+
+# always_field is a form field that always submits (unlike say, checkboxes). It's used to detect if the form has submitted or not.
+function find_always_field($fields) {
+ foreach($fields as $field) {
+ list($name, $type, $input, $format, $sql) = $field;
+ if($input != 'submit' && $input != 'checkbox' && $input != 'radio') {
+ return $name;
+ }
+ }
+
+ return false;
+}
+