How can I convert an ArrayData object into a normal PHP array?
I have a function that outputs an ArrayData object so that I can display it in a template, but I also have another function that needs to iterate through the array and check it's values with another array, this I cannot do unless the ArrayData is changed into a normal array.
Ah interesting, you can set the array(), but no methods in ArrayData to get the raw array back out, doesn't appear like its possible to simply get an array. You can however loop over the ArrayData object using the Viewable Iterator (http://api.silverstripe.org/2.4/sapphire/view/ViewableData.html#methodgetIterator). Haven't used that too much.
I've added a getArray() to ArrayData to make something like this easier. See http://open.silverstripe.org/changeset/108012
You can either apply that change to your copy of SS, download the latest 2.4 version from svn (daily builds tomorrow) or wait till 2.4.1