dba_popen
(PHP 4, PHP 5, PHP 7)
dba_popen — Open database persistently
说明
dba_popen() establishes a persistent database instance
for path with mode using
handler.
参数
-
path -
Commonly a regular path in your filesystem.
-
mode -
It is r for read access, w for read/write access to an already existing database, c for read/write access and database creation if it doesn't currently exist, and n for create, truncate and read/write access.
-
handler -
The name of the handler which shall be used for accessing
path. It is passed all optional parameters given to dba_popen() and can act on behalf of them.
返回值
Returns a positive handle on success 或者在失败时返回 FALSE.