Ticket #36860: 36860.6.diff

src/wp-admin/users.php

@@ -234 +234 @@
                         $userids = array_map( 'intval', (array) $_REQUEST['users'] );
                 }
 
+                /**
+                 * Filters whether the users have additional content attached to them outside of the post_author & link_owner relation.
+                 *
+                 * @since 5.2.0
+                 *
+                 * @param boolean $users_have_additional_content The flag for users have additional content. Default is `false`.
+                 * @param int[]   $userids                   Array of IDs for users being deleted.
+                 */
+                $users_have_additional_content = (bool) apply_filters( 'users_have_additional_content', false, $userids );
+
                 $users_have_content = false;
-                if ( $wpdb->get_var( "SELECT ID FROM {$wpdb->posts} WHERE post_author IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
+
+                if ( $users_have_additional_content ) {
                         $users_have_content = true;
-                } elseif ( $wpdb->get_var( "SELECT link_id FROM {$wpdb->links} WHERE link_owner IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
-                        $users_have_content = true;
+                } else {
+                        if ( $wpdb->get_var( "SELECT ID FROM {$wpdb->posts} WHERE post_author IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
+                                $users_have_content = true;
+                        } elseif ( $wpdb->get_var( "SELECT link_id FROM {$wpdb->links} WHERE link_owner IN( " . implode( ',', $userids ) . ' ) LIMIT 1' ) ) {
+                                $users_have_content = true;
+                        }
                 }
 
                 if ( $users_have_content ) {