用变量删除表中的tr

Question

I am trying to find a function to delete an entire tr in my table and together delete also the according $variable = $_POST['variable']; and $variable = "' . $variable . '"; in my pagescript.

<?php
    require_once('common.php');
    checkUser();
    $page = 'traumato';
    include('header.php');
    ?>
    <?php
    include('vervaldata.php');
    if (isset($_POST['submit']))
            {
    // variabelen
    // REK A1
    $SPIRAALBLAD_HEUP = $_POST['SPIRAALBLAD_HEUP'];
    $DENSIPROBE_PFNA = $_POST['DENSIPROBE_PFNA'];
    $PFNA_BAK1 = $_POST['PFNA_BAK1'];
    $DFN_INSTR = $_POST['DFN_INSTR'];
    $DFN_IMPL = $_POST['DFN_IMPL'];
    // herschrijven             

    $fh = fopen('./vervaldata.php', 'w');
    fwrite($fh, '<?php 
    // REK A1
    $SPIRAALBLAD_HEUP = "' . $SPIRAALBLAD_HEUP . '";
    $DENSIPROBE_PFNA = "' . $DENSIPROBE_PFNA . '";
    $PFNA_BAK1 = "' . $PFNA_BAK1 . '";
    $DFN_INSTR = "' . $DFN_INSTR . '";
    $DFN_IMPL = "' . $DFN_IMPL . '";
    ?>');
    fclose($fh);
    // opslagen
    echo '<fieldset><p class="alert-box success"><span>Geslaagd: </span> Vervaldata werden aangepast!</p><meta HTTP-EQUIV="REFRESH" content="2; url=traumato.php"></fieldset>';}
    ?>


    <fieldset><form action="./traumato.php" method="post">
    <div class="alert-box2 box3"><b>VERVALDATA BERGING 2</b></div>
    <button class="save" type="submit" name="submit" value=" ">BEWAREN <img src="images/save.bmp"></button> <span class="tab"><img src="images/vervallen.bmp"> Reeds vervallen <img src="images/duewarn.png"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="images/vervallenwar.bmp"> Vervalt binnen 2 weken <img src="images/timewarn.png"></span>
    <table class="tablesorter" id="my-table" border="1" style="border-collapse:collapse">
            <thead>
                <tr>
                    <th>REK</th>
                    <th>BESCHRIJVING</th>
                    <th>VERVALDATUM</th>
                      <th>BEWERKEN</th>
                </tr>
            </thead>
            <tbody>
    <tr><td>A1</td><td>SPIRAALBLAD HEUP</td><td><?php echo $SPIRAALBLAD_HEUP; ?></td><td><input type="text" id="a11" class="datepicker" name="SPIRAALBLAD_HEUP" value="<?php echo $SPIRAALBLAD_HEUP; ?>"> &nbsp;&nbsp;&nbsp;&nbsp;<button  class="savelink" type="submit" name="submit" value=" "><img src="images/save2.png"></button></td></tr>

    <tr><td>A1</td><td>DENSIPROBE PFNA</td><td><?php echo $DENSIPROBE_PFNA; ?></td><td><input type="text" id="a12" class="datepicker" name="DENSIPROBE_PFNA" value="<?php echo $DENSIPROBE_PFNA; ?>"> &nbsp;&nbsp;&nbsp;&nbsp;<button  class="savelink" type="submit" name="submit" value=" "><img src="images/save2.png"></button></td></tr>

    <tr><td>A1</td><td>PFNA BAK 1/BAK 2</td><td><?php echo $PFNA_BAK1; ?></td><td><input type="text" id="a13" class="datepicker"  name="PFNA_BAK1" value="<?php echo $PFNA_BAK1; ?>"> &nbsp;&nbsp;&nbsp;&nbsp;<button  class="savelink" type="submit" name="submit" value=" "><img src="images/save2.png"></button></td></tr>

    <tr><td>A1</td><td>DNF INSTRUMENTEN</td><td><?php echo $DFN_INSTR; ?></td><td><input type="text" id="a14" class="datepicker"  name="DFN_INSTR" value="<?php echo $DFN_INSTR; ?>"> &nbsp;&nbsp;&nbsp;&nbsp;<button  class="savelink" type="submit" name="submit" value=" "><img src="images/save2.png"></button></td></tr>

    <tr><td>A1</td><td>DFN IMPLANTATEN</td><td><?php echo $DFN_IMPL; ?></td><td><input type="text" id="a15" class="datepicker"  name="DFN_IMPL" value="<?php echo $DFN_IMPL; ?>"> &nbsp;&nbsp;&nbsp;&nbsp;<button  class="savelink" type="submit" name="submit" value=" "><img src="images/save2.png"></button></td></tr>

            </tbody>
        </table>
    </form>
    </fieldset>
    </body>
    </html>

I can delete a tr from the table but i want also the variables out of my script. I don now if this is possible??

thx in advance.

Answer 1

You can do something like this:

if( !isset($remove_SPIRAALBLAD_HEUP)){ echo '<tr><td>A1</td><td>SPIRAALBLAD HEUP</td><td>'.$SPIRAALBLAD_HEUP.'</td><td><button></button></td></tr>'; }

Now if you give $remove_SPIRAALBLAD_HEUP any false, like true, that line will not be put on the screen.

---

Also, DONT WRITE PHP TO FILES! That creates major risks and the usebility is crap. Just write the data to the file (or database) and next time you need it, import it again. You might want to try serialize() or json_encode() for the data.