/**
  * Saves a rating form entry.
  */
 public static function save_rating()
 {
     $ajax_nonce = $_POST['nonce'];
     if (wp_verify_nonce($ajax_nonce, Multi_Rating::ID . '-nonce')) {
         global $wpdb;
         $rating_items = $_POST['ratingItems'];
         $post_id = $_POST['postId'];
         $ip_address = MR_Utils::get_ip_address();
         $entry_date_mysql = current_time('mysql');
         $sequence = isset($_POST['sequence']) ? $_POST['sequence'] : '';
         // WPML get original pst id for default language
         if (function_exists('icl_object_id')) {
             global $sitepress;
             $post_id = icl_object_id($post_id, get_post_type($post_id), true, $sitepress->get_default_language());
         }
         $data = array('sequence' => $sequence, 'post_id' => $post_id);
         $general_settings = (array) get_option(Multi_Rating::GENERAL_SETTINGS);
         $custom_text_settings = (array) get_option(Multi_Rating::CUSTOM_TEXT_SETTINGS);
         // get user id
         global $wp_roles;
         $user = wp_get_current_user();
         $user_id = $user->ID;
         // stores any validation results, custom validation results can be added through filters
         $validation_results = array();
         $validation_results = MR_Utils::validate_save_rating_restricton($validation_results, $post_id);
         $validation_results = MR_Utils::validate_rating_item_required($validation_results, $rating_items);
         $validation_results = apply_filters('mr_after_rating_form_validation_save', $validation_results, $data);
         if (MR_Utils::has_validation_error($validation_results)) {
             echo json_encode(array('status' => 'error', 'data' => $data, 'validation_results' => $validation_results));
             die;
         }
         // everything is OK so now insert the rating form entry and entry values into the database tables
         $wpdb->insert($wpdb->prefix . Multi_Rating::RATING_ITEM_ENTRY_TBL_NAME, array('post_id' => $post_id, 'entry_date' => $entry_date_mysql, 'ip_address' => $ip_address, 'user_id' => $user_id), array('%d', '%s', '%s', '%d'));
         $rating_entry_id = $wpdb->insert_id;
         foreach ($rating_items as $rating_item) {
             $rating_item_id = $rating_item['id'];
             $rating_item_value = $rating_item['value'];
             $wpdb->insert($wpdb->prefix . Multi_Rating::RATING_ITEM_ENTRY_VALUE_TBL_NAME, array('rating_item_entry_id' => $rating_entry_id, 'rating_item_id' => $rating_item_id, 'value' => $rating_item_value), array('%d', '%d', '%d'));
         }
         // Set cookie if restriction type is used
         foreach ($general_settings[Multi_Rating::SAVE_RATING_RESTRICTION_TYPES_OPTION] as $save_rating_restriction_type) {
             if ($save_rating_restriction_type == 'cookie') {
                 if (!headers_sent()) {
                     $save_rating_restriction_hours = $general_settings[Multi_Rating::SAVE_RATING_RESTRICTION_HOURS_OPTION];
                     setcookie(Multi_Rating::POST_SAVE_RATING_COOKIE . '-' . $post_id, true, time() + 60 * 60 * $save_rating_restriction_hours, COOKIEPATH, COOKIE_DOMAIN, false, true);
                 }
                 break;
             }
         }
         $rating_items = Multi_Rating_API::get_rating_items(array('post_id' => $post_id));
         $rating_result = Multi_Rating_API::calculate_rating_result(array('post_id' => $post_id, 'rating_items' => $rating_items));
         $rating_results_cache = $general_settings[Multi_Rating::RATING_RESULTS_CACHE_OPTION];
         if ($rating_results_cache == true) {
             // update rating results cache
             update_post_meta($post_id, Multi_Rating::RATING_RESULTS_POST_META_KEY, $rating_result);
         }
         $style_settings = (array) get_option(Multi_Rating::STYLE_SETTINGS);
         $font_awesome_version = $style_settings[Multi_Rating::FONT_AWESOME_VERSION_OPTION];
         $icon_classes = MR_Utils::get_icon_classes($font_awesome_version);
         $use_custom_star_images = $style_settings[Multi_Rating::USE_CUSTOM_STAR_IMAGES];
         $image_width = $style_settings[Multi_Rating::CUSTOM_STAR_IMAGE_WIDTH];
         $image_height = $style_settings[Multi_Rating::CUSTOM_STAR_IMAGE_HEIGHT];
         $rating_results_position = get_post_meta($post_id, Multi_Rating::RATING_RESULTS_POSITION_POST_META, true);
         $position_settings = (array) get_option(Multi_Rating::POSITION_SETTINGS);
         // use default rating results position
         if ($rating_results_position == '') {
             $rating_results_position = $position_settings[Multi_Rating::RATING_RESULTS_POSITION_OPTION];
         }
         ob_start();
         mr_get_template_part('rating-result', null, true, array('no_rating_results_text' => '', 'show_rich_snippets' => false, 'show_title' => false, 'show_date' => false, 'show_count' => true, 'result_type' => Multi_Rating::STAR_RATING_RESULT_TYPE, 'class' => 'rating-result-' . $post_id . ' ' . $rating_results_position . ' mr-filter', 'rating_result' => $rating_result, 'before_count' => '(', 'after_count' => ')', 'post_id' => $post_id, 'ignore_count' => false, 'preserve_max_option' => false, 'before_date' => '', 'after_date' => '', 'icon_classes' => $icon_classes, 'use_custom_star_images' => $use_custom_star_images, 'image_width' => $image_width, 'image_height' => $image_height));
         $html = ob_get_contents();
         ob_end_clean();
         $data['html'] = $html;
         // if the custom text does not contain %, then there's no need to substitute the message
         $message = $custom_text_settings[Multi_Rating::RATING_FORM_SUBMIT_SUCCESS_MESSAGE_OPTION];
         if (strpos($message, '%') !== false) {
             $message = MR_Utils::substitute_message($message, $user, Multi_Rating_API::calculate_rating_item_entry_result($rating_entry_id, $rating_items));
         }
         $data['rating_result'] = $rating_result;
         $data['hide_rating_form'] = $general_settings[Multi_Rating::HIDE_RATING_FORM_AFTER_SUBMIT_OPTION];
         echo json_encode(array('status' => 'success', 'data' => $data, 'message' => $message, 'validation_results' => $validation_results));
     }
     die;
 }