fix ContainerProxy does not clones wrapped container on its own clo…

…ning

CHANGELOG.md

@@ -1,6 +1,12 @@
 Yii1 Dependency Injection extension
 ===================================
 
+1.0.1 Under Development
+-----------------------
+
+- Bug: Fixed `ContainerProxy` does not clones wrapped container on its own cloning (klimov-paul)
+
+
 1.0.0, July 28, 2023
 --------------------
 

src/external/ContainerProxy.php

@@ -170,6 +170,17 @@ public function __unset($name)
         unset($this->container->$name);
     }
 
+    /**
+     * Clones wrapped container instance.
+     * Do not call this method. This is a PHP magic method that invoked automatically after object has been cloned.
+     *
+     * @since 1.0.1
+     */
+    public function __clone()
+    {
+        $this->container = clone $this->container;
+    }
+
     /**
      * Creates new self instance.
      * This method can be useful when writing chain methods calls.

tests/external/ContainerProxyTest.php

@@ -86,4 +86,26 @@ public function testCallbackForGet(): void
         $object = $proxy->get('any');
         $this->assertNull($object);
     }
+
+    /**
+     * @depends testForwardCall
+     */
+    public function testClone(): void
+    {
+        $container = new Container();
+
+        $proxy = new ContainerProxy($container);
+
+        $proxy->instance('before-clone', 'before-clone-data');
+
+        $proxyClone = clone $proxy;
+
+        $proxyClone->instance('after-clone', 'after-clone-data');
+
+        $this->assertTrue($proxyClone->has('before-clone'));
+        $this->assertTrue($proxyClone->has('after-clone'));
+
+        $this->assertTrue($proxy->has('before-clone'));
+        $this->assertFalse($proxy->has('after-clone'));
+    }
 }