There must be a decision from your church if the marriage ceremony is a church wedding and solemnized by Minister, pastor or a church leader authorized to solemnized marriage.
If you are going abroad and be a citizen in a country, where divorce is legal and accepted. Then, you file a divorce to remarry again. You are still commit a crime of bigamy because you succeeding marriage is still valid. Law in the Philippines, is not authorizing divorce as a legal basis to be free and re-marry again. Remember, that you are still a Filipino and always in the range of this law.