Ticket #38099: 38099.patch

wp-includes/class-wp-query.php

@@ -1323 +1323 @@
                 $n = ! empty( $q['exact'] ) ? '' : '%';
                 $searchand = '';
                 $q['search_orderby_title'] = array();
+
+                /**
+                 * Filters whether to exclude search terms preceded with a hyphen
+                 *
+                 * @since 4.7.0
+                 *
+                 * @param bool Whether the search query exclude terms preceded with a hyphen
+                 */
+                $hyphen_exclusion = apply_filters( 'wp_search_exclusion', '__return_true' );
+
                 foreach ( $q['search_terms'] as $term ) {
                         // Terms prefixed with '-' should be excluded.
                         $include = '-' !== substr( $term, 0, 1 );
-                        if ( $include ) {
+                        if ( $include || ! $hyphen_exclusion ) {
                                 $like_op  = 'LIKE';
                                 $andor_op = 'OR';
                         } else {