Can WordPress hide null values in an array?
I have this array of parameters: $fields = [ 'idutente' => $_POST['acf']['field_60084ad3970a8'] ?? 0, 'nome' => $_POST['acf']['field_6050d30f14572'], 'cognome' => $_POST['acf']['field_6050d32614573'], 'titolo' => $_POST['acf']['field_605253f9f597d'], 'sesso' => $_POST['acf']['field_605312ee27c34'], 'ente' => $_POST['acf']['field_6048890606c82'], 'ruolo' => $_POST['acf']['field_604888fc06c81'], 'idnazione' => $_POST['acf']['field_60526f08d2fbb'], 'citta' => $_POST['acf']['field_6048897606c87'], 'provincia' =>…