Merge branch 'PHP-7.0'

Conflicts:
	ext/reflection/php_reflection.c

ext/reflection/php_reflection.c

@@ -5649,9 +5649,16 @@ ZEND_METHOD(reflection_property, getValue)
 		}
 
 		zend_unmangle_property_name_ex(ref->prop.name, &class_name, &prop_name, &prop_name_len);
-		member_p = zend_read_property(ref->ce, object, prop_name, prop_name_len, 1, &rv);
-		ZVAL_DEREF(member_p);
-		ZVAL_COPY(return_value, member_p);
+		member_p = zend_read_property(ref->ce, object, prop_name, prop_name_len, 0, &rv);
+		if (member_p != &rv) {
+			ZVAL_DEREF(member_p);
+			ZVAL_COPY(return_value, member_p);
+		} else {
+			if (Z_ISREF_P(member_p)) {
+				zend_unwrap_reference(member_p);
+			}
+			ZVAL_COPY_VALUE(return_value, member_p);
+		}
 	}
 }
 /* }}} */

ext/reflection/tests/ReflectionProperty_getValue_error.phpt

@@ -78,4 +78,6 @@ Protected property:
 Cannot access non-public member TestClass::prot
 
 Instance without property:
+
+Notice: Undefined property: AnotherClass::$pub2 in %s on line %d
 NULL

ext/reflection/tests/bug72174.phpt

@@ -0,0 +1,36 @@
+--TEST--
+Bug #72174: ReflectionProperty#getValue() causes __isset call
+--FILE--
+<?php
+
+class Foo
+{
+    private $bar;
+
+    public function __construct()
+    {
+        unset($this->bar);
+    }
+
+    public function __isset($name)
+    {
+        var_dump(__METHOD__);
+        return true;
+    }
+    
+    public function __get($name)
+    {
+        var_dump(__METHOD__);
+        return $name;
+    }
+}
+
+$instance = new Foo();
+$reflectionBar = (new ReflectionProperty(Foo::class, 'bar'));
+$reflectionBar->setAccessible(true);
+var_dump($reflectionBar->getValue($instance));
+
+?>
+--EXPECT--
+string(10) "Foo::__get"
+string(3) "bar"