From 52fcc86660abb443e49f9e9f35c43d6297907810 Mon Sep 17 00:00:00 2001
From: tianfenghan <rango@swoole.com>
Date: Mon, 1 Jun 2026 19:54:20 +0800
Subject: [PATCH] =?UTF-8?q?feat(php):=20=E6=B7=BB=E5=8A=A0=E5=AF=B9void?=
 =?UTF-8?q?=E7=B1=BB=E5=9E=8B=E6=96=B9=E6=B3=95=E8=B0=83=E7=94=A8=E7=9A=84?=
 =?UTF-8?q?=E6=A3=80=E6=9F=A5?=
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- 在CompilerBase.php中检测接收器类型为void时抛出致命错误
- 为变量表达式方法调用添加void类型检查
- 为命名方法调用添加void类型检查
- 在单元测试中添加void方法调用测试用例
- 创建void方法调用测试代码文件
---
 phpunit/code/void-method-call.php       | 9 +++++++++
 phpunit/src/UniversalMethodCallTest.php | 5 +++++
 src/Php/CompilerBase.php                | 6 ++++++
 3 files changed, 20 insertions(+)
 create mode 100644 phpunit/code/void-method-call.php

diff --git a/phpunit/code/void-method-call.php b/phpunit/code/void-method-call.php
new file mode 100644
index 00000000..b02158b0
--- /dev/null
+++ b/phpunit/code/void-method-call.php
@@ -0,0 +1,9 @@
+<?php
+function bar(): void {
+    var_dump(__FUNCTION__);
+}
+
+function main()
+{
+    var_dump(bar()->toString());
+}
diff --git a/phpunit/src/UniversalMethodCallTest.php b/phpunit/src/UniversalMethodCallTest.php
index 71016eb1..b1e69007 100644
--- a/phpunit/src/UniversalMethodCallTest.php
+++ b/phpunit/src/UniversalMethodCallTest.php
@@ -16,4 +16,9 @@ class UniversalMethodCallTest extends \BaseTest
     {
         $this->exec('Cannot call mutating method `push()` on a non-variable expression', 'universal-method-mutating-expr.php');
     }
+
+    public function testVoidMethodCall()
+    {
+        $this->exec('Cannot call method on void', 'void-method-call.php');
+    }
 }
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index 13a3e17c..da9c7d26 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -5438,6 +5438,9 @@ class CompilerBase extends \PhpAot\Core\Translator
                 } else {
                     $receiverType = $this->detectTypeOfExpr($expr->var);
                 }
+                if ($receiverType === self::TYPE_VOID) {
+                    $this->fatalError($expr->var, 'Cannot call method on void');
+                }
                 if ($methodName === 'toObject') {
                     return $this->genToObjectCall($expr, $object);
                 }
@@ -5479,6 +5482,9 @@ class CompilerBase extends \PhpAot\Core\Translator
         // 表达式返回值也可使用内置方法：fn()->method(), $obj->fn()->method(), Foo::fn()->method(), $obj->prop->method()
         if (!$this->isVarExpr($expr->var) and $this->isNamedMethod($expr->name)) {
             $type = $this->detectTypeOfExpr($expr->var);
+            if ($type === self::TYPE_VOID) {
+                $this->fatalError($expr->var, 'Cannot call method on void');
+            }
             if ($type !== self::TYPE_VAR && !$this->checkArgType($type, self::TYPE_OBJECT)) {
                 $methodName = $expr->name->toString();
                 $fn = $this->findUniversalMethodAnyType($type, $methodName);