ora_logon Open an Oracle connection resourceora_logon stringuser stringpassword Establishes a connection between PHP and an Oracle database with the given username user and password password. Connections can be made using SQL*Net by supplying the TNS name to user like this: If you have character data with non-ASCII characters, you should make sure that NLS_LANG is set in your environment. For server modules, you should set it in the server's environment before starting the server. Returns a connection index on success, or &false; on failure. Details about the error can be retrieved using the ora_error and ora_errorcode functions.