kod

$servername = "mysql.hostinger.pl";
$username = "u528067218_kuba";
$password = "**********";
$db = "u528067218_baza";
$content = $_POST['zawartosc'];
$news = $_POST['wiadomosc'];
$autor = "Admin";
$data = "2016-01-31";
$conn = new mysqli($servername, $username, $password,$db);
$ok= false ;

session_start();
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
if((strlen($content && $news)==0))
{
    echo "Pola nie mogą byc puste";
    header('Location: admin.html');
}
else
{

$conn->query("INSERT INTO tabela VALUES('$content','$news', '$data','$autor',NULL)");
$sql = "SELECT * FROM tabela";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
    // output data of each row
        header('Location: zupdatowano.php');
    while($row = $result->fetch_assoc()) {
    echo '<table width="1000">';
    echo "<tr>";

        echo  "<td>".$row['post']."</td>";
        echo "<td>".$row['autor']."</td>";
        echo  "<td>".$row['news']."</td>";
        echo  " <td>".$row['id']."</td>";
        echo "</tr>";



    echo "</table>";
    }
} else {
    echo "Nie zwrócono zadnych rekordów";
}
$conn->close();
}