<table  border="1">
<tr>
<td>ID Klienta</td>
<td>Nazwisko</td>
<td>Imie</td>
<td>Nr dowodu</td>
</tr>


<?php
$serwer = "localhost";
$user = "root";
$pass = "";
$db = "wypozyczalnia";

$con = new mysqli($serwer, $user, $pass, $db);

$zapytanie = $con->query("SELECT * FROM `klienci` WHERE 1");

while ($row=$zapytanie->fetch_row()){
echo ("<tr><td>".$row[0]."</td><td>".$row[1]."</td><td>".$row[2]."</td><td>".$row[3]."</td></tr>");
}


?>
</table>