Bitrix24Manager::hasPurchasedLicense

static function hasPurchasedLicense()
{
	if (self::$hasPurchasedLicense !== null)
	{
		return self::$hasPurchasedLicense;
	}

	if (
		!(ModuleManager::isModuleInstalled('bitrix24')
		&& Loader::includeModule('bitrix24'))
		&& method_exists('CBitrix24', 'IsLicensePaid')
	)
	{
		return (self::$hasPurchasedLicense = false);
	}

	return (self::$hasPurchasedLicense = CBitrix24::IsLicensePaid());
}