From b1ea5524488db93bfecbcf08910908813e0ae3c7 Mon Sep 17 00:00:00 2001
From: Eriksen Costa <eriksencosta@gmail.com>
Date: Sat, 14 Apr 2012 16:55:51 -0300
Subject: [PATCH] [Locale] micro-optimization

---
 src/Symfony/Component/Locale/Stub/StubIntl.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Locale/Stub/StubIntl.php b/src/Symfony/Component/Locale/Stub/StubIntl.php
index a036e15056..1dfc731884 100644
--- a/src/Symfony/Component/Locale/Stub/StubIntl.php
+++ b/src/Symfony/Component/Locale/Stub/StubIntl.php
@@ -73,7 +73,7 @@ abstract class StubIntl
      */
     static public function isFailure($errorCode)
     {
-        return array_key_exists($errorCode, self::$errorCodes)
+        return isset(self::$errorCodes[$errorCode])
             && $errorCode > self::U_ZERO_ERROR;
     }