From 13e627ad691f7645d03c7552ac469c2988397200 Mon Sep 17 00:00:00 2001
From: Brent Shaffer <betterbrent@google.com>
Date: Mon, 9 Apr 2018 14:08:58 -0700
Subject: includes the expected class in the exception, otherwise the error is
 harder to track down (#3371)

---
 php/src/Google/Protobuf/Internal/GPBUtil.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'php')

diff --git a/php/src/Google/Protobuf/Internal/GPBUtil.php b/php/src/Google/Protobuf/Internal/GPBUtil.php
index 76f84cbd..05d5c393 100644
--- a/php/src/Google/Protobuf/Internal/GPBUtil.php
+++ b/php/src/Google/Protobuf/Internal/GPBUtil.php
@@ -194,7 +194,7 @@ class GPBUtil
     public static function checkMessage(&$var, $klass)
     {
         if (!$var instanceof $klass && !is_null($var)) {
-            throw new \Exception("Expect message.");
+            throw new \Exception("Expect $klass.");
         }
     }
 
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