function wpshop_ajax_admin_variation_parameters()
{
    check_ajax_referer('wpshop_variation_management', 'wpshop_ajax_nonce');
    $current_post_id = isset($_POST['current_post_id']) ? wpshop_tools::varSanitizer($_POST['current_post_id']) : null;
    $output = '';
    /*	Display variation options	*/
    $options_tpl_component = array();
    $head_wpshop_variation_definition = get_post_meta($current_post_id, '_wpshop_variation_defining', true);
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_PRIORITY_SINGLE'] = empty($head_wpshop_variation_definition['options']) || empty($head_wpshop_variation_definition['options']['priority'][0]) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['priority'][0]) && $head_wpshop_variation_definition['options']['priority'][0] == 'single' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_PRIORITY_COMBINED'] = empty($head_wpshop_variation_definition['options']) || empty($head_wpshop_variation_definition['options']['priority'][0]) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['priority'][0]) && $head_wpshop_variation_definition['options']['priority'][0] == 'combined' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_BEHAVIOUR_ADDITION'] = empty($head_wpshop_variation_definition['options']) || empty($head_wpshop_variation_definition['options']['price_behaviour'][0]) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['price_behaviour'][0]) && $head_wpshop_variation_definition['options']['price_behaviour'][0] == 'addition' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_BEHAVIOUR_REPLACEMENT'] = empty($head_wpshop_variation_definition['options']) || empty($head_wpshop_variation_definition['options']['price_behaviour'][0]) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['price_behaviour'][0]) && $head_wpshop_variation_definition['options']['price_behaviour'][0] == 'replacement' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_PRICE_DISPLAY_TEXT_FROM'] = empty($head_wpshop_variation_definition['options']) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['price_display']['text_from']) && $head_wpshop_variation_definition['options']['price_display']['text_from'] == 'on' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_OPTIONS_SELECTED_PRICE_DISPLAY_LOWER_PRICE'] = empty($head_wpshop_variation_definition['options']) || !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['price_display']['lower_price']) && $head_wpshop_variation_definition['options']['price_display']['lower_price'] == 'on' ? ' checked="checked"' : '';
    $options_tpl_component['ADMIN_VARIATION_PARAMETERS_FORM_HEAD_PRODUCT_ID'] = $current_post_id;
    $options_tpl_component['ADMIN_VARIATION_PARAMETERS_FORM_HEAD_NOUNCE'] = wp_create_nonce("wpshop_variation_parameters");
    $options_tpl_component['ADMIN_MORE_OPTIONS_FOR_VARIATIONS'] = '';
    $attribute_list_for_variations = wpshop_attributes::get_variation_available_attribute($current_post_id);
    $default_value_for_attributes = $required_attributes = '';
    $attribute_user_defined = wpshop_attributes::get_attribute_user_defined(array('entity_type_id' => get_post_type($current_post_id)));
    if (!empty($attribute_user_defined)) {
        foreach ($attribute_user_defined as $attribute_def) {
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_LABEL_STATE'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_LABEL_EXPLAINATION'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_CODE'] = $attribute_def->code;
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_NAME'] = $attribute_def->code;
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_LABEL'] = __($attribute_def->frontend_label, 'wpshop');
            $tpl_component['ADMIN_VARIATIONS_DEF_LIST_ATTRIBUTE_CONTAINER_CLASS'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_LIST_ATTRIBUTE_CHECKBOX_STATE'] = !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['required_attributes']) && in_array($attribute_def->code, $head_wpshop_variation_definition['options']['required_attributes']) ? ' checked="checked"' : '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_ID'] = 'required_' . $attribute_def->code;
            $required_attributes .= str_replace('wpshop_attribute_to_use_for_variation', 'wps_pdt_variations[options][required_attributes]', str_replace('variation_attribute_usable', 'variation_attribute_required', wpshop_display::display_template_element('wpshop_admin_attribute_for_variation_item', $tpl_component, array(), 'admin')));
        }
    }
    if (!empty($attribute_list_for_variations['available'])) {
        $head_wpshop_variation_definition = get_post_meta($current_post_id, '_wpshop_variation_defining', true);
        foreach ($attribute_list_for_variations['available'] as $attribute_code => $attribute_definition) {
            /** Default value for attribute	*/
            $tpl_component = array();
            $tpl_component['ADMIN_VARIATIONS_DEF_LIST_ATTRIBUTE_CONTAINER_CLASS'] = ' variation_attribute_container_default_value_' . $attribute_code;
            $attribute_for_default_value = wpshop_attributes::get_attribute_field_definition($attribute_definition['attribute_complete_def'], is_array($head_wpshop_variation_definition) && isset($head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code]) ? $head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code] : 'none', array('from' => 'frontend', 'field_custom_name_prefix' => 'empty'));
            switch ($attribute_for_default_value['type']) {
                case 'select':
                case 'multiple-select':
                case 'radio':
                case 'checkbox':
                    $attribute_for_default_value['type'] = 'select';
                    break;
                default:
                    $attribute_for_default_value['type'] = 'text';
                    break;
            }
            if (!empty($attribute_for_default_value['possible_value'])) {
                $attribute_for_default_value['possible_value']['none'] = __('No default value', 'wpshop');
                foreach ($attribute_for_default_value['possible_value'] as $value_id => $value) {
                    if (!empty($value_id) && $value_id != 'none' && !in_array($value_id, $attribute_definition['values'])) {
                        unset($attribute_for_default_value['possible_value'][$value_id]);
                    }
                }
                ksort($attribute_for_default_value['possible_value']);
                $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_ID'] = $attribute_for_default_value['id'];
                $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_DEFAULT_VALUE_LABEL'] = sprintf(__('Default value for %s', 'wpshop'), $attribute_for_default_value['label']);
                $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_DEFAULT_VALUE_INPUT'] = wpshop_form::check_input_type($attribute_for_default_value, 'wps_pdt_variations[options][attributes_default_value]');
                $default_value_for_attributes .= wpshop_display::display_template_element('wpshop_admin_attribute_for_variation_item_for_default', $tpl_component, array(), 'admin');
            }
            /** Required attribute for variations	*/
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_LABEL_STATE'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_LABEL_EXPLAINATION'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_CODE'] = $attribute_code;
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_NAME'] = $attribute_code;
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_LABEL'] = __($attribute_definition['label'], 'wpshop');
            $tpl_component['ADMIN_VARIATIONS_DEF_LIST_ATTRIBUTE_CONTAINER_CLASS'] = '';
            $tpl_component['ADMIN_VARIATIONS_DEF_LIST_ATTRIBUTE_CHECKBOX_STATE'] = !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['required_attributes']) && in_array($attribute_code, $head_wpshop_variation_definition['options']['required_attributes']) ? ' checked="checked"' : '';
            $tpl_component['ADMIN_VARIATIONS_DEF_ATTRIBUTE_TO_USE_ID'] = 'required_' . $attribute_code;
            $required_attributes .= str_replace('wpshop_attribute_to_use_for_variation', 'wps_pdt_variations[options][required_attributes]', str_replace('variation_attribute_usable', 'variation_attribute_required', wpshop_display::display_template_element('wpshop_admin_attribute_for_variation_item', $tpl_component, array(), 'admin')));
        }
        $options_tpl_component['ADMIN_MORE_OPTIONS_FOR_VARIATIONS'] .= !empty($required_attributes) ? wpshop_display::display_template_element('wpshop_admin_variation_options_required_attribute_container', array('ADMIN_VARIATION_OPTIONS_REQUIRED_ATTRIBUTE' => $required_attributes), array(), 'admin') : '';
        $options_tpl_component['ADMIN_MORE_OPTIONS_FOR_VARIATIONS'] .= !empty($default_value_for_attributes) ? wpshop_display::display_template_element('wpshop_admin_variation_options_default_value_container', array('ADMIN_VARIATION_OPTIONS_ATTRIBUTE_DEFAULT_VALUE' => $default_value_for_attributes), array(), 'admin') : '';
    }
    $output .= wpshop_display::display_template_element('wpshop_admin_variation_options_container', $options_tpl_component, array(), 'admin');
    unset($options_tpl_component);
    echo $output;
    die;
}
 /**
  * Retrieve and display the variation for a given product
  * @param integer $product_id The product identifier to get variation for
  */
 public static function wpshop_variation($post_id = '', $from_admin = false, $order_id = '', $qty = 1)
 {
     global $wp_query;
     $output = '';
     $product_id = empty($post_id) ? $wp_query->post->ID : $post_id;
     $wpshop_product_attributes_frontend_display = get_post_meta($product_id, '_wpshop_product_attributes_frontend_display', true);
     $head_wpshop_variation_definition = get_post_meta($product_id, '_wpshop_variation_defining', true);
     /**	Get attribute order for current product	*/
     $product_attribute_order_detail = wpshop_attributes_set::getAttributeSetDetails(get_post_meta($product_id, WPSHOP_PRODUCT_ATTRIBUTE_SET_ID_META_KEY, true));
     $output_order = array();
     if (count($product_attribute_order_detail) > 0) {
         if (!empty($product_attribute_order_detail)) {
             foreach ($product_attribute_order_detail as $product_attr_group_id => $product_attr_group_detail) {
                 foreach ($product_attr_group_detail['attribut'] as $position => $attribute_def) {
                     if (!empty($attribute_def->code)) {
                         $output_order[$attribute_def->code] = $position;
                     }
                 }
             }
         }
     }
     $variations_params = array();
     $variation_attribute = array();
     $variation_attribute_ordered = array();
     $possible_values = array();
     $possible_values_for_selection_calculation = array();
     /*	Vérification de l'existence de déclinaison pour le produit	*/
     $wpshop_variation_list = self::get_variation($product_id);
     if (!empty($wpshop_variation_list)) {
         foreach ($wpshop_variation_list as $variation) {
             if (!empty($variation['variation_def'])) {
                 $display_option = get_post_meta($post_id, '_wpshop_product_attributes_frontend_display', true);
                 foreach ($variation['variation_def'] as $attribute_code => $attribute_value) {
                     if (empty($display_option) || !empty($display_option['attribute']) && !empty($display_option['attribute'][$attribute_code]) && !empty($display_option['attribute'][$attribute_code]['complete_sheet'])) {
                         $tpl_component = array();
                         $attribute_db_definition = wpshop_attributes::getElement($attribute_code, "'valid'", 'code');
                         $default_value_is_serial = false;
                         $attribute_list_first_element = $attribute_db_definition->default_value;
                         if (!empty($attribute_db_definition->default_value) && ($attribute_db_definition->default_value == serialize(false) || @unserialize($attribute_db_definition->default_value) !== false)) {
                             $default_value_is_serial = true;
                             $tmp_default_value = unserialize($attribute_db_definition->default_value);
                             $attribute_list_first_element = !empty($tmp_default_value['field_options']['label_for_first_item']) ? $tmp_default_value['field_options']['label_for_first_item'] : null;
                         }
                         if ($default_value_is_serial && !empty($attribute_list_first_element) && $attribute_list_first_element != 'none') {
                             $possible_values[$attribute_code][0][0] = $default_value_is_serial && !empty($attribute_list_first_element) && $attribute_list_first_element != 'none' ? stripslashes(sprintf($attribute_list_first_element, strtolower($attribute_db_definition->frontend_label))) : __('Choose a value', 'wpshop');
                         }
                         if (!empty($attribute_value) && $attribute_db_definition->data_type_to_use == 'custom') {
                             $tpl_component['VARIATION_VALUE'] = stripslashes(wpshop_attributes::get_attribute_type_select_option_info($attribute_value, 'label', 'custom'));
                             $position = wpshop_attributes::get_attribute_type_select_option_info($attribute_value, 'position', 'custom');
                         } else {
                             if (!empty($attribute_value) && $attribute_db_definition->data_type_to_use == 'internal') {
                                 $post_def = get_post($attribute_value);
                                 $tpl_component['VARIATION_VALUE'] = stripslashes($post_def->post_title);
                                 $position = $post_def->menu_order;
                             }
                         }
                         if (!empty($variation['variation_dif'])) {
                             foreach ($variation['variation_dif'] as $attribute_dif_code => $attribute_dif_value) {
                                 $wpshop_prices_attributes = unserialize(WPSHOP_ATTRIBUTE_PRICES);
                                 $the_value = $attribute_dif_value;
                                 if (in_array($attribute_dif_code, $wpshop_prices_attributes)) {
                                     $the_value = wpshop_display::format_field_output('wpshop_product_price', $attribute_dif_value);
                                 }
                                 $tpl_component['VARIATION_DIF_' . strtoupper($attribute_dif_code)] = stripslashes($the_value);
                             }
                         }
                         if (!empty($attribute_value)) {
                             $possible_values[$attribute_code][$position][$attribute_value] = wpshop_display::display_template_element('product_variation_item_possible_values', $tpl_component, array('type' => 'attribute_for_variation', 'id' => $attribute_code));
                             $possible_values_for_selection_calculation[$attribute_code][$attribute_value] = $tpl_component['VARIATION_VALUE'];
                         }
                         unset($tpl_component);
                     }
                 }
             }
         }
         $variation_tpl = array();
         if (!empty($head_wpshop_variation_definition['attributes'])) {
             foreach ($head_wpshop_variation_definition['attributes'] as $attribute_code) {
                 $attribute_db_definition = wpshop_attributes::getElement($attribute_code, "'valid'", 'code');
                 if (!empty($attribute_db_definition)) {
                     $attribute_display_state = wpshop_attributes::check_attribute_display($attribute_db_definition->is_visible_in_front, $wpshop_product_attributes_frontend_display, 'attribute', $attribute_code, 'complete_sheet');
                     $is_required = !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['required_attributes']) && in_array($attribute_code, $head_wpshop_variation_definition['options']['required_attributes']) ? true : false;
                     if (!$is_required && $attribute_db_definition->is_required == 'yes') {
                         $is_required = true;
                     }
                     $input_def = array();
                     $input_def['type'] = $attribute_db_definition->frontend_input;
                     $value = isset($head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code]) ? $head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code] : (!empty($attribute_db_definition->default_value) ? $attribute_db_definition->default_value : null);
                     if (in_array($attribute_db_definition->frontend_input, array('radio', 'checkbox'))) {
                         unset($possible_values[$attribute_code][0]);
                         $value = array($value);
                     }
                     $input_def['id'] = 'wpshop_variation_attr_' . $attribute_code;
                     $input_def['name'] = $attribute_code;
                     $real_possible_values = array();
                     if (!empty($possible_values[$attribute_code])) {
                         ksort($possible_values[$attribute_code]);
                         foreach ($possible_values[$attribute_code] as $position => $def) {
                             foreach ($def as $attribute_value => $attribute_value_output) {
                                 $real_possible_values[$attribute_value] = $attribute_value_output;
                             }
                         }
                     }
                     $input_def['possible_value'] = $real_possible_values;
                     $input_def['valueToPut'] = 'index';
                     $input_def['value'] = $value;
                     $input_def['options']['more_input'] = '';
                     if (!empty($possible_values_for_selection_calculation[$attribute_code])) {
                         foreach ($possible_values_for_selection_calculation[$attribute_code] as $value_id => $value) {
                             $input_def['options']['more_input'] .= '<input type="hidden" disabled="disabled" value="' . str_replace("\\", "", $value) . '" name="' . $input_def['id'] . '_current_value" id="' . $input_def['id'] . '_current_value_' . $value_id . '" />';
                         }
                     }
                     $input_def['options_label']['original'] = true;
                     $input_def['option'] = ' class="wpshop_variation_selector_input' . ($is_required ? ' attribute_is_required_input attribute_is_required_input_' . $attribute_code . ' ' : '') . ($attribute_db_definition->_display_informations_about_value == 'yes' ? ' wpshop_display_information_about_value' : '') . ' ' . (is_admin() ? $attribute_db_definition->backend_css_class : $attribute_db_definition->frontend_css_class) . '" ';
                     if (!empty($real_possible_values)) {
                         $tpl_component = array();
                         $attribute_output_def['value'] = isset($head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code]) ? $head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_code] : $input_def['value'];
                         $tpl_component['VARIATION_INPUT'] = wpshop_form::check_input_type($input_def, WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT_VARIATION) . $input_def['options']['more_input'];
                         $tpl_component['VARIATION_LABEL'] = $is_required ? '<span class="attribute_is_required attribute_is_required_' . $attribute_code . '" >' . stripslashes($attribute_db_definition->frontend_label) . '</span> <span class="required" >*</span>' : stripslashes($attribute_db_definition->frontend_label);
                         $tpl_component['VARIATION_CODE'] = $attribute_code;
                         $tpl_component['VARIATION_LABEL_HELPER'] = !empty($attribute_db_definition->frontend_help_message) ? ' title="' . $attribute_db_definition->frontend_help_message . '" ' : '';
                         $tpl_component['VARIATION_LABEL_CLASS'] = !empty($attribute_db_definition->frontend_help_message) ? ' wpshop_att_variation_helper' : '';
                         $tpl_component['VARIATION_IDENTIFIER'] = $input_def['id'];
                         $tpl_component['VARIATION_PARENT_ID'] = $product_id;
                         $tpl_component['VARIATION_PARENT_TYPE'] = WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT;
                         $tpl_component['VARIATION_CONTAINER_CLASS'] = ($is_required ? ' attribute_is_required_container attribute_is_required_container_' . $attribute_code : '') . ' wpshop_variation_' . $attribute_code . ' wpshop_variation_' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT . ' wpshop_variation_' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT . '_' . $product_id;
                         $tpl_component['VARIATION_REQUIRED_INDICATION'] = $is_required ? __('Required variation', 'wpshop') : '';
                         $variation_tpl['VARIATION_COMPLETE_OUTPUT_' . strtoupper($attribute_code)] = wpshop_display::display_template_element('product_variation_item', $tpl_component);
                         $variation_attribute_ordered[$output_order[$attribute_code]] = $variation_tpl['VARIATION_COMPLETE_OUTPUT_' . strtoupper($attribute_code)];
                     }
                     $variation_attribute[] = $attribute_code;
                 }
             }
         }
     }
     $variation_tpl['VARIATION_FORM_ELEMENT_ID'] = $product_id;
     wp_reset_query();
     $attribute_defined_to_be_user_defined = wpshop_attributes::get_attribute_user_defined(array('entity_type_id' => self::currentPageCode));
     if (!empty($attribute_defined_to_be_user_defined)) {
         foreach ($attribute_defined_to_be_user_defined as $attribute_not_in_variation_but_user_defined) {
             $is_required = !empty($head_wpshop_variation_definition['options']) && !empty($head_wpshop_variation_definition['options']['required_attributes']) && in_array($attribute_not_in_variation_but_user_defined->code, $head_wpshop_variation_definition['options']['required_attributes']) || $attribute_not_in_variation_but_user_defined->is_required == 'yes' ? true : false;
             $attribute_display_state = wpshop_attributes::check_attribute_display($attribute_not_in_variation_but_user_defined->is_visible_in_front, $wpshop_product_attributes_frontend_display, 'attribute', $attribute_not_in_variation_but_user_defined->code, 'complete_sheet');
             if ($attribute_display_state && array_key_exists($attribute_not_in_variation_but_user_defined->code, $output_order) && !in_array($attribute_not_in_variation_but_user_defined->code, $variation_attribute) && $attribute_not_in_variation_but_user_defined->is_used_for_variation == 'no') {
                 $attribute_output_def = wpshop_attributes::get_attribute_field_definition($attribute_not_in_variation_but_user_defined, is_array($head_wpshop_variation_definition) && isset($head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_not_in_variation_but_user_defined->code]) ? $head_wpshop_variation_definition['options']['attributes_default_value'][$attribute_not_in_variation_but_user_defined->code] : null);
                 $tpl_component = array();
                 $attribute_output_def['option'] = ' class="wpshop_variation_selector_input' . ($is_required ? ' attribute_is_required_input attribute_is_required_input_' . $attribute_not_in_variation_but_user_defined->code : '') . ' ' . str_replace('"', '', str_replace('class="', '', $attribute_output_def['option'])) . ' ' . (is_admin() ? $attribute_not_in_variation_but_user_defined->backend_css_class : $attribute_not_in_variation_but_user_defined->frontend_css_class) . '" ';
                 $tpl_component['VARIATION_INPUT'] = wpshop_form::check_input_type($attribute_output_def, WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT_VARIATION . '[free]') . $attribute_output_def['options'];
                 $tpl_component['VARIATION_LABEL'] = $is_required ? '<span class="attribute_is_required attribute_is_required_' . $attribute_not_in_variation_but_user_defined->code . '" >' . stripslashes($attribute_not_in_variation_but_user_defined->frontend_label) . '</span> <span class="required" >*</span>' : stripslashes($attribute_not_in_variation_but_user_defined->frontend_label);
                 $tpl_component['VARIATION_CODE'] = $attribute_not_in_variation_but_user_defined->code;
                 $tpl_component['VARIATION_LABEL_HELPER'] = !empty($attribute_not_in_variation_but_user_defined->frontend_help_message) ? ' title="' . $attribute_not_in_variation_but_user_defined->frontend_help_message . '" ' : '';
                 $tpl_component['VARIATION_LABEL_CLASS'] = !empty($attribute_not_in_variation_but_user_defined->frontend_help_message) ? ' wpshop_att_variation_helper' : '';
                 $tpl_component['VARIATION_REQUIRED_INDICATION'] = $is_required ? __('Required variation', 'wpshop') : '';
                 $tpl_component['VARIATION_IDENTIFIER'] = $attribute_output_def['id'];
                 $tpl_component['VARIATION_PARENT_ID'] = $product_id;
                 $tpl_component['VARIATION_PARENT_TYPE'] = WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT;
                 $tpl_component['VARIATION_CONTAINER_CLASS'] = ($is_required ? ' attribute_is_required_container attribute_is_required_container_' . $attribute_not_in_variation_but_user_defined->code : '') . ' wpshop_variation_' . $attribute_not_in_variation_but_user_defined->code . ' wpshop_variation_' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT . ' wpshop_variation_' . WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT . '_' . $product_id;
                 $variation_tpl['VARIATION_COMPLETE_OUTPUT_' . strtoupper($attribute_not_in_variation_but_user_defined->code)] = $attribute_output_def['type'] != 'hidden' ? wpshop_display::display_template_element('product_variation_item', $tpl_component) : wpshop_form::check_input_type($attribute_output_def, WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT_VARIATION . '[free]') . $attribute_output_def['options'];
                 $variation_attribute_ordered[$output_order[$attribute_not_in_variation_but_user_defined->code]] = $variation_tpl['VARIATION_COMPLETE_OUTPUT_' . strtoupper($attribute_not_in_variation_but_user_defined->code)];
             }
         }
     }
     $variation_tpl['VARIATION_FORM_VARIATION_LIST'] = '';
     if (!empty($variation_attribute_ordered) && is_array($variation_attribute_ordered)) {
         ksort($variation_attribute_ordered);
         foreach ($variation_attribute_ordered as $attribute_variation_to_output) {
             $variation_tpl['VARIATION_FORM_VARIATION_LIST'] .= $attribute_variation_to_output;
         }
     }
     $variation_tpl['FROM_ADMIN_INDICATOR'] = $variation_tpl['ORDER_ID_INDICATOR'] = '';
     $variation_tpl['PRODUCT_ADDED_TO_CART_QTY'] = !empty($qty) ? $qty : 1;
     if ($from_admin && !empty($order_id)) {
         $variation_tpl['FROM_ADMIN_INDICATOR'] = '<input type="hidden" name="wps_orders_from_admin" value="1" />';
         $variation_tpl['ORDER_ID_INDICATOR'] = '<input type="hidden" name="wps_orders_order_id" value="' . $order_id . '" />';
     }
     $output = !empty($variation_tpl['VARIATION_FORM_VARIATION_LIST']) ? wpshop_display::display_template_element('product_variation_form', $variation_tpl) : '';
     return $output;
 }