$servername = $_POST("localhost");
$database = $_POST("database");
$username = $_POST("username");
$password = $_POST("password");
try {
$conn = new PDO("mysql:host={$servername};dbname={$database}", $username, $password);
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully";
} catch(PDOException $e) {
echo "Connection failed: " . $e->getMessage();
}