dba_firstkey

(PHP 4, PHP 5, PHP 7)

dba_firstkey — Fetch first key

说锟斤拷

dba_firstkey ( resource $handle ) : string

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

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handle

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

锟斤拷锟斤拷值

Returns the key on success 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE.

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