Veritabanı bağlantısı gerçekleştirilemedi.
Warning: Undefined variable $connection in C:\inetpub\wwwroot\ipy\header.php on line 2
Fatal error: Uncaught Error: Call to a member function query() on null in C:\inetpub\wwwroot\ipy\header.php:2
Stack trace:
#0 C:\inetpub\wwwroot\ipy\index.php(8): require()
#1 {main}
thrown in C:\inetpub\wwwroot\ipy\header.php on line 2