Ticket #20043: 20043.2.patch

src/wp-includes/class-wp-user.php

@@ -348 +348 @@
                         $key = 'ID';
                 }
 
+                $unset_blacklist = array(
+                        'ID' => 0,
+                );
+                if ( array_key_exists( $key, $unset_blacklist ) ) {
+                        $this->data->$key = $unset_blacklist[ $key ];
+                        return;
+                }
+
                 if ( isset( $this->data->$key ) ) {
                         unset( $this->data->$key );
                 }