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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
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).