From 86214c460186e23c273979bdc2787474eff039e4 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Fri, 25 Nov 2011 19:36:25 +0100
Subject: [PATCH] fixed a crash under certain versions of PHP when an object with a __toString() method is used with htmlspecialchars

---
 lib/Twig/Extension/Core.php |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/Twig/Extension/Core.php b/lib/Twig/Extension/Core.php
index 40cf292..f98ce5a 100644
--- a/lib/Twig/Extension/Core.php
+++ b/lib/Twig/Extension/Core.php
@@ -498,6 +498,8 @@ function twig_escape_filter(Twig_Environment $env, $string, $type = 'html', $cha
         $charset = $env->getCharset();
     }
 
+    $string = (string) $string;
+
     switch ($type) {
         case 'js':
             // escape all non-alphanumeric characters
-- 
1.7.2.5