https://plynoi.com/2013/05/20/%e0%b9%83%e0%b8%8a%e0%b9%89-curl-%e0%b8%a2%e0%b8%b4%e0%b8%87-http-post-%e0%b9%81%e0%b8%a5%e0%b8%b0-get/