CB24Updater::GetDatabaseVersions

static function GetDatabaseVersions()
{
	global $DB;

	$arDBVersions = array();

	$dbResult = $DB->Query("SELECT VALUE FROM b_option WHERE MODULE_ID='main' AND NAME='BITRIX24_VERSIONS' AND SITE_ID IS NULL", true);
	if ($arResult = $dbResult->Fetch())
	{
		$val = $arResult["VALUE"];
		if ($val <> '')
		{
			$arDBVersions = unserialize($val, ['allowed_classes' => false]);
			if (!is_array($arDBVersions))
				$arDBVersions = array();
		}
	}

	return $arDBVersions;
}