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[eluser]flaky[/eluser]
Have you considered flashdata ?
http://ellislab.com/codeigniter/user-gui...sions.html

Flashdata

CodeIgniter supports "flashdata", or session data that will only be available for the next server request, and are then automatically cleared. These can be very useful, and are typically used for informational or status messages (for example: "record 2 deleted").

Note: Flash variables are prefaced with "flash_" so avoid this prefix in your own session names.

To add flashdata:

Code:

$this->session->set_flashdata('item', 'value');

You can also pass an array to set_flashdata(), in the same manner as set_userdata().

To read a flashdata variable:

Code:

$this->session->flashdata('item');

If you find that you need to preserve a flashdata variable through an additional request, you can do so using the keep_flashdata() function.

Code:

$this->session->keep_flashdata('item');