SQL'de sorun var. Lütfen düzgün bağladığına emin ol!
Warning: Undefined variable $db in C:\xampp\htdocs\index.php on line 11
Fatal error: Uncaught Error: Call to a member function prepare() on null in C:\xampp\htdocs\index.php:11
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\index.php on line 11