Determines the value for form's token value.
$element: The form element whose value is being populated.
$input: The incoming input to populate the form element. If this is FALSE, the element's default value should be returned.
The data that will appear in the $element_state['values'] collection for this element. Return nothing to use the default.
function form_type_token_value($element, $input = FALSE) {
if ($input !== FALSE) {
return (string) $input;
}
}