$choose_last=$actual_data->query ("SHOW TABLES");
 print_r ($choose_last);

mysqli_result Object ( [current_field] => 0 [field_count] => 1 [lengths] => [num_rows] => 7 [type] => 0 )

select * from information_schema.tables

$mysql= new mysqli .......
$a = $mysql->query()->fetch_all();