ini_set('display_errors', 1);
error_reporting(E_ALL);

$host = "localhost";
$user = "u118632274_NgtOq";
$pass = "Otavio@1224";
$db   =u118632274_ivVd8;

$conn = new mysqli($host, $user, $pass, $db);
<form method="POST">
    <input name="email" placeholder="Email">
    <input name="senha" type="password" placeholder="Senha">
    <button>Entrar</button>
</form>