From ffe9d5bd027b033bbc00656aef5f6ae311a14a7f Mon Sep 17 00:00:00 2001
From: lazerg <lazerg2@gmail.com>
Date: Tue, 22 Sep 2026 16:21:45 +0500
Subject: [PATCH 1/2] Fix GH-23842: skipLazyInitialization() copies unresolved
 constant defaults

---
 NEWS                                 |  4 ++++
 Zend/tests/lazy_objects/gh23842.phpt | 29 ++++++++++++++++++++++++++++
 ext/reflection/php_reflection.c      |  2 +-
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 Zend/tests/lazy_objects/gh23842.phpt

diff --git a/NEWS b/NEWS
index a37bfa30e4bc..f17cbe9efd8d 100644
--- a/NEWS
+++ b/NEWS
@@ -64,6 +64,10 @@ PHP                                                                        NEWS
   . Fixed a heap over-read in the interactive shell prompt when cli.prompt is
     set to an empty string. (Ilia Alshanetsky)
 
+- Reflection:
+  . Fixed bug GH-23842 (ReflectionProperty::skipLazyInitialization() copies an
+    unresolved constant default with opcache). (Lazizbek Ergashev)
+
 - Sockets:
   . Fixed socket_select() silently truncating sets larger than FD_SETSIZE on
     Windows. (David Carlier)
diff --git a/Zend/tests/lazy_objects/gh23842.phpt b/Zend/tests/lazy_objects/gh23842.phpt
new file mode 100644
index 000000000000..18ceea7e6ebf
--- /dev/null
+++ b/Zend/tests/lazy_objects/gh23842.phpt
@@ -0,0 +1,29 @@
+--TEST--
+GH-23842: skipLazyInitialization() copies an unresolved constant default with opcache
+--EXTENSIONS--
+opcache
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+--FILE--
+<?php
+
+class Currency {
+    public const string EUR = 'EUR';
+}
+
+class Product {
+    public string $currency = Currency::EUR;
+}
+
+$reflector = new ReflectionClass(Product::class);
+$product = $reflector->newLazyGhost(function () {
+    throw new \Exception('initializer');
+});
+$reflector->getProperty('currency')->skipLazyInitialization($product);
+
+var_dump($product->currency);
+
+?>
+--EXPECT--
+string(3) "EUR"
diff --git a/ext/reflection/php_reflection.c b/ext/reflection/php_reflection.c
index c7b15c63a0c5..2c94a6e80d18 100644
--- a/ext/reflection/php_reflection.c
+++ b/ext/reflection/php_reflection.c
@@ -6461,7 +6461,7 @@ ZEND_METHOD(ReflectionProperty, skipLazyInitialization)
 		RETURN_THROWS();
 	}
 
-	zval *src = &object->ce->default_properties_table[OBJ_PROP_TO_NUM(prop->offset)];
+	zval *src = &CE_DEFAULT_PROPERTIES_TABLE(object->ce)[OBJ_PROP_TO_NUM(prop->offset)];
 	zval *dst = OBJ_PROP(object, prop->offset);
 
 	if (!(Z_PROP_FLAG_P(dst) & IS_PROP_LAZY)) {

From d6ce8bdd51f77fd341e6e2b939d38b91551f189e Mon Sep 17 00:00:00 2001
From: lazerg <lazerg2@gmail.com>
Date: Tue, 22 Sep 2026 16:29:45 +0500
Subject: [PATCH 2/2] Credit the reporter and pin opcache.file_cache_only in
 the GH-23842 test

---
 Zend/tests/lazy_objects/gh23842.phpt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Zend/tests/lazy_objects/gh23842.phpt b/Zend/tests/lazy_objects/gh23842.phpt
index 18ceea7e6ebf..fe791dde685b 100644
--- a/Zend/tests/lazy_objects/gh23842.phpt
+++ b/Zend/tests/lazy_objects/gh23842.phpt
@@ -1,10 +1,13 @@
 --TEST--
 GH-23842: skipLazyInitialization() copies an unresolved constant default with opcache
+--CREDITS--
+DirkTrunkstar
 --EXTENSIONS--
 opcache
 --INI--
 opcache.enable=1
 opcache.enable_cli=1
+opcache.file_cache_only=0
 --FILE--
 <?php