Bitrix24Scenario::getDateInstallationOnlyOffice

protected function getDateInstallationOnlyOffice(): ?DateTime
{
	if (!$this->loadedDateInstallation)
	{
		$value = Option::get(Driver::INTERNAL_MODULE_ID, 'disk_onlyoffice_installation_date', null);
		$this->loadedDateInstallation = true;
		if ($value)
		{
			$this->dateInstallation = DateTime::createFromTimestamp($value);
		}
	}

	return $this->dateInstallation;
}