You can get to know the legitimacy of Bitcoin for each country by following this link: https://en.wikipedia.org/wiki/Legality_of_bitcoin_by_country

According to Philippines: "On 6 March 2014, Bangko Sentral ng Pilipinas (BSP) issued a statement on risks associated with bitcoin trading and usage. Bitcoin exchanges are not regulated by BSP at the moment."

There are also 7 merchants who accepts Bitcoin in Philippines: https://www.techinasia.com/bitcoins-spend-7-merchants-accepting-bitcoins-philippines

Lastly, you can visit your local board here: https://bitcointalk.org/index.php?board=219.0
in case you have any further queries.