<?php
$uname = "root";
$pass = "root";
$host = "localhost";
$dbname = "kontaktform";

$username = $_POST['Namn'];
$email = $_POST['Emailadress'];
$comment = $_POST['inlagg'];

$connection = new mysqli($host, $uname, $pass, $dbname);

if ( $connection -> connect_error )
 {
   die (" Connection failed : ". $connection . connect_error ) ;
 }
echo " Connection worked .";

$sql = "INSERT INTO users (namn, epost, kommentar)
VALUES ('$username', '$email', '$comment')";

if ($connection ->query($sql) === TRUE) {
  echo "worked";
}
else {
  echo "try again". $sql. "<br>". $connection->error;
}
$connection->close();
?>