I was trying to ask why I get an Undefined index and if I could enhance this kind of databaseless logic to upload images to a simple CSS/lightbox gallery (not Smooth Gallery).

I’m now building my own gallery backend using the same logic, but with few variations:
It´s just a simple thumbnail gallery with lightbox effect, so I don´t need and tabs inside the placeholder, but a ‘title’ property for the captions:

// Add the new element
$temp_item=new simple_html_dom();
$temp_item->load(‘

Works fine but displays a notice when deleting an image:

Notice: Undefined index: delete-1 in
C:\wamp\www\backend_fotos\manager.php
on line 132

Notice: Undefined index: delete-2 in
C:\wamp\www\backend_fotos\manager.php
on line 132

Notice: Undefined index: delete-3 in
C:\wamp\www\backend_fotos\manager.php
on line 132
etc.

This is the mentioned line commented by you:

if ($_POST['delete-'.$i]){
// if ‘delete’ was selected, remove the node. ex: if ‘delete-2′ was
selected, then delete the second
element
$items[$i]->outertext=”;

                // store the deleted ones' positions in another array
                $deleted_positions[$j]=$i;
                $j++;

My php knowledge is poor, any help would be appreciated.

By the way, do I need a database if I want to build a backend which can upload images from the computer itself, or could I implement this databaseless logic to fit my needs?

Thank you in advance!

Best wishes, Facun.

Until then, you can use this direct link to download the archive: http://www.vileworks.com/wp-content/files/gallery_backend.zip

Cheers!

Place those two in the same folder as the gallery file.

Edit “manager.php” and modify these two variables:

$password=’demo’;

$gallery_location=’index.html’;

Hope this helps!

If you take a look at its source code you’ll see that the gallery’s HTML is very similar to the HTML of the gallery from my article. Only difference is the gallery set has multiple galleries in it.

<div id="gallerySet">
    <div id="myGallery1" class="galleryElement">
          ....
    </div>
    <div id="myGallery2" class="galleryElement">
          ....
    </div>
</div>

The above is what a gallery set looks like. My gallery (from the tut) looks like this:

<div id="myGallery" class="galleryElement">
    ....
</div>

So what you need to do is to send that gallery id (i.e. myGallery, or myGallery1, or myGallery2) to the php script in order to tell it what gallery to edit.

In short, you have to change this line:

$items = $html->find('#myGallery .imageElement')

to this:

$items = $html->find($_GET["gallery_id"] . ' .imageElement'); 

(Just to make sure, check all the apostrophes and quotes, WordPress comments may have screwed ‘em up.)

Then, when you access the php file, add at the end of its address ?gallery_id=myGallery1 or ?gallery_id=myGallery2 in order to pass it the correct parameter (I’m assuming you know how to send a value via GET).

That should work, hope it makes sense.