dba_exists

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

dba_exists — Check whether key exists

Description

dba_exists(string|array $key, Dba\Connection $dba): bool

dba_exists() checks whether the specified key exists in the database.

Parameters

key
The key the check is performed for.
dba
A Dba\Connection instance, returned by dba_open() or dba_popen().

Return Values

Returns true if the key exists, false otherwise.

Changelog

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

See Also