Ticket #15715: cache_get_users_of_blog.diff

wp-includes/user.php

@@ -614 +614 @@
         if ( empty( $id ) )
                 $id = get_current_blog_id();
 
-        return get_users( array( 'blog_id' => $id ) );
+        $users = wp_cache_get( 'users_of_blog-' . $id, 'users' );
+
+        if ( false === $users ) {
+                $users = get_users( array( 'blog_id' => $id ) );
+                wp_cache_set( 'users_of_blog-' . $id, $users, 'users' );
+        }
+                
+        return $users;
 }
 
 /**