<?php

$host="localhost";
$user="root";
$password="";
$dbname="database";

$con = new mysqli($host, $user, $password, $dbname);

if ($con->connect_error) {
    die("Connection failed: " . $con->connect_error);
}

else
    echo "Connected successfully";   ?>

<?php

include 'conexao.php';

if ($con->connect_error) {
    die("Connection failed: " . $con->connect_error);
}

else
    echo "Connected successfully"; ?>