Untitled

<!DOCTYPE html>
<?php
$host = "localhost";
$username = "root";
$password = "";
$baza = "lab11";

$conn = @new mysqli($host, $username, $password, $baza);
if ($conn->connect_error) {
    die('wystapil blad podczas laczenia: ' . $conn->connect_errno);
}
$conn->query("set names utf8");
?>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Dodaj nowy post</title>
</head>
<body>

<form method="post" action="insertPost.php">
  Tytuł: <input title="Tytuł" name="title" type="text"/><br/>
  Kategoria:
  <select title="Kategoria" name="cat">
      <?php
      $sql = "select * from kategorie";
      $result = $conn->query($sql);
      while ($row = $result->fetch_assoc()):?>
          <option value="<?=$row['id']?>"><?=$row['nazwa']?></option>
          <?php
      endwhile;
      ?>
  </select><br/>
  Treść: <br/><textarea title="Tresc" cols="100" rows="10" name="content"></textarea><br/>
  <input type="submit" value="Wyslij"><br/>
</form>

</body>
</html>
<?php
$conn->close();
?>