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
PHP Manual