fixed a crash under certain versions of PHP when an object with a __toString() method...

diff --git a/lib/Twig/Extension/Core.php b/lib/Twig/Extension/Core.php
index 40cf292..f98ce5a 100644 (file)
--- 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