Warning: Undefined variable $sql_gs in C:\xampp\htdocs\modules\top10_m.php on line 5

Fatal error: Uncaught Error: Call to a member function query() on null in C:\xampp\htdocs\modules\top10_m.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\modules\top10_m.php on line 5