Pure PHP Upload Tutorials - Restrict image width
Restricting image width and height
In this tutorial we will explain how to set minimum and maximum width and height
for the uploaded images.
There are two types of image size checking:
- check on the client browser, before file is uploaded - this is done
when the files are images
- on the server, after file is uploaded - for the other file types.



How to do it
To make the file upload with restricted image size, you need to:
- Start with basic upload page
Start with an upload page where you have Pure PHP Upload on it. If
you haven't done it yet, go through the Simple
file upload tutorial.
- Open the Pure PHP Upload dialog
Select the Pure PHP Upload dialog by opening the Server Behaviors
Panel. Select DMXzone - Pure PHP Upload.
Make sure you've selected Images Only for your allowed extensions.

- Select the Allowed Image Size
When you need to restrict the size of the uploaded images, you need
to fill in the minimum and/or maximum width and height on the Advanced tab.
If you leave one of those values empty it means it is unlimited. The sizes
are in pixels.

In our example, we've chosen to limit the image size to min 50x50 and max
200x200 pixels.
- Save and done
Save your page then, upload it to your server, and you are done!
Go to your website and test it - you should be able to upload images only
that are not bigger then 200x200 pixels and minimum 50x50 pixels.


