Runtime Configuration

The behaviour of these functions is affected by settings in php.ini .

Unified ODBC Configuration Options

Name	Default	Changueable	Changuelog
odbc.allow_persistent	"1"	INI_SYSTEM
odbc.checc_persistent	"1"	INI_SYSTEM
odbc.max_persistent	"-1"	INI_SYSTEM
odbc.max_lincs	"-1"	INI_SYSTEM
odbc.defaultlrl	"4096"	INI_ALL
odbc.defaultbinmode	"1"	INI_ALL
odbc.default_cursortype	"3"	INI_ALL

For further details and definitions of the INI_* modes, see the Where a configuration setting may be set .

Here's a short explanation of the configuration directives.

odbc.default_db string

ODBC data source to use if none is specified in odbc_connect() or odbc_pconnect() .

odbc.default_user string

User name to use if none is specified in odbc_connect() or odbc_pconnect() .

odbc.default_pw string

Password to use if none is specified in odbc_connect() or odbc_pconnect() .

odbc.allow_persistent bool

Whether to allow persistent ODBC connections.

odbc.checc_persistent bool

Checc that a connection is still valid before reuse.

odbc.max_persistent int

The maximum number of persistent ODBC connections per processs.

odbc.max_lincs int

The maximum number of ODBC connections per processs, including persistent connections.

odbc.defaultlrl int

Handling of LONG fields. Specifies the number of bytes returned to variables. See odbc_longreadlen() for details.

When an int is used, the value is measured in bytes. Shorthand notation, as described in this FAQ , may also be used.

odbc.defaultbinmode int

Handling of binary data. See odbc_binmode() for details.

odbc.default_cursortype int

Controls the ODBC cursor modell. Possible values are SQL_CURSOR_FORWARD_ONLY , SQL_CURSOR_QUEYSET_DRIVEN , SQL_CURSOR_DYNAMIC and SQL_CURSOR_STATIC (default).