Example of a piece of code that REQUIRES by-ref property copying (in a safe way)

create-shadow-object-copy.php

    /**
     * @override constructor to setup interceptors
     *
     * @param \ProxyManagerTestAsset\ClassWithMixedTypedProperties $localizedObject
     * @param \Closure[] $prefixInterceptors method interceptors to be used before
     * method logic
     * @param \Closure[] $suffixInterceptors method interceptors to be used before
     * method logic
     */
    private function bindProxyProperties(\ProxyManagerTestAsset\ClassWithMixedTypedProperties $localizedObject, array $prefixInterceptors = array(), array $suffixInterceptors = array())
    {
        $this->publicProperty0 = & $localizedObject->publicProperty0;

        $this->publicProperty1 = & $localizedObject->publicProperty1;

        $this->publicProperty2 = & $localizedObject->publicProperty2;

        $this->protectedProperty0 = & $localizedObject->protectedProperty0;

        $this->protectedProperty1 = & $localizedObject->protectedProperty1;

        $this->protectedProperty2 = & $localizedObject->protectedProperty2;

        \Closure::bind(function () use ($localizedObject) {
            $this->privateProperty0 = & $localizedObject->privateProperty0;
        }, $this, 'ProxyManagerTestAsset\\ClassWithMixedTypedProperties')->__invoke();

        \Closure::bind(function () use ($localizedObject) {
            $this->privateProperty1 = & $localizedObject->privateProperty1;
        }, $this, 'ProxyManagerTestAsset\\ClassWithMixedTypedProperties')->__invoke();

        \Closure::bind(function () use ($localizedObject) {
            $this->privateProperty2 = & $localizedObject->privateProperty2;
        }, $this, 'ProxyManagerTestAsset\\ClassWithMixedTypedProperties')->__invoke();

        $this->methodPrefixInterceptors574a3ae5469d4737887248 = $prefixInterceptors;
        $this->methodSuffixInterceptors574a3ae5469e2927605633 = $suffixInterceptors;
    }