Ticket #18372: pluggable.php.patch

wp-includes/pluggable.php

@@ -783 +783 @@
 function is_user_logged_in() {
         $user = wp_get_current_user();
 
-        if ( $user->id == 0 )
+        if ( !isset($user) || $user->id == 0 )
                 return false;
 
         return true;
@@ -1334 +1334 @@
  */
 function wp_create_nonce($action = -1) {
         $user = wp_get_current_user();
+
+    if (isset($user)) {
         $uid = (int) $user->id;
+    }
+    else {
+        $uid = 0;
+    }
 
         $i = wp_nonce_tick();