I made a image validation code, wich generate a image every time the
user enters a page.
The name of the image uses the session id, and I save it in a
temporary directory.
When the user close the browser (or leave the site) I would have to
delete the image (or else I will start to have many garbage images in
the temp directory).
Is there any way to do that? From PHP?
http://uk.php.net/manual/en/function.register-shutdown-function.php
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