fix downgrade array spread

Author: samsonasik

rules/DowngradePhp81/NodeFactory/ArrayMergeFromArraySpreadFactory.php

@@ -13,7 +13,6 @@
 use PhpParser\Node\Expr\Variable;
 use PhpParser\Node\Name;
 use PHPStan\Analyser\MutatingScope;
-use PHPStan\Type\ArrayType;
 use PHPStan\Type\IterableType;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\Type;
@@ -85,7 +84,7 @@ private function createArrayMergeFuncCall(array $arrayItems, MutatingScope $muta
                 return $this->createArgFromSpreadArrayItem($mutatingScope, $arrayItem);
             }
 
-            return new Arg($arrayItem);
+            return new Arg($arrayItem->value);
         }, $arrayItems);
 
         return new FuncCall(new Name('array_merge'), $args);
@@ -121,13 +120,13 @@ private function createArgFromSpreadArrayItem(MutatingScope $mutatingScope, Arra
             }
         }
 
-        $iteratorToArrayFuncCall = new FuncCall(new Name('iterator_to_array'), [new Arg($arrayItem)]);
+        $iteratorToArrayFuncCall = new FuncCall(new Name('iterator_to_array'), [new Arg($arrayItem->value)]);
 
         // If we know it is an array, then print it directly
         // Otherwise PHPStan throws an error:
         // "Else branch is unreachable because ternary operator condition is always true."
-        if ($type instanceof ArrayType) {
-            return new Arg($arrayItem);
+        if ($type->isArray()->yes()) {
+            return new Arg($arrayItem->value);
         }
 
         // If it is iterable, then directly return `iterator_to_array`
@@ -136,8 +135,8 @@ private function createArgFromSpreadArrayItem(MutatingScope $mutatingScope, Arra
         }
 
         // Print a ternary, handling either an array or an iterator
-        $inArrayFuncCall = new FuncCall(new Name('is_array'), [new Arg($arrayItem)]);
-        return new Arg(new Ternary($inArrayFuncCall, $arrayItem, $iteratorToArrayFuncCall));
+        $inArrayFuncCall = new FuncCall(new Name('is_array'), [new Arg($arrayItem->value)]);
+        return new Arg(new Ternary($inArrayFuncCall, $arrayItem->value, $iteratorToArrayFuncCall));
     }
 
     /**

rules/DowngradePhp81/Rector/Array_/DowngradeArraySpreadStringKeyRector.php

@@ -4,6 +4,7 @@
 
 namespace Rector\DowngradePhp81\Rector\Array_;
 
+use PHPStan\Type\Constant\ConstantArrayType;
 use PhpParser\Node;
 use PhpParser\Node\ArrayItem;
 use PhpParser\Node\Expr\Array_;
@@ -89,10 +90,11 @@ private function shouldSkipArray(Array_ $array): bool
             }
 
             $type = $this->nodeTypeResolver->getType($item->value);
-            if (! $type instanceof ArrayType) {
+            if (! $type->isArray()->yes()) {
                 continue;
             }
 
+            /** @var ArrayType|ConstantArrayType $type */
             $keyType = $type->getKeyType();
             if ($keyType instanceof IntegerType) {
                 return true;