Ticket #63004: GH-8410.diff

src/wp-includes/user.php

@@ -660 +660 @@
 function count_many_users_posts( $users, $post_type = 'post', $public_only = false ) {
         global $wpdb;
 
-        $count = array();
+        /**
+         * Short-circuits counting of users' posts.
+         *
+         * @since 6.8.0
+         *
+         * @param bool $skip_count Whether to skip counting the users' posts. Default false.
+         */
+        if ( apply_filters( 'skip_count_many_users_posts', false ) ) {
+                return array();
+        }
+
         if ( empty( $users ) || ! is_array( $users ) ) {
-                return $count;
+                return array();
         }
 
-        $userlist = implode( ',', array_map( 'absint', $users ) );
+        $users    = wp_parse_id_list( $users );
+        $userlist = implode( ',', $users );
         $where    = get_posts_by_author_sql( $post_type, true, null, $public_only );
 
         $result = $wpdb->get_results( "SELECT post_author, COUNT(*) FROM $wpdb->posts $where AND post_author IN ($userlist) GROUP BY post_author", ARRAY_N );
+
+        $count = array_fill_keys( $users, 0 );
         foreach ( $result as $row ) {
                 $count[ $row[0] ] = $row[1];
         }
 
-        foreach ( $users as $id ) {
-                if ( ! isset( $count[ $id ] ) ) {
-                        $count[ $id ] = 0;
-                }
-        }
-
         return $count;
 }