Ticket #3891: cast_qvs_to_string.diff

wp-includes/classes.php

@@ -148 +148 @@
                                 $this->query_vars[$wpvar] = $_GET[$wpvar];
                         elseif (!empty($perma_query_vars[$wpvar]))
                                 $this->query_vars[$wpvar] = $perma_query_vars[$wpvar];
+
+                        $this->query_vars[$wpvar] = (string) $this->query_vars[$wpvar];
                 }
 
                 foreach ($this->private_query_vars as $var) {