From a1311b8bc2f0853258ef910f931027ccd28e8f9f Mon Sep 17 00:00:00 2001
From: Arnaud Le Blanc <lbarnaud@php.net>
Date: Mon, 11 Aug 2008 22:39:42 +0000
Subject: [PATCH] MFH: Fixed #45181 (chdir() should clear relative entries in
 stat cache)

---
 ext/standard/dir.c                    | 10 ++++++++++
 ext/standard/tests/file/bug45181.phpt | 16 ++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 ext/standard/tests/file/bug45181.phpt

diff --git a/ext/standard/dir.c b/ext/standard/dir.c
index c8f1ae731b..ad0f5037cb 100644
--- a/ext/standard/dir.c
+++ b/ext/standard/dir.c
@@ -26,6 +26,7 @@
 #include "php_dir.h"
 #include "php_string.h"
 #include "php_scandir.h"
+#include "basic_functions.h"
 
 #ifdef HAVE_DIRENT_H
 #include <dirent.h>
@@ -329,6 +330,15 @@ PHP_FUNCTION(chdir)
 		RETURN_FALSE;
 	}
 
+	if (BG(CurrentStatFile) && !IS_ABSOLUTE_PATH(BG(CurrentStatFile), strlen(BG(CurrentStatFile)))) {
+		efree(BG(CurrentStatFile));
+		BG(CurrentStatFile) = NULL;
+	}
+	if (BG(CurrentLStatFile) && !IS_ABSOLUTE_PATH(BG(CurrentLStatFile), strlen(BG(CurrentLStatFile)))) {
+		efree(BG(CurrentLStatFile));
+		BG(CurrentLStatFile) = NULL;
+	}
+
 	RETURN_TRUE;
 }
 /* }}} */
diff --git a/ext/standard/tests/file/bug45181.phpt b/ext/standard/tests/file/bug45181.phpt
new file mode 100644
index 0000000000..d64fa89937
--- /dev/null
+++ b/ext/standard/tests/file/bug45181.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #45181 (chdir() should clear relative entries in stat cache)
+--FILE--
+<?php
+mkdir("bug45181_x");
+var_dump(is_dir("bug45181_x"));
+chdir("bug45181_x");
+var_dump(is_dir("bug45181_x"));
+?>
+--CLEAN--
+<?php
+rmdir("bug45181_x");
+?>
+--EXPECT--
+bool(true)
+bool(false)
-- 
2.50.1