Question

I would like some help with my code. I’ve already searched answered questions on this site but haven’t found anything that works unfortunately. I’m doing a website where you can write, save, delete and update notes. Now I’m trying to fix an update button were you can change a posted note using its unique ID. The update button is on a separate page from the notes, and you choose the ID of posted notes using using a drop-down menu showing the existing IDs in my database table. You choose it, write a new note and then click update.

This is my current code:

        <li id="id_number"><label>ID number: <select name="id_number"> 
            <option value =" ">Select number</option> 
              <?php $query = "SELECT * FROM notes"; 
              $result2 = mysql_query($query); 
              while ($row = mysql_fetch_array($result2)) { 
                $id = $row ['id']; 
                $select = ""; 
                if ($id == $idID2) {
                    $select = "selected" ; 
                    } 
                ?><option <?php print $select ?> value="<?php print $id; ?>"><?php print "$id";     
                ?></option><?php 
                }  
                ?>
          </select> 
          </label></li>
        <li id="note">New note:</li>
        <li id="note"> <textarea rows="10" cols="30" name="note" value="<?php print $note;?>"/></textarea></li>
        <li id="send"><input type="submit" name="submit" value="Update!"/></li>
    </ul>
    </form>

    <?php
        $id= $_POST ['id'];
        $subject= $_POST ['subject'];
        $note= $_POST ['note'];
    ?>

    <?php
    if (isset($_POST['submit'])) {  //validates the data
            $error="0";


            if ( $note == "" ) { 
                        $error++; 
                        $wrong .= "<p> You forgot to write a new note.</p>";
            }


        if ($error > 0) {
            print "<p><strong>You have made these errors:</strong></p>";
            ?>
                <?php print $wrong; ?>


            <?php
        }


    //if no errors  

        else { 
                $note = mysql_real_escape_string($note); 
                $note = htmlspecialchars($note);
                $id = mysql_real_escape_string($id); 
                $id = htmlspecialchars($id);
                $date = date("j/n, Y, H:i");
                $query = ("UPDATE notes SET note='$note' WHERE id='$id'");
                $result = mysql_query($query) or die (mysql_error()); 
                if ($result) { 
                print "<p>Note updated!</p>";
            }
        }   
    }

    ?>

When choosing an existing ID and change the note and clicking update it says “Note updated” but the note in the database remains the same.
What am i doing wrong?

Answer 1

$id = $_POST['id']

should be

$id = $_POST['id_number']

As far as I can tell, you aren’t referring to any input with name “id”.