PHP image in session

[kiq]

Hi, I am wondering if there is a way to do either of the following with PHP:

1. Dynamically generate an image from an uploaded one without saving the uploaded file. ie. Using $_files[file][temp_name] as the source file

or

2. Delete an image file when a session ends or store and display an image as part of a session

I've not had much luck googling this so any help greatly appreciated

[steve0]

If the user is uploading an image..
use the uploaded image for the duration of the visit

.. then 'unlink' the file when it is no longer needed.
use the full path to the file
unlink("/usr/vhost/some/image/dir/filename.jpg")

Also.. be sure the directory has correct permissions.

[mikesmith76]

Could you please expand on what you are looking to do? You can use PHP to create things like thumbnails from uploaded images, is this what you have in mind?

Just one comment though

2. Delete an image file when a session ends

This would probably require the use of a cron job to clean up old images off the server. This is because a user could close the browser without going through your logout / exit pages.