From 0cdb808f1c3fac7030a78ecd9fa4f5ebb3d80907 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 16 Apr 2019 15:41:08 +0200
Subject: [PATCH] [VarDumper] add caster for WeakReference instances of PHP 7.4

---
 .../Component/VarDumper/Caster/ReflectionCaster.php        | 7 +++++++
 src/Symfony/Component/VarDumper/Caster/SplCaster.php       | 7 +++++++
 src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php  | 2 ++
 3 files changed, 16 insertions(+)

diff --git a/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php b/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
index c686962dbdd5..8dfe7ea5ad74 100644
--- a/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
@@ -280,6 +280,13 @@ public static function castProperty(\ReflectionProperty $c, array $a, Stub $stub
         return $a;
     }
 
+    public static function castReference(\ReflectionReference $c, array $a, Stub $stub, $isNested)
+    {
+        $a[Caster::PREFIX_VIRTUAL.'id'] = $c->getId();
+
+        return $a;
+    }
+
     public static function castExtension(\ReflectionExtension $c, array $a, Stub $stub, $isNested)
     {
         self::addMap($a, $c, [
diff --git a/src/Symfony/Component/VarDumper/Caster/SplCaster.php b/src/Symfony/Component/VarDumper/Caster/SplCaster.php
index a223adb7f2ca..37260b5b9758 100644
--- a/src/Symfony/Component/VarDumper/Caster/SplCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/SplCaster.php
@@ -188,6 +188,13 @@ public static function castOuterIterator(\OuterIterator $c, array $a, Stub $stub
         return $a;
     }
 
+    public static function castWeakReference(\WeakReference $c, array $a, Stub $stub, $isNested)
+    {
+        $a[Caster::PREFIX_VIRTUAL.'object'] = $c->get();
+
+        return $a;
+    }
+
     private static function castSplArray($c, array $a, Stub $stub, $isNested)
     {
         $prefix = Caster::PREFIX_VIRTUAL;
diff --git a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
index e2393c4dbe5e..5582d24c3aba 100644
--- a/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
+++ b/src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php
@@ -38,6 +38,7 @@ abstract class AbstractCloner implements ClonerInterface
         'ReflectionMethod' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'],
         'ReflectionParameter' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'],
         'ReflectionProperty' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'],
+        'ReflectionReference' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReference'],
         'ReflectionExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'],
         'ReflectionZendExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'],
 
@@ -109,6 +110,7 @@ abstract class AbstractCloner implements ClonerInterface
         'SplObjectStorage' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'],
         'SplPriorityQueue' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
         'OuterIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'],
+        'WeakReference' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castWeakReference'],
 
         'Redis' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'],
         'RedisArray' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'],