PHP에 $_REQUEST 변수가 있는데
이 변수는 $_GET, $_POST, $_COOKIE를 포함한다.
다음을 참고하기 바란다.
The PHP $_REQUEST variable contains the contents of both $_GET, $_POST, and $_COOKIE.
The PHP $_REQUEST variable can be used to get the result from form data sent with both the GET and POST methods.
Reference:
http://www.w3schools.com/php/php_get.asp
