Configuration::getMaxFileSize

public function getMaxFileSize(): ?int
{
	if ($this->maxFileSize === null)
	{
		$value = $this->getValue('max_filesize', 'disk_onlyoffice_max_filesize');
		$this->maxFileSize = ($value === null || $value === '') ? self::DEFAULT_MAX_FILESIZE : (int)$value;
	}

	return $this->maxFileSize;
}