FileItem::__construct

public function __construct($diskFile, ?int $chatId = null)
{
	if ($diskFile instanceof File)
	{
		$this->setDiskFile($diskFile);
	}
	elseif (is_numeric($diskFile))
	{
		$this->diskFileId = (int)$diskFile;
	}
	if ($chatId)
	{
		$this->setChatId($chatId);
	}
}