Laravoole\Parser::parseFormData PHP Method

    public static function parseFormData($request, $orig_boundary)
    {
        $orig_boundary = str_replace('boundary=', '', $orig_boundary);
        $boundary_next = "\n--{$orig_boundary}";
        $boundary_next_len = strlen($boundary_next);
        $boundary = "--{$orig_boundary}";
        $rawContent = $request->rawContent();
        $rawContent_len = strlen($rawContent);
        $current = strpos($rawContent, $boundary) + strlen($boundary);
        do {
            $boundary_start = $current;
            if ($boundary_start > $rawContent_len) {
                break;
            }
            $chr = $rawContent[$boundary_start];
            if ($chr == '-' && $rawContent[$boundary_start + 1] == '-') {
                break;
            }
            while ($chr == "\n" || $chr == "\r") {
                $boundary_start++;
                if ($boundary_start > $rawContent_len) {
                    break 2;
                }
                $chr = $rawContent[$boundary_start];
            }
            // $boundary_start pointed at the first column of meta
            $current = $boundary_start;
            do {
                $current++;
                if ($current > $rawContent_len) {
                    break 2;
                }
            } while ($rawContent[$current] != "\n" || $rawContent[$current + 1] != "\r" && $rawContent[$current] + 1 != "\n");
            if ($rawContent[$current - 1] == "\r") {
                $len = $current - $boundary_start - 1;
            } else {
                $len = $current - $boundary_start;
            }
            // $current pointed at \n
            $line = substr($rawContent, $boundary_start, $len);
            $head = static::parseHeaderLine($line);
            $meta = static::parseParams($head['Content-Disposition']);
            $meta = array_change_key_case($meta);
            do {
                $current++;
                if ($current > $rawContent_len) {
                    break 2;
                }
            } while ($rawContent[$current] != "\n");
            $current++;
            // $current pointed at the beginning of value
            $uploading = isset($meta['filename']);
            if (!$uploading) {
                $boundary_end = strpos($rawContent, $boundary_next, $current);
                if ($rawContent[$boundary_end - 1] == "\r") {
                    $len = $boundary_end - $current - 1;
                } else {
                    $len = $boundary_end - $current;
                }
                $value = substr($rawContent, $current, $len);
                $current = $boundary_end;
                $item =& static::getVariableRegisterTarget($arr, $meta);
                $item = $value;
                unset($item);
                $request->post += $arr;
            } else {
                // upload file
                $tempdir = $request->getTempDir();
                $filename = tempnam($tempdir, 'laravoole_upload_');
                $fp = fopen($filename, 'w');
                $file_start = $current;
                $file_status = UPLOAD_ERR_EXTENSION;
                do {
                    $buf = substr($rawContent, $current, 8192);
                    if (!$buf) {
                        break;
                    }
                    $found = strpos($buf, $boundary_next);
                    if ($found !== false) {
                        if ($buf[$found - 1] == "\r") {
                            $len = $found - 1;
                        } else {
                            $len = $found;
                        }
                        $buf = substr($buf, 0, $len);
                        $current += $found;
                        $file_status = UPLOAD_ERR_OK;
                        fwrite($fp, $buf);
                        break;
                    } else {
                        $current += 8192;
                        fwrite($fp, $buf);
                    }
                } while ($found === false);
                fclose($fp);
                $value = ['name' => $meta['filename'], 'type' => $head['Content-Type'], 'size' => $current - $file_start, 'error' => $file_status, 'tmp_name' => $filename];
                $arr = '';
                $item =& static::getVariableRegisterTarget($arr, $meta);
                $item = $value;
                unset($item);
                $request->files += $arr;
                $item =& static::getVariableRegisterTarget($arr, $meta);
                $item = $meta['filename'];
                UploadedFile::$files[$filename] = true;
                unset($item);
                $request->post += $arr;
                if (!static::$uploaded_file_overrided) {
                    require __DIR__ . DIRECTORY_SEPARATOR . 'override' . DIRECTORY_SEPARATOR . '_uploaded_file.php';
                    static::$uploaded_file_overrided = true;
                }
            }
            $current += $boundary_next_len;
        } while (1);
    }