Changeset 539529

Timestamp:

05/03/2012 05:27:45 PM (14 years ago)

Author:

sivel

Message:

Add WP_CACHE_KEY_SALT that can be configured for wp-config.php to ensure the uniqueness of keys generated by this object cache when sharing a wp-config.php or for multiple databases that use the same .

File:

• memcached/trunk/object-cache.php (modified) (2 diffs)

memcached/trunk/object-cache.php

@@ -10 +10 @@
 Install this file to wp-content/object-cache.php
 */
+
+// Users with setups where multiple installs share a common wp-config.php or $table_prefix
+// can use this to guarantee uniqueness for the keys generated by this object cache
+if ( !defined( 'WP_CACHE_KEY_SALT' ) )
+    define( 'WP_CACHE_KEY_SALT', '' );
 
 function wp_cache_add($key, $data, $group = '', $expire = 0) {
@@ -264 +269 @@
             $prefix = $this->blog_prefix;
 
-        return preg_replace('/\s+/', '', "$prefix$group:$key");
+        return preg_replace('/\s+/', '', WP_CACHE_KEY_SALT . "$prefix$group:$key");
     }