The behaviour of these functions is affected by settings in php.ini.
Note: Entries marked with * are not implemented yet.
Here's a short explanation of the configuration directives.
ODBC data source to use if none is specified in odbc_connect() or odbc_pconnect().
User name to use if none is specified in odbc_connect() or odbc_pconnect().
Password to use if none is specified in odbc_connect() or odbc_pconnect().
Whether to allow persistent ODBC connections.
Check that a connection is still valid before reuse.
The maximum number of persistent ODBC connections per process.
The maximum number of ODBC connections per process, including persistent connections.
Handling of LONG fields. Specifies the number of bytes returned to variables.
Handling of binary data.