Ticket #6940: 6940.02-single-site-check-user-count.patch

src/bp-blogs/bp-blogs-functions.php

@@ -102 +102 @@
 
         // Record a single site.
         } else {
-                $blog_ids = $wpdb->blogid;
+                // Count users.
+                $count = count_users();
+                $count = $count['total_users'];
+
+                /** This filter is documented in /wp-includes/ms-functions.php **/
+                $is_large_install = apply_filters( 'wp_is_large_network', $count > 10000, 'users', $count );
+
+                if ( $is_large_install ) {
+                        $blog_ids = false;
+                } else {
+                        $blog_ids = $wpdb->blogid;
+                }
         }
 
         // Bail if there are no blogs in the network.
@@ -133 +144 @@
 
                 // Get all users.
                 $users = get_users( array(
-                        'blog_id' => $blog_id
+                        'blog_id' => $blog_id,
+                        'fields'  => 'ID'
                 ) );
 
                 // Continue on if no users exist for this site (how did this happen?).
@@ -142 +154 @@
                 }
 
                 // Loop through users and record their relationship to this blog.
-                foreach ( (array) $users as $user ) {
-                        bp_blogs_add_user_to_blog( $user->ID, false, $blog_id );
+                foreach ( (array) $users as $user_id ) {
+                        bp_blogs_add_user_to_blog( $user_id, false, $blog_id );
                 }
         }