Untitled

<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
<?php        $afdnr = 0;
       if(!empty($_GET["verzenden"])){
           $afdnr = $_GET["afdnr"];
       }
//
//       $nrRows = $stmt->rowCount();
//       if($nrRows = 0){
//       print"Helaas is er nu geen record.";}

?>

        <form method="get">
          Afdelingnr:  <input type="text" name="afdnr" value="<?php print$afdnr;?>">
            <input type="submit" name="verzenden" value="Verzenden">
            <br/>
            <br/>
  <?php

       $db ="mysql:host=localhost;dbname=cursus;port=3307";
       $user ="root";
       $pass = "usbw";
       $pdo = new PDO($db, $user, $pass);


//       $afdnr = $_GET["afdnr"];

       $stmt = $pdo->prepare("SELECT * FROM medewerker where afd = ?");
       $stmt->execute(array($afdnr));

       while ($row = $stmt->fetch())
       {
           $naam = $row["naam"];
           $functie = $row["functie"];
           print($naam .", ". $functie ."<br>");
       }

       $pdo = NULL;

       ?>


        </form>
    </body>
</html>