This is my code
<?php
$method = $_SERVER['REQUEST_METHOD'];
switch ($method) {
  case 'POST':
    rest_post();  
    break;
  case 'GET':
    rest_get();  
    break;
  default:
    rest_error();  
    break;
}
function rest_get(){
    $url = $_SERVER['QUERY_STRING'];
    parse_str($url, $get_array);
    print_r($get_array);
}
function rest_post(){
    // display post params as array
}
HTTP GET
/index.php?q=hi&q2=hello
Output:
Array
(
    [q] => hi
    [q2] => hello
)
I just like to do the same to HTTP POST but I don't have any idea how to it. For example I don't know what type of post data I will be getting.