Using $page->fields makes it easy to output field labels and values for a page in a foreach loop, which is great when you have fields that you want to output with the same markup structure. But what if I don't want all the fields in the page, but just some of the fields, so I can use two or three different foreach loops for different markup needs. The docs say that $page->fields returns a "FieldsArray". How can I create my own FieldsArray, selecting fields by name? Or maybe filter $pa