[Php80] Handle param with default value on AddParamBasedOnParentClass…

…MethodRector (#1452)

* Add source with default value

* Add fixture for default value

* Rename fixture

* Fixes #1450

Co-authored-by: Ole Schäfer <ole@customgento.com>

rules-tests/Php80/Rector/ClassMethod/AddParamBasedOnParentClassMethodRector/Fixture/include_default_param_value.php.inc

@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector\Fixture;
+
+use Rector\Tests\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector\Source\ParentWithParamWithDefaultValue;
+
+class IncludeDefaultParamValue extends ParentWithParamWithDefaultValue{
+    public function execute()
+    {
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector\Fixture;
+
+use Rector\Tests\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector\Source\ParentWithParamWithDefaultValue;
+
+class IncludeDefaultParamValue extends ParentWithParamWithDefaultValue{
+    public function execute($foo = true)
+    {
+    }
+}
+
+?>

rules-tests/Php80/Rector/ClassMethod/AddParamBasedOnParentClassMethodRector/Source/ParentWithParamWithDefaultValue.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\ClassMethod\AddParamBasedOnParentClassMethodRector\Source;
+
+class ParentWithParamWithDefaultValue
+{
+    public function execute($foo = true)
+    {
+    }
+}

rules/Php80/Rector/ClassMethod/AddParamBasedOnParentClassMethodRector.php

@@ -5,7 +5,10 @@
 namespace Rector\Php80\Rector\ClassMethod;
 
 use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Expr\ConstFetch;
 use PhpParser\Node\Expr\Variable;
+use PhpParser\Node\Name;
 use PhpParser\Node\Param;
 use PhpParser\Node\Stmt\ClassMethod;
 use PHPStan\Reflection\MethodReflection;
@@ -160,10 +163,17 @@ function (Node $subNode) use ($parentClassMethodParam): bool {
                 return null;
             }
 
+            $paramDefault = $parentClassMethodParam->default;
+
+            if ($paramDefault instanceof Expr) {
+                $printParamDefault = $this->print($paramDefault);
+                $paramDefault = new ConstFetch(new Name($printParamDefault));
+            }
+
             $paramName = $this->nodeNameResolver->getName($parentClassMethodParam);
             $node->params[$key] = new Param(
                 new Variable($paramName),
-                $parentClassMethodParam->default,
+                $paramDefault,
                 $parentClassMethodParam->type,
                 $parentClassMethodParam->byRef,
                 $parentClassMethodParam->variadic,