From b5c42440692dd69db9583244265314f1cf05effe Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@php.net>
Date: Wed, 9 Jan 2008 07:57:42 +0000
Subject: Fixed bug #43703 (Signature compatibility check broken)

---
 Zend/tests/bug43703.phpt | 23 +++++++++++++++++++++++
 Zend/zend_compile.c      |  4 ++--
 2 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 Zend/tests/bug43703.phpt

diff --git a/Zend/tests/bug43703.phpt b/Zend/tests/bug43703.phpt
new file mode 100644
index 0000000000..de4f8a89fd
--- /dev/null
+++ b/Zend/tests/bug43703.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Bug #43703 (Signature compatibility check broken)
+--FILE--
+<?php
+class JoinPoint
+{
+}
+
+abstract class Pointcut
+{
+    abstract public function evaluate(JoinPoint $joinPoint);
+}
+
+class Read extends Pointcut
+{
+    public function evaluate(Joinpoint $joinPoint)
+    {
+    }
+}
+?>
+DONE
+--EXPECT--
+DONE
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 4894e2639f..c5d061ede3 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -2293,13 +2293,13 @@ static zend_bool zend_do_perform_implementation_check(zend_function *fe, zend_fu
 			return 0;
 		}
 		if (fe->common.arg_info[i].class_name
-			&& strcmp(fe->common.arg_info[i].class_name, proto->common.arg_info[i].class_name)!=0) {
+			&& strcasecmp(fe->common.arg_info[i].class_name, proto->common.arg_info[i].class_name)!=0) {
 			char *colon;
 
 			if (fe->common.type == ZEND_USER_FUNCTION &&
 			    strchr(proto->common.arg_info[i].class_name, ':') == NULL &&
 			    (colon = zend_memrchr(fe->common.arg_info[i].class_name, ':', fe->common.arg_info[i].class_name_len)) != NULL &&
-			    strcmp(colon+1, proto->common.arg_info[i].class_name) == 0) {
+			    strcasecmp(colon+1, proto->common.arg_info[i].class_name) == 0) {
 				efree((char*)fe->common.arg_info[i].class_name);
 				fe->common.arg_info[i].class_name = estrndup(proto->common.arg_info[i].class_name, proto->common.arg_info[i].class_name_len);
 				fe->common.arg_info[i].class_name_len = proto->common.arg_info[i].class_name_len;
-- 
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