From 719435ba44caedc16eb418754a64a56408e9a54e Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Sat, 10 May 2025 21:36:05 +0700
Subject: [PATCH 1/2] Add is_object() on DowngradeInstanceofStringableRector

---
 .../Fixture/fixture.php.inc                            |  2 +-
 .../DowngradeInstanceofStringableRector.php            | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/fixture.php.inc b/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/fixture.php.inc
index 4423ba92..db2fbfd7 100644
--- a/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/fixture.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/fixture.php.inc
@@ -20,7 +20,7 @@ class Fixture
 {
     public function run($obj)
     {
-        return method_exists($obj, '__toString');
+        return is_object($obj) && method_exists($obj, '__toString');
     }
 }
 
diff --git a/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php b/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
index 6627645e..e2b8f853 100644
--- a/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
+++ b/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
@@ -5,6 +5,7 @@
 namespace Rector\DowngradePhp80\Rector\Instanceof_;
 
 use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
 use PhpParser\Node\Expr\Instanceof_;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Scalar\String_;
@@ -28,7 +29,7 @@ public function getRuleDefinition(): RuleDefinition
 
                 ,
                 <<<'CODE_SAMPLE'
-method_exists($obj, '__toString');
+is_object($obj) && method_exists($obj, '__toString');
 CODE_SAMPLE
             ),
         ]);
@@ -45,7 +46,7 @@ public function getNodeTypes(): array
     /**
      * @param Instanceof_ $node
      */
-    public function refactor(Node $node): ?Node
+    public function refactor(Node $node): ?BooleanAnd
     {
         if (! $node->class instanceof FullyQualified) {
             return null;
@@ -55,6 +56,9 @@ public function refactor(Node $node): ?Node
             return null;
         }
 
-        return $this->nodeFactory->createFuncCall('method_exists', [$node->expr, new String_('__toString')]);
+        return new BooleanAnd(
+            $this->nodeFactory->createFuncCall('is_object', [$node->expr]),
+            $this->nodeFactory->createFuncCall('method_exists', [$node->expr, new String_('__toString')])
+        );
     }
 }

From 49c115c444503aba22f5d5bba61dd66b83bf744f Mon Sep 17 00:00:00 2001
From: Abdul Malik Ikhsan <samsonasik@gmail.com>
Date: Sat, 10 May 2025 21:46:17 +0700
Subject: [PATCH 2/2] isobject

---
 .../Fixture/exactly_object_type.php.inc       | 27 +++++++++++++++++++
 .../DowngradeInstanceofStringableRector.php   | 15 +++++++----
 2 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/exactly_object_type.php.inc

diff --git a/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/exactly_object_type.php.inc b/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/exactly_object_type.php.inc
new file mode 100644
index 00000000..807867c2
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector/Fixture/exactly_object_type.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\Instanceof_\DowngradeInstanceofStringableRector\Fixture;
+
+class ExactlyObjectType
+{
+    public function run(object $obj)
+    {
+        return $obj instanceof \Stringable;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\Instanceof_\DowngradeInstanceofStringableRector\Fixture;
+
+class ExactlyObjectType
+{
+    public function run(object $obj)
+    {
+        return method_exists($obj, '__toString');
+    }
+}
+
+?>
diff --git a/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php b/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
index e2b8f853..5cfd892f 100644
--- a/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
+++ b/rules/DowngradePhp80/Rector/Instanceof_/DowngradeInstanceofStringableRector.php
@@ -6,6 +6,7 @@
 
 use PhpParser\Node;
 use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
+use PhpParser\Node\Expr\FuncCall;
 use PhpParser\Node\Expr\Instanceof_;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\Scalar\String_;
@@ -46,7 +47,7 @@ public function getNodeTypes(): array
     /**
      * @param Instanceof_ $node
      */
-    public function refactor(Node $node): ?BooleanAnd
+    public function refactor(Node $node): null|FuncCall|BooleanAnd
     {
         if (! $node->class instanceof FullyQualified) {
             return null;
@@ -56,9 +57,13 @@ public function refactor(Node $node): ?BooleanAnd
             return null;
         }
 
-        return new BooleanAnd(
-            $this->nodeFactory->createFuncCall('is_object', [$node->expr]),
-            $this->nodeFactory->createFuncCall('method_exists', [$node->expr, new String_('__toString')])
-        );
+        $nativeExprType = $this->nodeTypeResolver->getNativeType($node->expr);
+        $funcCall = $this->nodeFactory->createFuncCall('method_exists', [$node->expr, new String_('__toString')]);
+
+        if ($nativeExprType->isObject()->yes()) {
+            return $funcCall;
+        }
+
+        return new BooleanAnd($this->nodeFactory->createFuncCall('is_object', [$node->expr]), $funcCall);
     }
 }