[TypeDeclaration] Handle in inner function on ReturnTypeFromStrictTer…

…naryRector (#5785)

rules-tests/TypeDeclaration/Rector/Class_/ReturnTypeFromStrictTernaryRector/Fixture/in_inner_function.php.inc

@@ -0,0 +1,37 @@
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\Class_\ReturnTypeFromStrictTernaryRector\Fixture;
+
+final class InInnerFunction
+{
+    public function getValue($number)
+    {
+        function foo($number)
+        {
+            return $number ? 100 : 500;
+        }
+
+        echo foo($number);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclaration\Rector\Class_\ReturnTypeFromStrictTernaryRector\Fixture;
+
+final class InInnerFunction
+{
+    public function getValue($number)
+    {
+        function foo($number): int
+        {
+            return $number ? 100 : 500;
+        }
+
+        echo foo($number);
+    }
+}
+
+?>

rules/TypeDeclaration/Rector/Class_/ReturnTypeFromStrictTernaryRector.php

@@ -88,7 +88,7 @@ public function refactorWithScope(Node $node, Scope $scope): ?Node
             return null;
         }
 
-        $returns = $this->betterNodeFinder->findInstanceOf($node->stmts, Return_::class);
+        $returns = $this->betterNodeFinder->findInstancesOfInFunctionLikeScoped($node, Return_::class);
         if (count($returns) !== 1) {
             return null;
         }