From c66b982813108b1298c506fc4ebfb057e6c3e16b Mon Sep 17 00:00:00 2001
From: Wouter de Jong <wouter@wouterj.nl>
Date: Fri, 5 Aug 2022 12:27:48 +0200
Subject: [PATCH] Do not treat deprecation level as errors

---
 src/Types/ArrayType.php                           |  7 +++++++
 tests/Types/ArrayTest.php                         |  9 +++++++++
 .../Fixtures/UnserializeWithDeprecationObject.php | 15 +++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 tests/Types/Fixtures/UnserializeWithDeprecationObject.php

diff --git a/src/Types/ArrayType.php b/src/Types/ArrayType.php
index 3137e03f37a..b3d9d3c56ae 100644
--- a/src/Types/ArrayType.php
+++ b/src/Types/ArrayType.php
@@ -11,6 +11,9 @@
 use function stream_get_contents;
 use function unserialize;
 
+use const E_DEPRECATED;
+use const E_USER_DEPRECATED;
+
 /**
  * Type that maps a PHP array to a clob SQL type.
  */
@@ -45,6 +48,10 @@ public function convertToPHPValue($value, AbstractPlatform $platform)
         $value = is_resource($value) ? stream_get_contents($value) : $value;
 
         set_error_handler(function (int $code, string $message): bool {
+            if ($code === E_DEPRECATED || $code === E_USER_DEPRECATED) {
+                return false;
+            }
+
             throw ConversionException::conversionFailedUnserialization($this->getName(), $message);
         });
 
diff --git a/tests/Types/ArrayTest.php b/tests/Types/ArrayTest.php
index f7f823cfcac..172a5bdd042 100644
--- a/tests/Types/ArrayTest.php
+++ b/tests/Types/ArrayTest.php
@@ -3,6 +3,7 @@
 namespace Doctrine\DBAL\Tests\Types;
 
 use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Tests\Types\Fixtures\UnserializeWithDeprecationObject;
 use Doctrine\DBAL\Types\ArrayType;
 use Doctrine\DBAL\Types\ConversionException;
 use PHPUnit\Framework\MockObject\MockObject;
@@ -45,6 +46,14 @@ public function testConversionFailure(): void
         $this->type->convertToPHPValue('abcdefg', $this->platform);
     }
 
+    public function testDeprecationDuringConversion(): void
+    {
+        @self::assertInstanceOf(UnserializeWithDeprecationObject::class, $this->type->convertToPHPValue(
+            serialize(new UnserializeWithDeprecationObject()),
+            $this->platform
+        ));
+    }
+
     public function testNullConversion(): void
     {
         self::assertNull($this->type->convertToPHPValue(null, $this->platform));
diff --git a/tests/Types/Fixtures/UnserializeWithDeprecationObject.php b/tests/Types/Fixtures/UnserializeWithDeprecationObject.php
new file mode 100644
index 00000000000..c668450c2e1
--- /dev/null
+++ b/tests/Types/Fixtures/UnserializeWithDeprecationObject.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Doctrine\DBAL\Tests\Types\Fixtures;
+
+use function trigger_error;
+
+use const E_USER_DEPRECATED;
+
+class UnserializeWithDeprecationObject
+{
+    public function __wakeup(): void
+    {
+        trigger_error('Deprecation triggered', E_USER_DEPRECATED);
+    }
+}