diff --git a/Zend/tests/gh20177.phpt b/Zend/tests/gh20177.phpt
new file mode 100644
index 0000000000000..fd69460067f97
--- /dev/null
+++ b/Zend/tests/gh20177.phpt
@@ -0,0 +1,25 @@
+--TEST--
+GH-20177: Access overridden private property in get_object_vars()
+--FILE--
+<?php
+
+class A {
+    private $prop = 'A::$prop';
+
+    public function __construct() {
+        var_dump(get_object_vars($this));
+    }
+}
+
+class B extends A {
+    protected $prop = 'B::$prop';
+}
+
+new B;
+
+?>
+--EXPECT--
+array(1) {
+  ["prop"]=>
+  string(8) "A::$prop"
+}
diff --git a/Zend/zend_object_handlers.c b/Zend/zend_object_handlers.c
index 5d1ec65ccda40..17676e8edea48 100644
--- a/Zend/zend_object_handlers.c
+++ b/Zend/zend_object_handlers.c
@@ -566,6 +566,11 @@ ZEND_API zend_result zend_check_property_access(const zend_object *zobj, zend_st
 				return FAILURE;
 			}
 		} else {
+			/* We were looking for a protected property but found a private one
+			 * belonging to the parent class. */
+			if (property_info->flags & ZEND_ACC_PRIVATE) {
+				return FAILURE;
+			}
 			ZEND_ASSERT(property_info->flags & ZEND_ACC_PROTECTED);
 		}
 		return SUCCESS;
diff --git a/ext/standard/tests/streams/bug60602.phpt b/ext/standard/tests/streams/bug60602.phpt
index b3795414e4f19..ae1d65d45bd9e 100644
--- a/ext/standard/tests/streams/bug60602.phpt
+++ b/ext/standard/tests/streams/bug60602.phpt
@@ -9,7 +9,7 @@ $descs = array(
     2 => array('pipe', 'w'), // strerr
 );
 
-$environment = array('test' => array(1, 2, 3));
+$environment = array('test' => array(1, 2, 3), 'PATH' => getenv('PATH'));
 
 $cmd = (substr(PHP_OS, 0, 3) == 'WIN') ? 'dir' : 'ls';
 $p = proc_open($cmd, $descs, $pipes, '.', $environment);
diff --git a/ext/tidy/config.m4 b/ext/tidy/config.m4
index ef1f5878287d0..18fa9acb3d4bd 100644
--- a/ext/tidy/config.m4
+++ b/ext/tidy/config.m4
@@ -81,7 +81,8 @@ if test "$PHP_TIDY" != "no"; then
   ])
   AS_VAR_IF([php_ac_cv_have_tidyoptgetcategory], [yes],
     [AC_DEFINE([HAVE_TIDYOPTGETCATEGORY], [1],
-      [Define to 1 if tidyOptGetCategory is available.])])
+      [Define to 1 if Tidy library has the 'tidyOptGetCategory' function and
+      supports the 'TidyInternalCategory' enumeration.])])
 
   CPPFLAGS=$old_CPPFLAGS
 
diff --git a/ext/tidy/config.w32 b/ext/tidy/config.w32
index a1f93f2976af8..1b2436ac9dfad 100644
--- a/ext/tidy/config.w32
+++ b/ext/tidy/config.w32
@@ -21,6 +21,7 @@ if (PHP_TIDY != "no") {
 		AC_DEFINE('HAVE_TIDY_H', 1, "Define to 1 if you have the <tidy.h> header file.")
 		AC_DEFINE('HAVE_TIDYOPTGETDOC', 1, "Define to 1 if Tidy library has the 'tidyOptGetDoc' function.")
 		AC_DEFINE('HAVE_TIDYRELEASEDATE', 1, "Define to 1 if Tidy library has the 'tidyReleaseDate' function.")
+		AC_DEFINE('HAVE_TIDYOPTGETCATEGORY', 1, "Define to 1 if Tidy library has the 'tidyOptGetCategory' function and supports the 'TidyInternalCategory' enumeration.")
 		ADD_FLAG('CFLAGS_TIDY', '/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1');
 		if (!PHP_TIDY_SHARED) {
 			ADD_DEF_FILE("ext\\tidy\\php_tidy.def");