Connector::getLinkUsageOptionValue

static function getLinkUsageOptionValue()
{
	$usageFlagsOpt = ConfigOption::get("sale", static::getLinkOptionName());
	if(!mb_strlen($usageFlagsOpt) || !is_array($usageFlags = unserialize($usageFlagsOpt, ['allowed_classes' => false])))
		$usageFlags = array();

	return $usageFlags;
}