1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Util/Xml/SchemaDetector.php b/vendor/phpunit/phpunit/src/Util/Xml/SchemaDetector.php
new file mode 100644
index 000000000..5864695b4
--- /dev/null
+++ b/vendor/phpunit/phpunit/src/Util/Xml/SchemaDetector.php
@@ -0,0 +1,39 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\Util\Xml;
+
+/**
+ * @internal This class is not covered by the backward compatibility promise for PHPUnit
+ */
+final class SchemaDetector
+{
+    /**
+     * @throws Exception
+     */
+    public function detect(string $filename): SchemaDetectionResult
+    {
+        $document = (new Loader)->loadFile(
+            $filename,
+            false,
+            true,
+            true
+        );
+
+        foreach (['9.2', '8.5'] as $candidate) {
+            $schema = (new SchemaFinder)->find($candidate);
+
+            if (!(new Validator)->validate($document, $schema)->hasValidationErrors()) {
+                return new SuccessfulSchemaDetectionResult($candidate);
+            }
+        }
+
+        return new FailedSchemaDetectionResult;
+    }
+}