Ticket #49102: 49102.2.patch

src/wp-includes/ms-functions.php

@@ -213 +213 @@
         do_action( 'add_user_to_blog', $user_id, $role, $blog_id );
 
         clean_user_cache( $user_id );
-        wp_cache_delete( $blog_id . '_user_count', 'blog-details' );
+    wp_cache_delete( $blog_id . '_user_count', 'blog-details' );
+    
+    /**
+         * Fires immediately after a user is added to a site, and after the user cache has been cleaned.
+         *
+         * @since MU (5.4.0)
+         *
+         * @param int    $user_id User ID.
+         * @param string $role    User role.
+         * @param int    $blog_id Blog ID.
+         */
+        do_action( 'added_user_to_blog', $user_id, $role, $blog_id );
 
         restore_current_blog();
 
@@ -303 +314 @@
                 }
         }
 
-        restore_current_blog();
+    /**
+         * Fires after a user is removed from a site.
+         *
+         * @since MU (5.4.0)
+         *
+         * @param int $user_id User ID.
+         * @param int $blog_id Blog ID.
+         */
+    do_action( 'removed_user_from_blog', $user_id, $blog_id );
+
+    restore_current_blog();
 
         return true;
 }
@@ -2185 +2206 @@
                 $result = add_user_to_blog( $blog_id, $user_id, $role );
 
                 if ( ! is_wp_error( $result ) ) {
-                        update_user_meta( $user_id, 'primary_blog', $blog_id );
+            update_user_meta( $user_id, 'primary_blog', $blog_id );
+
+            /**
+                     * Fires immediately after a new user is added to a site.
+                     *
+                     * @since MU (5.4.0)
+                     *
+                     * @param int $user_id User ID.
+                 * @param int $blog_id Blog ID.
+                     */
+            do_action( 'added_new_user', $user_id, $blog_id );
                 }
         }
 }