运行时配置

这些函数的行为受 php.ini 中的设置影响。

Unified ODBC Configuration Options

Name	Default	Changeable	Changelog
odbc.default_db *	NULL	PHP_INI_ALL
odbc.default_user *	NULL	PHP_INI_ALL
odbc.default_pw *	NULL	PHP_INI_ALL
odbc.allow_persistent	"1"	PHP_INI_SYSTEM
odbc.check_persistent	"1"	PHP_INI_SYSTEM
odbc.max_persistent	"-1"	PHP_INI_SYSTEM
odbc.max_links	"-1"	PHP_INI_SYSTEM
odbc.defaultlrl	"4096"	PHP_INI_ALL
odbc.defaultbinmode	"1"	PHP_INI_ALL
odbc.default_cursortype	"3"	PHP_INI_ALL	Available as of PHP 5.3.0

Note: Entries marked with * are not implemented yet.

有关 PHP_INI_* 样式的更多详情与定义，见 Where a configuration setting may be set。

这是配置指令的简短说明。

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 boolean

Whether to allow persistent ODBC connections.

odbc.check_persistent boolean

Check that a connection is still valid before reuse.

odbc.max_persistent integer

The maximum number of persistent ODBC connections per process.

odbc.max_links integer

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

odbc.defaultlrl integer

Handling of LONG fields. Specifies the number of bytes returned to variables.

当使用 integer 时, 其值以字节来衡量。还可以使用在FAQ中描述的速记符。

odbc.defaultbinmode integer

Handling of binary data.

odbc.default_cursortype integer

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