Move into nested docroot

web/core/modules/search/search.api.php

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+<?php
+
+/**
+ * @file
+ * Hooks provided by the Search module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Preprocess text for search.
+ *
+ * This hook is called to preprocess both the text added to the search index
+ * and the keywords users have submitted for searching. The same processing
+ * needs to be applied to both so that searches will find matches.
+ *
+ * Possible uses:
+ * - Adding spaces between words of Chinese or Japanese text.
+ * - Stemming words down to their root words to allow matches between, for
+ *   instance, walk, walked, walking, and walks in searching.
+ * - Expanding abbreviations and acronyms that occur in text.
+ *
+ * @param string $text
+ *   The text to preprocess. This is a single piece of plain text extracted
+ *   from between two HTML tags or from the search query. It will not contain
+ *   any HTML entities or HTML tags.
+ * @param string|null $langcode
+ *   The language code for the language the text is in, if known. When this hook
+ *   is invoked during search indexing, the language will most likely be known
+ *   and passed in. This is left up to the search plugin;
+ *   \Drupal\node\Plugin\Search\NodeSearch does pass in the node
+ *   language. However, when this hook is invoked during searching, in order to
+ *   let a module apply the same preprocessing to the search keywords and
+ *   indexed text so they will match, $langcode will be NULL. A hook
+ *   implementation can call the getCurrentLanguage() method on the
+ *   'language_manager' service to determine the current language and act
+ *   accordingly.
+ *
+ * @return string
+ *   The text after preprocessing. Note that if your module decides not to
+ *   alter the text, it should return the original text. Also, after
+ *   preprocessing, words in the text should be separated by a space.
+ *
+ * @ingroup search
+ */
+function hook_search_preprocess($text, $langcode = NULL) {
+  // If the language is not set, get it from the language manager.
+  if (!isset($langcode)) {
+    $langcode = \Drupal::languageManager()->getCurrentLanguage()->getId();
+  }
+
+  // If the langcode is set to 'en' then add variations of the word "testing"
+  // which can also be found during English language searches.
+  if ($langcode == 'en') {
+    // Add the alternate verb forms for the word "testing".
+    if ($text == 'we are testing') {
+      $text .= ' test tested';
+    }
+  }
+
+  return $text;
+}
+
+/**
+ * Alter search plugin definitions.
+ *
+ * @param array $definitions
+ *   The array of search plugin definitions, keyed by plugin ID.
+ *
+ * @see \Drupal\search\Annotation\SearchPlugin
+ * @see \Drupal\search\SearchPluginManager
+ */
+function hook_search_plugin_alter(array &$definitions) {
+  if (isset($definitions['node_search'])) {
+    $definitions['node_search']['title'] = t('Nodes');
+  }
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */