Ticket #16706: 16706.split.diff

wp-includes/query.php

@@ -1666 +1666 @@
 
                                 $term = $q[$t->query_var];
 
-                                if ( strpos($term, '+') !== false ) {
-                                        $terms = preg_split( '/[+]+/', $term );
-                                        foreach ( $terms as $term ) {
-                                                $tax_query[] = array_merge( $tax_query_defaults, array(
-                                                        'terms' => array( $term )
-                                                ) );
-                                        }
+                                if ( preg_match( '/[+ ]+/', $term ) ) {
+                                        $tax_query[] = array_merge( $tax_query_defaults, array(
+                                                'terms' => preg_split( '/[+ ]+/', $term ),
+                                                'operator' => 'AND'
+                                        ) );
                                 } else {
                                         $tax_query[] = array_merge( $tax_query_defaults, array(
                                                 'terms' => preg_split( '/[,]+/', $term )