这些函数的行为受 php.ini 中的设置影响。
| 名字 | 默认 | 可修改范围 | 更新日志 |
|---|---|---|---|
| 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 |
有关 PHP_INI_* 样式的更多详情与定义，见 配置可被设定范围。Note: Entries marked with * are not implemented yet.
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
bool
Whether to allow persistent ODBC connections.
odbc.check_persistent
bool
Check that a connection is still valid before reuse.
odbc.max_persistent
int
The maximum number of persistent ODBC connections per process.
odbc.max_links
int
The maximum number of ODBC connections per process, including persistent connections.
odbc.defaultlrl
int
Handling of LONG fields. Specifies the number of bytes returned to variables. See odbc_longreadlen() for details.
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
int
Handling of binary data. See odbc_binmode() for details.
odbc.default_cursortype
int
Controls the ODBC cursor model.
Possible values are SQL_CURSOR_FORWARD_ONLY,
SQL_CURSOR_KEYSET_DRIVEN,
SQL_CURSOR_DYNAMIC and
SQL_CURSOR_STATIC (default).