In order to have these functions available, you must compile PHP with MaxDB support. Additionally, you must have the MaxDB SQLDBC runtime library available to access the MaxDB server.
Documentation for MaxDB SQLDBC can be found at » http://maxdb.sap.com/documentation/.
Download the MaxDB SQLDBC package from » http://www.sdn.sap.com/irj/sdn/maxdb-downloads.