//PHP獲取 post資料

function get_raw_post_data() {
if (isset($GLOBALS['HTTP_RAW_POST_DATA'])) {
return $GLOBALS['HTTP_RAW_POST_DATA'];
} else {
return file_get_contents('php://input');
}
}

function get_json_request() {
$request = get_raw_post_data();
if ($request == "") {
return "Parse Error: no data";
}
$encoding 
 
= mb_detect_encoding($request, 'auto');//獲取$request編碼
//convert to unicode
if ($encoding != 'UTF-8') {
$request = iconv($encoding, 'UTF-8', $request);//將$request的編碼設定為UTF-8
}
$request = json_decode($request);//將json字串轉為陣列
if ($request == NULL) { // parse error
$error = json_error();
        return $error;
}
return 
 
$request;
}