From 7d6edbe71db7d50cc473b4f2a13d059a6593a711 Mon Sep 17 00:00:00 2001
From: Alessandro Lai <alessandro.lai85@gmail.com>
Date: Wed, 24 Jan 2024 18:19:52 +0100
Subject: [PATCH] Fallback to null when argument default value is an object

---
 spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php | 4 +++-
 src/Prophecy/Doubler/Generator/ClassCodeGenerator.php      | 7 ++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
index dad9423b1..46c68cfde 100644
--- a/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
+++ b/spec/Prophecy/Doubler/Generator/ClassCodeGeneratorSpec.php
@@ -459,9 +459,11 @@ function it_generates_correct_code_if_argument_default_value_is_an_object(
         $expected =<<<'PHP'
 namespace  {
 class CustomClass extends \ClassWithArgument implements \Prophecy\Doubler\Generator\MirroredInterface {
-public function foo(\DateTimeInterface $arg = NULL) {
+
+public  function foo(\DateTimeInterface $arg = NULL) {
 
 }
+
 }
 }
 PHP;
diff --git a/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php b/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
index 2d30a3f2e..489117b5f 100644
--- a/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
+++ b/src/Prophecy/Doubler/Generator/ClassCodeGenerator.php
@@ -110,7 +110,12 @@ private function generateArguments(array $arguments): array
             $php .= '$'.$argument->getName();
 
             if ($argument->isOptional() && !$argument->isVariadic()) {
-                $php .= ' = '.var_export($argument->getDefault(), true);
+                $default = $argument->getDefault();
+                if (is_object($argument->getDefault())) {
+                    $default = null;
+                }
+
+                $php .= ' = '.var_export($default, true);
             }
 
             return $php;