<?php
$servername = "localhost";
$username = "ndconsulta";
$password = "Nitro2021";
$database = "db_compranet";

// Crear conexión
$conn = new mysqli($servername, $username, $password, $database);

// Verificar conexión
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}