问题 I need to extract data from SAP ERP for a third-party system. The third-party system has to be able to request remotely data from SAP ERP on demand (i.e. information from a given employee). So the point is to make queries (mainly employees, inventory, stock) for a given resource. Therefore the data to transfer should be small for each request. The system is PHP-based. My questions are: a) Best way to carry out this task b) Do I need to carry some operation or coding within SAP to enable such