Workerman\Protocols\Http::parseUploadFiles PHP Метод

    protected static function parseUploadFiles($http_body, $http_post_boundary)
    {
        $http_body = substr($http_body, 0, strlen($http_body) - (strlen($http_post_boundary) + 4));
        $boundary_data_array = explode($http_post_boundary . "\r\n", $http_body);
        if ($boundary_data_array[0] === '') {
            unset($boundary_data_array[0]);
        }
        foreach ($boundary_data_array as $boundary_data_buffer) {
            list($boundary_header_buffer, $boundary_value) = explode("\r\n\r\n", $boundary_data_buffer, 2);
            // Remove \r\n from the end of buffer.
            $boundary_value = substr($boundary_value, 0, -2);
            foreach (explode("\r\n", $boundary_header_buffer) as $item) {
                list($header_key, $header_value) = explode(": ", $item);
                $header_key = strtolower($header_key);
                switch ($header_key) {
                    case "content-disposition":
                        // Is file data.
                        if (preg_match('/name=".*?"; filename="(.*?)"$/', $header_value, $match)) {
                            // Parse $_FILES.
                            $_FILES[] = array('file_name' => $match[1], 'file_data' => $boundary_value, 'file_size' => strlen($boundary_value));
                            continue;
                        } else {
                            // Parse $_POST.
                            if (preg_match('/name="(.*?)"$/', $header_value, $match)) {
                                $_POST[$match[1]] = $boundary_value;
                            }
                        }
                        break;
                }
            }
        }
    }