Changeset 20135 for trunk/wp-includes/pluggable.php

Timestamp:

03/07/2012 03:41:56 AM (14 years ago)

Author:

nacin

Message:

Internally cache return values of wp_salt(). Always run the filter. Big performance gains on a pageload that generates hundreds of nonces. see #19599.

File:

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

trunk/wp-includes/pluggable.php

@@ -1311 +1311 @@
     global $wp_secret_key_default; // This is set for localized builds for versions > 3.4.0.
 
+    static $cached_salts = array();
+    if ( isset( $cached_salts[ $scheme ] ) )
+        return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
+
     static $duplicated_keys;
     if ( null === $duplicated_keys ) {
@@ -1356 +1360 @@
     }
 
-    return apply_filters('salt', $key . $salt, $scheme);
+    $cached_salts[ $scheme ] = $key . $salt;
+    return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
 }
 endif;