APIRest::parseIncomingParams PHP Метод

    public function parseIncomingParams($is_inline_doc = false)
    {
        $parameters = array();
        // first of all, pull the GET vars
        if (isset($_SERVER['QUERY_STRING'])) {
            parse_str($_SERVER['QUERY_STRING'], $parameters);
        }
        // now how about PUT/POST bodies? These override what we got from GET
        $body = trim(file_get_contents("php://input"));
        if (strlen($body) > 0 && $this->verb == "GET") {
            // GET method requires an empty body
            $this->returnError("GET Request should not have json payload (http body)", 400, "ERROR_JSON_PAYLOAD_FORBIDDEN");
        }
        $content_type = "";
        if (isset($_SERVER['CONTENT_TYPE'])) {
            $content_type = $_SERVER['CONTENT_TYPE'];
        } else {
            if (isset($_SERVER['HTTP_CONTENT_TYPE'])) {
                $content_type = $_SERVER['HTTP_CONTENT_TYPE'];
            } else {
                if (!$is_inline_doc) {
                    $content_type = "application/json";
                }
            }
        }
        if (strpos($content_type, "application/json") !== false) {
            if ($body_params = json_decode($body)) {
                foreach ($body_params as $param_name => $param_value) {
                    $parameters[$param_name] = $param_value;
                }
            } else {
                if (strlen($body) > 0) {
                    $this->returnError("JSON payload seems not valid", 400, "ERROR_JSON_PAYLOAD_INVALID", false);
                }
            }
            $this->format = "json";
        } else {
            if (strpos($content_type, "multipart/form-data") !== false) {
                if (count($_FILES) <= 0) {
                    // likely uploaded files is too big so $_REQUEST will be empty also.
                    // see http://us.php.net/manual/en/ini.core.php#ini.post-max-size
                    $this->returnError("The file seems too big", 400, "ERROR_UPLOAD_FILE_TOO_BIG_POST_MAX_SIZE", false);
                }
                // with this content_type, php://input is empty... (see http://php.net/manual/en/wrappers.php.php)
                if (!($uploadManifest = json_decode(stripcslashes($_REQUEST['uploadManifest'])))) {
                    $this->returnError("JSON payload seems not valid", 400, "ERROR_JSON_PAYLOAD_INVALID", false);
                }
                foreach ($uploadManifest as $field => $value) {
                    $parameters[$field] = $value;
                }
                $this->format = "json";
            } else {
                if (strpos($content_type, "application/x-www-form-urlencoded") !== false) {
                    parse_str($body, $postvars);
                    foreach ($postvars as $field => $value) {
                        $parameters[$field] = $value;
                    }
                    $this->format = "html";
                } else {
                    $this->format = "html";
                }
            }
        }
        // retrieve HTTP headers
        $headers = array();
        if (function_exists('getallheaders')) {
            //apache specific
            $headers = getallheaders();
        } else {
            // other servers
            foreach ($_SERVER as $server_key => $server_value) {
                if (substr($server_key, 0, 5) == 'HTTP_') {
                    $headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($server_key, 5)))))] = $server_value;
                }
            }
        }
        // try to retrieve basic auth
        if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
            $parameters['login'] = $_SERVER['PHP_AUTH_USER'];
            $parameters['password'] = $_SERVER['PHP_AUTH_PW'];
        }
        // try to retrieve user_token in header
        if (isset($headers['Authorization']) && strpos($headers['Authorization'], 'user_token') !== false) {
            $auth = explode(' ', $headers['Authorization']);
            if (isset($auth[1])) {
                $parameters['user_token'] = $auth[1];
            }
        }
        // try to retrieve session_token in header
        if (isset($headers['Session-Token'])) {
            $parameters['session_token'] = $headers['Session-Token'];
        }
        // try to retrieve app_token in header
        if (isset($headers['App-Token'])) {
            $parameters['app_token'] = $headers['App-Token'];
        }
        $this->parameters = $parameters;
    }