Ticket #23636: taxonomy.patch

wp-includes/taxonomy.php

@@ -1330 +1330 @@
         $exclusions = apply_filters('list_terms_exclusions', $exclusions, $args );
         $where .= $exclusions;
 
-        if ( !empty($slug) ) {
-                $slug = sanitize_title($slug);
-                $where .= " AND t.slug = '$slug'";
+        if ( ! empty( $slug ) ) {
+                if ( ! is_array( $slug ) )
+                        $slug = array( $slug );
+                $slug = array_map( 'sanitize_title', $slug );
+                $where .= " AND t.slug IN ('" . implode( "', '", $slug ) . "')";
         }
 
         if ( !empty($name__like) ) {