[PropertyAccess] Fix accessing public property in Object

PropertyAccessor.php

@@ -470,7 +470,7 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
                         throw $e;
                     }
                 } elseif (PropertyReadInfo::TYPE_PROPERTY === $type) {
-                    if ($access[self::ACCESS_REF] && !isset($object->$name) && !\array_key_exists($name, (array) $object) && (\PHP_VERSION_ID < 70400 || !(new \ReflectionProperty($class, $name))->hasType())) {
+                    if ($access->canBeReference() && !isset($object->$name) && !\array_key_exists($name, (array) $object) && (\PHP_VERSION_ID < 70400 || !(new \ReflectionProperty($class, $name))->hasType())) {
                         throw new UninitializedPropertyException(sprintf('The property "%s::$%s" is not initialized.', $class, $name));
                     }
 
@@ -491,7 +491,7 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
 
                 throw $e;
             }
-        } elseif ($object instanceof \stdClass && property_exists($object, $property)) {
+        } elseif (property_exists($object, $property) && \array_key_exists($property, (array) $object)) {
             $result[self::VALUE] = $object->$property;
             if (isset($zval[self::REF])) {
                 $result[self::REF] = &$object->$property;

Tests/PropertyAccessorTest.php

@@ -964,7 +964,7 @@ public function testGetPrivateProperty()
         $object = new TestPublicPropertyGetterOnObject();
 
         $this->expectException(NoSuchPropertyException::class);
-        $this->expectExceptionMessageMatches('/.*Neither the property "b" nor one of the methods/');
+        $this->expectExceptionMessageMatches('/.*Can\'t get a way to read the property "b" in class "Symfony\\\Component\\\PropertyAccess\\\Tests\\\Fixtures\\\TestPublicPropertyGetterOnObject./');
         $this->propertyAccessor->getValue($object, 'b');
     }
 
@@ -977,6 +977,15 @@ public function testGetDynamicPublicProperty()
         $this->assertSame($value, $this->propertyAccessor->getValue($object, $path));
     }
 
+    public function testGetDynamicPublicPropertyWithMagicGetterDisallow()
+    {
+        $object = new TestPublicPropertyGetterOnObjectMagicGet();
+        $propertyAccessor = new PropertyAccessor(PropertyAccessor::DISALLOW_MAGIC_METHODS);
+
+        $this->expectException(NoSuchPropertyException::class);
+        $propertyAccessor->getValue($object, 'c');
+    }
+
     public function testGetDynamicPublicPropertyWithMagicGetterAllow()
     {
         $value = 'B';