dba_firstkey

(PHP 4, PHP 5, PHP 7, PHP 8)

dba_firstkey — Fetch first key

Description

dba_firstkey(resource $dba): string|false

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

Parameters

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

Return Values

Returns the key on success or false on failure.

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