public static function init_features_actions()
 {
     $result_msg = '';
     if (isset($_REQUEST['bt_save_field'])) {
         $field_name = trim(strip_tags(addslashes($_REQUEST['field_name'])));
         if (isset($_REQUEST['field_id']) && $_REQUEST['field_id'] > 0) {
             $field_id = trim($_REQUEST['field_id']);
             $count_field_name = WC_Compare_Data::get_count("field_name = '" . $field_name . "' AND id != '" . $field_id . "'");
             if ($field_name != '' && $count_field_name == 0) {
                 $result = WC_Compare_Data::update_row($_REQUEST);
                 if (isset($_REQUEST['field_cats']) && count((array) $_REQUEST['field_cats']) > 0) {
                     foreach ($_REQUEST['field_cats'] as $cat_id) {
                         $check_existed = WC_Compare_Categories_Fields_Data::get_count("cat_id='" . $cat_id . "' AND field_id='" . $field_id . "'");
                         if ($check_existed == 0) {
                             WC_Compare_Categories_Fields_Data::insert_row($cat_id, $field_id);
                         }
                     }
                     WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "' AND cat_id NOT IN(" . implode(',', $_REQUEST['field_cats']) . ")");
                 } else {
                     WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "'");
                 }
                 $result_msg = '<div class="updated" id="result_msg"><p>' . __('Compare Feature Successfully edited', 'woo_cp') . '.</p></div>';
             } else {
                 $result_msg = '<div class="error" id="result_msg"><p>' . __('Nothing edited! You already have a Compare Feature with that name. Use the Features Search function to find it. Use unique names to edit each Compare Feature.', 'woo_cp') . '</p></div>';
             }
         } else {
             $count_field_name = WC_Compare_Data::get_count("field_name = '" . $field_name . "'");
             if ($field_name != '' && $count_field_name == 0) {
                 $field_id = WC_Compare_Data::insert_row($_REQUEST);
                 if ($field_id > 0) {
                     WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "'");
                     if (isset($_REQUEST['field_cats']) && count((array) $_REQUEST['field_cats']) > 0) {
                         foreach ($_REQUEST['field_cats'] as $cat_id) {
                             WC_Compare_Categories_Fields_Data::insert_row($cat_id, $field_id);
                         }
                     }
                     $result_msg = '<div class="updated" id="result_msg"><p>' . __('Compare Feature Successfully created', 'woo_cp') . '.</p></div>';
                 } else {
                     $result_msg = '<div class="error" id="result_msg"><p>' . __('Compare Feature Error created', 'woo_cp') . '.</p></div>';
                 }
             } else {
                 $result_msg = '<div class="error" id="result_msg"><p>' . __('Nothing created! You already have a Compare Feature with that name. Use the Features Search function to find it. Use unique names to create each Compare Feature.', 'woo_cp') . '</p></div>';
             }
         }
     } elseif (isset($_REQUEST['bt_delete'])) {
         $list_fields_delete = $_REQUEST['un_fields'];
         if (is_array($list_fields_delete) && count($list_fields_delete) > 0) {
             foreach ($list_fields_delete as $field_id) {
                 WC_Compare_Data::delete_row($field_id);
                 WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "'");
             }
             $result_msg = '<div class="updated" id="result_msg"><p>' . __('Compare Feature successfully deleted', 'woo_cp') . '.</p></div>';
         } else {
             $result_msg = '<div class="updated" id="result_msg"><p>' . __('Please select item(s) to delete', 'woo_cp') . '.</p></div>';
         }
     }
     if (isset($_REQUEST['act']) && $_REQUEST['act'] == 'field-delete') {
         $field_id = trim($_REQUEST['field_id']);
         if (isset($_REQUEST['cat_id']) && $_REQUEST['cat_id'] > 0) {
             WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "' AND cat_id='" . $_REQUEST['cat_id'] . "'");
             $result_msg = '<div class="updated" id="result_msg"><p>' . __('Compare Feature successfully removed', 'woo_cp') . '.</p></div>';
         } else {
             WC_Compare_Data::delete_row($field_id);
             WC_Compare_Categories_Fields_Data::delete_row("field_id='" . $field_id . "'");
             $result_msg = '<div class="updated" id="result_msg"><p>' . __('Compare Feature successfully deleted', 'woo_cp') . '.</p></div>';
         }
     }
     return $result_msg;
 }