Свойство по умолчанию

src/Form/OptionFactory.php

@@ -3,6 +3,7 @@
 class Form_OptionFactory {
     public $db;
     public $registry;
+    
     function __construct($db, $registry = null) {
         $this->db = $db;
         $this->registry = $registry;
@@ -45,6 +46,9 @@ class Form_OptionFactory {
         } else {
             $field->options = $input['options'];
         }
+        if (isset($input['default'])) {
+            array_unshift($field->options, ['value' => 0, 'name' => $input['default']]);
+        }
     }
 
     public function optionsDB($key, $val, $res) {