Connection error :SQLSTATE[HY000] [2002] No connection could be made because the target machine actively refused it
Warning: Undefined variable $pdo in D:\laragon\www\arraf\header.php on line 16

Fatal error: Uncaught Error: Call to a member function prepare() on null in D:\laragon\www\arraf\header.php:16 Stack trace: #0 D:\laragon\www\arraf\about.php(1): require_once() #1 {main} thrown in D:\laragon\www\arraf\header.php on line 16