<?php
    $host =addslashes("localhost");
    $user =addslashes("root");
    $pass =addslashes("");
    $bank =addslashes("transformice");

    $conexao=mysqli_connect($host,$user,$pass,$bank);

    if (mysqli_connect_errno($conexao)){
        echo "<center>";
        echo "<a href='index.html'>Retornar</a>";
    }else{
    }
    ?>