dba_exists

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

dba_exists — Check whether key exists

Description

dba_exists(string|array $key, resource $dba): bool

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

Parameters

key

The key the check is performed for.

dba

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

Return Values

Returns true if the key exists, false otherwise.

See Also