From ad8aa49f065a6563da73090d1a3f228719c072f9 Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@php.net>
Date: Wed, 8 Aug 2007 13:32:58 +0000
Subject: [PATCH] Fixed bug #42211 (property_exists() fails to find protected
 properties from a parent class)

---
 Zend/tests/bug42211.phpt      | 30 ++++++++++++++++++++++++++++++
 Zend/zend_builtin_functions.c |  3 ++-
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 Zend/tests/bug42211.phpt

diff --git a/Zend/tests/bug42211.phpt b/Zend/tests/bug42211.phpt
new file mode 100644
index 0000000000..e9f2a1e212
--- /dev/null
+++ b/Zend/tests/bug42211.phpt
@@ -0,0 +1,30 @@
+--TEST--
+Bug #42211 (property_exists() fails to find protected properties from a parent class)
+--FILE--
+<?php
+class A {
+    function foo() {
+        var_dump(property_exists('B', 'publicBar'));
+        var_dump(property_exists('B', 'protectedBar'));
+        var_dump(property_exists('B', 'privateBar'));
+    }
+}
+
+class B extends A {
+    static public $publicBar = "ok";
+    static protected $protectedBar = "ok";
+    static private $privateBar = "fail";
+}
+
+$a = new A();
+$a->foo();
+$b = new B();
+$b->foo();
+--EXPECT--
+bool(true)
+bool(false)
+bool(false)
+bool(true)
+bool(true)
+bool(false)
+
diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index e89552bbcc..976c713090 100644
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -1014,7 +1014,8 @@ ZEND_FUNCTION(property_exists)
 		}
 		zend_u_unmangle_property_name(Z_TYPE_PP(property), property_info->name, property_info->name_length, &class_name, &prop_name);
 		if (class_name.s[0] ==  '*') {
-			if (instanceof_function(EG(scope), ce TSRMLS_CC)) {
+			if (instanceof_function(EG(scope), ce TSRMLS_CC) ||
+				(EG(This) && instanceof_function(Z_OBJCE_P(EG(This)), ce TSRMLS_CC))) {
 				RETURN_TRUE;
 			}
 			RETURN_FALSE;
-- 
2.40.0