Ticket #18458: patches-if-statement.diff

wp-includes/pluggable.php

@@ -755 +755 @@
 function is_user_logged_in() {
         $user = wp_get_current_user();
 
-        if ( $user->ID == 0 )
+        if ( !is_object( $user ) || $user->ID == 0 )
                 return false;
 
         return true;