From 31e6390ae5c6948ba81a9731dc849803f4fd41dd Mon Sep 17 00:00:00 2001
From: Rasmus Lerdorf <rasmus@php.net>
Date: Fri, 6 Aug 2010 18:19:23 +0000
Subject: [PATCH] Do these ops in the right order here.  First of many fixes
 for bug #52550

---
 ext/standard/var_unserializer.re | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/standard/var_unserializer.re b/ext/standard/var_unserializer.re
index 1498d27680e..b1b5d34efe1 100644
--- a/ext/standard/var_unserializer.re
+++ b/ext/standard/var_unserializer.re
@@ -231,7 +231,7 @@ static inline long parse_iv2(const unsigned char *p, const unsigned char **q)
 	while (1) {
 		cursor = (char)*p;
 		if (cursor >= '0' && cursor <= '9') {
-			result = result * 10 + cursor - '0';
+			result = result * 10 + (size_t)(cursor - (unsigned char)'0');
 		} else {
 			break;
 		}