Ticket #3250: wp_redirect.diff

wp-includes/pluggable.php

@@ -256 +256 @@
 function wp_redirect($location, $status = 302) {
         global $is_IIS;
 
+        $location = apply_filters('wp_redirect', $location, $status);
+
+        if ( !$location ) // allows the wp_redirect filter to cancel a redirect
+                return false; 
+
         $location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
         $location = wp_kses_no_null($location);