I'm having a problem with session variables and arrays.
I'm building a multi step sign up form and I need to store all the
variable until the final step, when they are inputed to a database. I
thought the best way to do this would be to store the contents for
$HTTP_POST_VARS in session variables. This works fine for everything
except for my array of checkboxes. 

When I do a print_r($_SESSION) it displays the following for the
sessionvariable assigned to the checkboxes:
[categories] => Array (
        [0] => '1';
        [1] => '12';
... Etc ...

But when I run any sort of array function (is_array, foreach) on
$_SESSION['categories'] it appears that it is a scalar, not an array.

Any ideas?

- Ryan

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