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\PagSeguroPreApprovalSearchService.class.php(195): PagSeguroHttpConnection->__construct() #1 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\preapproval\search\searchPreApprovalByInterval.php(45): PagSeguroPreApprovalSearchService::searchByInterval(Object(PagSeguroAccountCredentials), 20) #2 C:\Apache24\htdocs\library\Zend\PagSeguro\source\examples\preapproval\search\searchPreApprovalByInterval.php(95): SearchPreApproval::searchByInterval() #3 {main} thrown in C:\Apache24\htdocs\library\Zend\PagSeguro\source\PagSeguroLibrary\utils\PagSeguroHttpConnection.class.php on line 36