Database Bağlantısı Kurulmadı!
Warning: Undefined variable $db in C:xampphtdocsincludebaglan.php on line 14

Fatal error: Uncaught Error: Call to a member function query() on null in C:xampphtdocsincludebaglan.php:14 Stack trace: #0 C:xampphtdocsincludeheader.php(1): include() #1 C:xampphtdocsindex.php(1): include('C:\xampp\htdocs...') #2 {main} thrown in C:xampphtdocsincludebaglan.php on line 14


hatam tamda bu nasıl çözeceğim bulamadım gitti