Changeset 23401 for trunk/wp-includes/post.php

Timestamp:

02/11/2013 06:08:14 PM (14 years ago)

Author:

ryan

Message:

Use microtime() instead of incrementors for last_changed to to avoid race conditions with cache evictions.

Props westi
fixes #23448

File:

• trunk/wp-includes/post.php (modified) (2 diffs)

trunk/wp-includes/post.php

@@ -3654 +3654 @@
         $last_changed = wp_cache_get( 'last_changed', 'posts' );
         if ( ! $last_changed ) {
-                $last_changed = 1;
+                $last_changed = microtime();
                 wp_cache_set( 'last_changed', $last_changed, 'posts' );
         }
@@ -4673 +4673 @@
         }
 
-        if ( function_exists( 'wp_cache_incr' ) ) {
-                wp_cache_incr( 'last_changed', 1, 'posts' );
-        } else {
-                $last_changed = wp_cache_get( 'last_changed', 'posts' );
-                wp_cache_set( 'last_changed', $last_changed + 1, 'posts' );
-        }
+        wp_cache_set( 'last_changed', microtime(), 'posts' );
 }