PHP-wyswietanie

<?php
		$serwer = "localhost";
		$user = "root";
		$pass = "";
		$dbname = "rowerowy";

		$polaczenie = new mysqli($serwer, $user, $pass, $dbname);
		if ($polaczenie->connect_error) {
			die("Connection failed: " . $polaczenie->connect_error);
		}

		$wynik = mysqli_query($polaczenie,"SELECT * FROM rowery");

		if(mysqli_num_rows($wynik) > 0) {

			echo "<table border=1>";
			echo "<tr> <td>ID</td> <td>Producent</td> <td>Model</td> <td>Rozmiar Ramy</td> <td>Rozmiar Kola</td> </tr>";
			while($r = mysqli_fetch_assoc($wynik)) {
				echo "<tr>";
				echo "<td>".$r['Id']."</td>";
				echo "<td>".$r['Producent']."</td>";
				echo "<td>".$r['Model']."</td>";
				echo "<td>".$r['roz_Ramy']." cali</td>";
				echo "<td>".$r['roz_Kola']." cali</td>";
				echo "</tr>";
    }
    echo "</table>";
}
	?>