Establishes a connection between PHP and an Oracle
database with the given username and 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.