Ticket #24445: 24445.diff

wp-includes/author-template.php

@@ -372 +372 @@
 function is_multi_author() {
         global $wpdb;
 
-        if ( false === ( $is_multi_author = wp_cache_get('is_multi_author', 'posts') ) ) {
+        if ( false === ( $is_multi_author = get_transient( 'is_multi_author' ) ) ) {
                 $rows = (array) $wpdb->get_col("SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 2");
                 $is_multi_author = 1 < count( $rows ) ? 1 : 0;
-                wp_cache_set('is_multi_author', $is_multi_author, 'posts');
+                set_transient( 'is_multi_author', $is_multi_author );
         }
 
         return apply_filters( 'is_multi_author', (bool) $is_multi_author );
@@ -387 +387 @@
  * @private
  */
 function __clear_multi_author_cache() {
-        wp_cache_delete('is_multi_author', 'posts');
+        delete_transient( 'is_multi_author' );
 }
 add_action('transition_post_status', '__clear_multi_author_cache');