Craft\FormBuilder2_FieldService::getFields PHP Method

    public function getFields()
    {
        $fields = craft()->fields->getAllFields();
        $output = array();
        foreach ($fields as $field) {
            $output[(int) $field->id] = array('id' => (int) $field->id, 'handle' => $field->handle, 'name' => $field->name, 'instructions' => $field->instructions);
        }
        return $output;
    }