PMA\libraries\File::setUploadedFile PHP Метод

    public function setUploadedFile($name)
    {
        $this->setName($name);
        if (!$this->isUploaded()) {
            $this->setName(null);
            $this->_error_message = Message::error(__('File was not an uploaded file.'));
            return false;
        }
        return true;
    }