search_cron() Implements
Matches all 'N' Unicode character classes (numbers) File core/modules/search/
search_mark_for_reindex($type = NULL, $sid = NULL, $langcode = NULL) Changes the timestamp on indexed items
search_update_totals() Updates the {search_total} database table. This function
Matches CJK (Chinese, Japanese, Korean) letter-like characters. This list is derived from the "East Asian Scripts" section of
search_invoke_preprocess(&$text, $langcode = NULL) Invokes
search_theme() Implements
search_preprocess_block(&$variables) Implements
search_dirty($word = NULL) Marks a word as "dirty" (changed), or retrieves the list of dirty words.
search_index_clear($type = NULL, $sid = NULL, $langcode = NULL) Clears either a part of, or the entire search
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