這些函式的行為受 php.ini 的影響。
名字 | 預設 | 可修改範圍 | 更新日誌 |
---|---|---|---|
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 |
有關 PHP_INI_* 常數進一步的細節與定義參見Where a configuration setting may be set。Note: Entries marked with * are not implemented yet.
以下是設定選項的簡要解釋。
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.
當使用 integer 類型時,其值以位元組為度量單位。還可以用簡化符號,說明見此 FAQ。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).