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dba_insert	dba_list

DBA Functions	Last updated: Mon, 26 Oct 2026

dba_key_split

(PHP 5, PHP 7, PHP 8)

dba_key_split — Splits a key in string representation into array representation

Description

function dba_key_split(string|false|null $key): array|false

dba_key_split() splits a key (string representation) into an array representation.

Parameters

key: The key in string representation.

Return Values

Returns an array of the form array(0 => group, 1 => value_name). This function will return false if key is null or false.

Changelog

Version	Description
8.4.0	Passing `null` or `false` to `key` is now deprecated.

See Also

dba_firstkey() - Fetch first key
dba_nextkey() - Fetch next key
dba_fetch() - Fetch data specified by key

dba_insert	dba_list

DBA Functions	Last updated: Mon, 26 Oct 2026