dba_firstkey

(PHP 4, PHP 5)

dba_firstkey — Fetch first key

说明

string dba_firstkey ( resource $handle )

dba_firstkey() returns the first key of the database and resets the internal key pointer. This permits a linear search through the whole database.

参数

handle: The database handler, returned by dba_open() or dba_popen().

返回值

Returns the key on success, or FALSE on failure.

参见

dba_nextkey()
dba_key_split()
Example 2 in the DBA examples


	PHP5中文手册 dba_fetch dba_handlers dba PHP Manual dba_firstkey (PHP 4, PHP 5) dba_firstkey — Fetch first key 说明 string dba_firstkey ( resource `$handle` ) dba_firstkey() returns the first key of the database and resets the internal key pointer. This permits a linear search through the whole database. 参数 `handle` The database handler, returned by dba_open() or dba_popen(). 返回值 Returns the key on success, or `FALSE` on failure. 参见 dba_nextkey() dba_key_split() Example 2 in the DBA examples dba_fetch dba_handlers dba PHP Manual