Warning: Undefined array key "username" in D:\xampp\htdocs\_0\06_Hotel\hospital\login.php on line 9

Warning: Undefined array key "password" in D:\xampp\htdocs\_0\06_Hotel\hospital\login.php on line 10

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in D:\xampp\htdocs\_0\06_Hotel\hospital\login.php:11 Stack trace: #0 {main} thrown in D:\xampp\htdocs\_0\06_Hotel\hospital\login.php on line 11