From 8c85f91b9c3af7670bfa049f49fe62771b22e210 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 17 Mar 2020 23:27:36 +0100
Subject: [PATCH] [VarDumper] fix side-effect by not using mt_rand()

---
 src/Symfony/Component/VarDumper/Cloner/VarCloner.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/VarDumper/Cloner/VarCloner.php b/src/Symfony/Component/VarDumper/Cloner/VarCloner.php
index ab44a8d76b..07e6b4ca2e 100644
--- a/src/Symfony/Component/VarDumper/Cloner/VarCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/VarCloner.php
@@ -48,8 +48,8 @@ class VarCloner extends AbstractCloner
                                         // or null if the original value is used directly
 
         if (!self::$hashMask) {
-            self::$gid = uniqid(mt_rand(), true); // Unique string used to detect the special $GLOBALS variable
             self::initHashMask();
+            self::$gid = md5(dechex(self::$hashMask)); // Unique string used to detect the special $GLOBALS variable
         }
         $gid = self::$gid;
         $hashMask = self::$hashMask;