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# dba_firstkey

(PHP 3 >= 3.0.8, 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

后退 | 起点 | 前进
dba_fetch | 上一级 | dba_handlers