From: Sterling Hughes <sterling@php.net>
Date: Mon, 30 Jun 2003 19:11:01 +0000 (+0000)
Subject: Fix bug #24399 from an excellent test case by edin
X-Git-Tag: BEFORE_ARG_INFO~523
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d0bd54ce6a4bf13097f61ca722a8d97ccdec4c27;p=php

Fix bug #24399 from an excellent test case by edin
---

diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index 0447917e7e..ba53261077 100644
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -616,6 +616,9 @@ static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
 	} else {
 		if (only_subclass) {
 			instance_ce = Z_OBJCE_PP(obj)->parent;
+			if (!instance_ce) {
+				RETURN_FALSE;
+			}
 		} else {
 			instance_ce = Z_OBJCE_PP(obj);
 		}