Fatal error: Uncaught Exception: PagSeguroLibrary: cURL library is required. in C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\utils\PagSeguroHttpConnection.class.php:36 Stack trace: #0 C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\service\PagSeguroDirectPaymentService.class.php(79): PagSeguroHttpConnection->__construct() #1 C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\domain\PagSeguroDirectPaymentRequest.class.php(290): PagSeguroDirectPaymentService::checkoutRequest(Object(PagSeguroApplicationCredentials), Object(PagSeguroDirectPaymentRequest)) #2 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\direct\createTransactionUsingCreditCard.php(163): PagSeguroDirectPaymentRequest->register(Object(PagSeguroApplicationCredentials)) #3 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\direct\createTransactionUsingCreditCard.php(224): CreateTransactionUsingCreditCard::main() #4 {main} thrown in C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\utils\PagSeguroHttpConnection.class.php on line 36