News system script.. something wrong but cant find what

1

i made this little script from a tutorial but somehow the edit section does something wrong… and i juist cant find anything worng… can anyone maybe seee whats wrong with this?



<?

$db = "nieuws_db.txt";
$pass = "test";

$tb_area = "";


if($action == "edit" && isset($HTTP_POST_VARS['password'])) {
    if($HTTP_POST_VARS['password'] == $pass) {
        $line = $HTTP_POST_VARS['date'] . "|" . $HTTP_POST_VARS['name'];
        $line .= "|" . $HTTP_POST_VARS['news'];
        $line = str_replace("
","<BR>",$line);
        $line .= "
";
        $data = file($db);
        $data[$id] = $line;

        reset($data);

        $fp = fopen($db,'w');
        foreach($data as $element) {
            fwrite($fp, $element);
        }
        fclose($fp);
        echo "Item Edited!<BR><BR>
";
        echo "<a href=\"$PHP_SELF\">Go Back</a>
";
        exit;
    } else {
        echo "<font class=\"error\">FOUT! paswoord!
";
        exit;
    }
}


if($action == "edit") {
    $data = file($db);
    $element = trim($data[$id]);
    $pieces = explode("|", $element);

    $news = str_replace("<BR>","
",$pieces[4]);
	

echo "<FORM ACTION=\"$PHP_SELF?action=edit\" METHOD=\"POST\" NAME=\"editform\">
";

//* Nieuws "EDIT VIEW" tabel *//
echo "<font class=\"error\">U gaat een item wijzigen, verander uw tekst, voer uw paswoord in en klik op de knop..!<BR><BR>
";
echo "<FORM ACTION=\"$PHP_SELF?action=delete\" METHOD=\"POST\" NAME=\"deleteform\">
";

echo "<table width=\"400\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\">";
echo "<tr>";
echo "<font class=\"uitleg_kop\">Kop tekst wijzigen:<br><td colspan=\"3\"><INPUT TYPE=\"text\" SIZE=\"65\" NAME=\"name\" value=\"". $pieces[2] ."\"></td>";
echo "</tr>";
echo "<td colspan=\"2\" valign=\"top\" >";

echo "<table width=\"400\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\">";
echo "<tr>";
echo "<td>"; 

//* plaatje verwijderen of wijzigen *//

if($pieces[3] != '') {
  echo "<font class=\"uitleg_kop\">Plaatje wijzigen:<br><INPUT TYPE=\"text\" SIZE=\"65\" NAME=\"name\" value=\"". $pieces[3] . "\"><BR><br>
</td>";
		  }else{
 		 	 echo "</td>";
}	

echo "</tr>";
echo "</table>";

echo "<TEXTAREA NAME=\"news\" COLS=\"80\" ROWS=\"10\">".$news."</TEXTAREA><BR><BR>
</td>";
echo "<tr>";
echo "</tr>";
echo "<tr>";
echo "<td colspan=\"3\" align=\"right\"><font class=\"news\">Ingevoer op:</font> <font class=\"news_datum\">".$pieces[0]."
</td>";
echo "</tr>";
echo "</table>";


//* Paswoord check *//
echo "Paswoord:<BR>
";
echo "<INPUT TYPE=\"password\" SIZE=\"30\" NAME=\"password\"><BR>
";
echo "<INPUT TYPE=\"hidden\" NAME=\"id\" VALUE=\"$id\">
";
echo "<INPUT TYPE=\"submit\" NAME=\"submit\" VALUE=\"Wijzig\"><BR>
";
echo "</FORM>
";

    exit;
}



if($action == "delete" && isset($HTTP_POST_VARS['password'])) {
    if($HTTP_POST_VARS['password'] == $pass) {
        $data = file($db);
        array_splice($data,$id,1);
        $fp = fopen($db,'w');
        foreach($data as $element) {
            fwrite($fp, $element);
        }
        fclose($fp);    
        echo "<font class=\"error\">Nieuws item gedelete..!<BR><BR>
";    
        echo "<a href=\"$PHP_SELF\">Terug..!</a>
";
        exit;
    } else {
        echo "<font class=\"error\">FOUT! paswoord!
";
        exit;
    }
}



if($action == "delete") {
    $data = file($db);
    $element = trim($data[$id]);
    $pieces = explode("|", $element);
	

//* Nieuws "DELETE VIEW" tabel *//
echo "<font class=\"error\">U gaat een item deleten, voer uw paswoord in en klik op de knop..!<BR>
";
echo "<FORM ACTION=\"$PHP_SELF?action=delete\" METHOD=\"POST\" NAME=\"deleteform\">
";

echo "<table width=\"400\" cellspacing=\"2\" cellpadding=\"2\" border=\"0\">";
echo "<tr>";
echo "<td colspan=\"3\"><font class=\"news_kop\">". $pieces[2] ."</td>";
echo "</tr>";
echo "<td colspan=\"2\" valign=\"top\" >";

echo "<table width=\"400\" cellspacing=\"2\" cellpadding=\"2\" border=\"0\">";
echo "<tr>";
echo "<td>"; 

//* plaatje verwijderen of wijzigen *//

if($pieces[3] != '') {
  echo "<font class=\"news_datum\">". $pieces[3] . "</td>";
		  }else{
 		 	 echo "</td>";
}	

echo "</tr>";
echo "</table>";

echo "<font class=\"news\">". $pieces[4] ."</td>";
echo "<tr>";
echo "</tr>";
echo "<tr>";
echo "<td colspan=\"3\" align=\"right\"><font class=\"news\">Ingevoer op: <font class=\"news_datum\">". $pieces[0] ."</td>";
echo "</tr>";
echo "</table>";


//* Paswoord check *//
echo "Paswoord:<BR>
";
echo "<INPUT TYPE=\"password\" SIZE=\"30\" NAME=\"password\"><BR>
";
echo "<INPUT TYPE=\"hidden\" NAME=\"id\" VALUE=\"$id\">
";
echo "<INPUT TYPE=\"submit\" NAME=\"submit\" VALUE=\"Verwijder\"><BR>
";
echo "</FORM>
";

    exit;
}



echo "<font class=\"kop\">Laatste ingevoerde nieuws.</font><br><br>
";

$data = file($db);

foreach($data as $key=>$element) {
    $element = trim($element);
    $pieces = explode("|", $element);


//* Nieuws "VIEW" tabel *//
echo "<table width=\"400\" cellspacing=\"2\" cellpadding=\"2\" border=\"0\">";
echo "<tr>";
echo "<td colspan=\"3\"><font class=\"news_kop\">". $pieces[2] ."</td>";
echo "</tr>";
echo "<td colspan=\"2\" valign=\"top\" >";

echo "<font class=\"news\">". $pieces[4] ."</td>";
echo "<tr>";
echo "</tr>";
echo "<tr>";
echo "<td colspan=\"3\" align=\"right\"><font class=\"news\">Ingevoer op: <font class=\"news_datum\">". $pieces[0] ."</td>";
echo "</tr>";
echo "</table>";


//* EDIT en VERWIJDER knoppen *//   
echo "<a href=\"$PHP_SELF?action=delete&id=$key\" class=\"deledit\">Verwijderen</a>
";
echo "<a href=\"$PHP_SELF?action=edit&id=$key\" class=\"deledit\">Wijzigen</a>
";
echo "<br><br><br>
";
}
?>

My best gess is that the edit section of this scrpit screwsup the . Pieces[?] . but i can be wrong…