Can I create, and then add values, to an existing array, using the Session Class?

Can I create, and then add values, to an existing array, using the Session Class? - Printable Version

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Can I create, and then add values, to an existing array, using the Session Class? - El Forum - 10-12-2011

[eluser]callumd[/eluser]
Eg, I'd like to be able to do the equivalent of this:

Code:
$_SESSION['some_value'][] = 'Adding a numerically indexed value to the some_value array';

** some other code **

And then this:

Code:
$_SESSION['some_value'][] = 'Adding yet another value to the some_value array';

I want to be able to add these values at any time, not all in one hit by passing a single array to the session class, eg:

Code:
$this->session->set_userdata($some_array);

Thanks.