Ok, a picture says a thousand words. Take a look at the image - specifically, the content section.
On the left is what I get when I create a new php evaluation direct page.
On the right (I inserted the content piece into this image) take a look at the content section. This is what see when I open that same page up again - notice the new acquired "&" tags. Those are the '&' from the originally saved file (see the left side). Every time I save and re-open this CMS page I get more and more of the '&' tags (i.e. &

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Anyone know how to fix this?