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\PagSeguroAuthorizationSearchService.class.php(194): PagSeguroHttpConnection->__construct() #1 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\authorization\search\searchAuthorizationByReference.php(42): PagSeguroAuthorizationSearchService::searchByReference(Object(PagSeguroApplicationCredentials), 'REF123') #2 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\authorization\search\searchAuthorizationByReference.php(96): SearchAuthorizationByReference::main() #3 {main} thrown in C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\utils\PagSeguroHttpConnection.class.php on line 36