# dba_nextkey

(PHP 4, PHP 5, PHP 7)

dba_nextkey — Fetch next key

### 说明

dba_nextkey ( resource `$handle` ) : string

dba_nextkey() returns the next key of the database and advances the internal key pointer.

### 参数

`handle`

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

### 返回值

Returns the key on success 或者在失败时返回 `FALSE`.

### 参见

- dba_firstkey() - Fetch first key
- dba_key_split() - Splits a key in string representation into array representation
- Example 2 in the DBA examples