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dba_list	dba_open

DBA Functions	Last updated: Mon, 26 Oct 2026

dba_nextkey

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

dba_nextkey — Fetch next key

Description

function dba_nextkey(Dba\Connection $dba): string|false

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

Parameters

dba: A Dba\Connection instance, returned by dba_open() or dba_popen().

Return Values

Returns the key on success or false on failure.

Changelog

Version	Description
8.4.0	The `dba` parameter expects a Dba\Connection instance now; previously, a valid `dba` resource was expected.

See Also

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

dba_list	dba_open

DBA Functions	Last updated: Mon, 26 Oct 2026