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- function __search_by_title_only( $search, &$wp_query )
- {
- global $wpdb;
- if(empty($search)) {
- return $search; // skip processing - no search term in query
- }
- $q = $wp_query->query_vars;
- $n = !empty($q['exact']) ? '' : '%';
- $search =
- $searchand = '';
- foreach ((array)$q['search_terms'] as $term) {
- $term = esc_sql($wpdb->esc_like($term));
- $search .= "{$searchand}($wpdb->posts.post_title LIKE '{$n}{$term}{$n}')";
- $searchand = ' AND ';
- }
- if (!empty($search)) {
- $search = " AND ({$search}) ";
- if (!is_user_logged_in())
- $search .= " AND ($wpdb->posts.post_password = '') ";
- }
- return $search;
- }
- add_filter('posts_search', '__search_by_title_only', 500, 2);
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