From 9d351061fdc28a58e5a75effd4879c4e556585d2 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Tue, 13 Oct 2020 08:35:27 +0200
Subject: [PATCH] fix for PHPUnit 5

---
 src/Constraint/XmlMatchesXsd.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Constraint/XmlMatchesXsd.php b/src/Constraint/XmlMatchesXsd.php
index f981ab5..e9e6490 100644
--- a/src/Constraint/XmlMatchesXsd.php
+++ b/src/Constraint/XmlMatchesXsd.php
@@ -12,7 +12,8 @@
 
 namespace PhpCsFixer\PhpunitConstraintXmlMatchesXsd\Constraint;
 
-if (version_compare(\PHPUnit\Runner\Version::id(), '7.0.0') < 0) {
+if (!class_exists('\PHPUnit\Runner\Version')
+    || version_compare(\PHPUnit\Runner\Version::id(), '7.0.0') < 0) {
     class_alias(XmlMatchesXsdForV5::class, XmlMatchesXsd::class);
 } elseif (version_compare(\PHPUnit\Runner\Version::id(), '8.0.0') < 0) {
     class_alias(XmlMatchesXsdForV7::class, XmlMatchesXsd::class);