I-130 has official instructions. Read those. The information is there. If still unclear, make a consultation with an immigration attorney.
The information contained in this answer is provided for informational purposes only, and should not be construed as legal advice on any subject matter,not should it be viewed as establishing an attorney client relationship of any kind.
You would benefit tremendously from hiring a lawyer. There are many different ways by which someone can be eligible to immigrate to the U.S. and you would only know the best strategy by consulting an attorney.
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The I-130 will work if you and your husband were married before your son was 16. Once the I-130 is approved, your son will start the process of consular processing for his immigrant visa. Cases from the Philippines are being processed faster, but you're probably still looking at about a year before your son can come to the United States.
This general advice does not create an attorney-client relationship. If you are interested in discussing this situation further, call 678-713-4255 for a consultation.