मेरे कुछ इनपुट फ़ील्ड php . पर पोस्ट नहीं किए जा रहे हैं

<table>
    <form name="komment" method="post" action="addComment.php">
    <tr>[Username]</tr>
        <td><input type="textarea" name="text"> </td>
        <td><input type="submit" name="submit"> </td>
        <td>Spoiler? <input type="checkbox" name="spoiler"></td>
        <input type="hidden" name="fid" value="1">
        <input type="hidden" name="username" value="[Username]">
    </form>
</table>

<?php
header("filmSingle.php");
$filmID = $_POST["fid"];
$username = $_POST["username"];
$text = $_POST["text"];
$spoiler = $_POST["spoiler"];

foreach($_POST as $key=>$value){
    echo $key."=>".$value."<br>";
}

include "dbconnection.php";
$connection = DBconnection::getInstance(DBconnection::$database_name);
$arguments = array("Spoiler"=>$spoiler, "Szoveg"=>$text, "Film_id"=>$filmID, "Felhasznalo"=>$username);
$connection->insertInto("hozzaszolas", $arguments);



exit();