test1/public/drupal/core/modules/search/search.pages...

<?php

/**
 * @file
 * User page callbacks for the Search module.
 */

use Drupal\Component\Utility\UrlHelper;
use Drupal\Core\Language\LanguageInterface;

/**
 * Implements hook_theme_suggestions_HOOK().
 */
function search_theme_suggestions_search_result(array $variables) {
  return ['search_result__' . $variables['plugin_id']];
}

/**
 * Prepares variables for individual search result templates.
 *
 * Default template: search-result.html.twig
 *
 * @param array $variables
 *   An array with the following elements:
 *   - result: Individual search result.
 *   - plugin_id: Plugin the search results came from.
 *   - title_prefix: Additional output populated by modules, intended to be
 *     displayed in front of the main title tag that appears in the template.
 *   - title_suffix: Additional output populated by modules, intended to be
 *     displayed after the main title tag that appears in the template.
 *   - title_attributes: HTML attributes for the title.
 *   - content_attributes: HTML attributes for the content.
 */
function template_preprocess_search_result(&$variables) {
  $language_interface = \Drupal::languageManager()->getCurrentLanguage();

  $result = $variables['result'];
  $variables['url'] = UrlHelper::stripDangerousProtocols($result['link']);
  $variables['title'] = $result['title'];
  if (isset($result['language']) && $result['language'] != $language_interface->getId() && $result['language'] != LanguageInterface::LANGCODE_NOT_SPECIFIED) {
    $variables['title_attributes']['lang'] = $result['language'];
    $variables['content_attributes']['lang'] = $result['language'];
  }

  $info = [];
  if (!empty($result['plugin_id'])) {
    $info['plugin_id'] = $result['plugin_id'];
  }
  if (!empty($result['user'])) {
    $info['user'] = $result['user'];
  }
  if (!empty($result['date'])) {
    $info['date'] = format_date($result['date'], 'short');
  }
  if (isset($result['extra']) && is_array($result['extra'])) {
    $info = array_merge($info, $result['extra']);
  }
  // Check for existence. User search does not include snippets.
  $variables['snippet'] = isset($result['snippet']) ? $result['snippet'] : '';
  // Provide separated and grouped meta information..
  $variables['info_split'] = $info;
  $variables['info'] = [
    '#type' => 'inline_template',
    '#template' => '{{ info|safe_join(" - ") }}',
    '#context' => ['info' => $info],
  ];
}