Ticket #25690: 25690.ternary.diff

src/wp-includes/user.php

@@ -212 +212 @@
  * @return int The current user's ID
  */
 function get_current_user_id() {
-        $user = wp_get_current_user();
+        $user = function_exists( 'wp_get_current_user' ) ? wp_get_current_user() : new WP_User;
         return ( isset( $user->ID ) ? (int) $user->ID : 0 );
 }