post.

Data was from Wikipedia:

https://en.wikipedia.org/wiki/List_of_Presidents_of_the_Philippines