TRUE: collect all hidden elements into string; FALSE: process them as usual form elements
boolean $staticLabels
TRUE: instead of putting an array of labels into the
'label' element of resultant array, create
separate keys for them named 'label_$key'
where $key is the key in the array of labels (key + 1 if it is numeric).
The first element of the array occupies the 'label'
element.
