PHP Manual: dba

function dba_insert(string|array $key, string $value, Dba\Connection $dba): bool

dba_insert() inserts the entry described with key and value into the database.

key: The key of the entry to be inserted. If this key already exist in the database, this function will fail. Use dba_replace() if you need to replace an existent key.
value: The value to be inserted.
dba: A Dba\Connection instance, returned by dba_open() or dba_popen().

Returns true on success or false on failure.

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

dba_insert