From 00023cc3decbb39eabf6c8fc6aece5dd35ef165c Mon Sep 17 00:00:00 2001
From: Yurun <admin@yurunsoft.com>
Date: Sun, 19 Jul 2026 08:55:16 +0800
Subject: [PATCH] =?UTF-8?q?fix(compiler):=20=E6=8B=92=E7=BB=9D=E6=89=80?=
 =?UTF-8?q?=E6=9C=89$$=E8=AF=AD=E6=B3=95=E8=80=8C=E9=9D=9E=E4=BB=85?=
 =?UTF-8?q?=E7=89=B9=E5=AE=9A=E8=A1=A8=E8=BE=BE=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 phpunit/code/variable-variable-arraydim.php | 8 ++++++++
 phpunit/src/VariableVariableTest.php        | 9 +++++++++
 src/CompilerBase.php                        | 2 +-
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 phpunit/code/variable-variable-arraydim.php
 create mode 100644 phpunit/src/VariableVariableTest.php

diff --git a/phpunit/code/variable-variable-arraydim.php b/phpunit/code/variable-variable-arraydim.php
new file mode 100644
index 00000000..9a5db13f
--- /dev/null
+++ b/phpunit/code/variable-variable-arraydim.php
@@ -0,0 +1,8 @@
+<?php
+
+function variable_variable_with_array_dim(): void
+{
+    $foo = ['bar' => 'hello'];
+    ${$foo['bar']} = 'world';
+    echo $hello;
+}
diff --git a/phpunit/src/VariableVariableTest.php b/phpunit/src/VariableVariableTest.php
new file mode 100644
index 00000000..f3ae8102
--- /dev/null
+++ b/phpunit/src/VariableVariableTest.php
@@ -0,0 +1,9 @@
+<?php
+
+class VariableVariableTest extends \BaseTest
+{
+    public function testVariableVariableWithArrayDimThrowsUnsupportedError(): void
+    {
+        $this->exec('The `$$` syntax is not supported', 'variable-variable-arraydim.php');
+    }
+}
diff --git a/src/CompilerBase.php b/src/CompilerBase.php
index 074a1517..6381503d 100644
--- a/src/CompilerBase.php
+++ b/src/CompilerBase.php
@@ -1273,7 +1273,7 @@ class CompilerBase implements PropertyAccessContext
 
     protected function parseVariable(Variable $expr): string
     {
-        if (is_object($expr->name) and $this->isVarExpr($expr->name)) {
+        if (is_object($expr->name)) {
             $this->fatalError($expr, 'The `$$` syntax is not supported');
         }
         if ($this->isSuperGlobal($expr->name)) {