PoC of Zend\ServiceManager bug

.gitignore

*
!.gitignore
!run.php
!composer.json
!result.txt

composer.json

{
    "name": "adamlundrigan/sm_bug_poc",
    "authors": [
        {
            "name": "Adam Lundrigan",
            "email": "adam@lundrigan.ca"
        }
    ],
    "require": {
        "zendframework/zendframework": "dev-master@dev"
    }
}

result.txt

adam@adampc:/var/www/zf2/sm_bug_poc$ php run.php 
PHP Warning:  assert(): Assertion failed in /var/www/zf2/sm_bug_poc/run.php on line 42
PHP Stack trace:
PHP   1. {main}() /var/www/zf2/sm_bug_poc/run.php:0
PHP   2. assert() /var/www/zf2/sm_bug_poc/run.php:42

run.php

<?php

require_once __DIR__ . '/vendor/autoload.php';

use Zend\ServiceManager\ServiceManager;
use Zend\ServiceManager\Config;

class MyTestService {}

$mainManager = new ServiceManager(
    new Config(
        array(
            'invokables' => array( 'foo_service' => 'MyTestService' ),
            'shared'     => array( 'foo_service' => false ),
        )
    )
);

// Test #1 - Retrieve non-shared service from main SM twice
$obj1 = $mainManager->get('foo_service');
$obj2 = $mainManager->get('foo_service');
assert($obj1 !== $obj2);


// Test #2 - Retrieve non-shared service from child SM twice when peer SM is checked first
$childManager = new ServiceManager(new Config());
$childManager->addPeeringServiceManager($mainManager);
$childManager->setRetrieveFromPeeringManagerFirst(true);

$obj1 = $childManager->get('foo_service');
$obj2 = $childManager->get('foo_service');
assert($obj1 !== $obj2);


// Test #3 - Retrieve non-shared service from child SM twice when peer SM is not checked first
$childManager = new ServiceManager(new Config());
$childManager->addPeeringServiceManager($mainManager);
$childManager->setRetrieveFromPeeringManagerFirst(false);

$obj1 = $childManager->get('foo_service');
$obj2 = $childManager->get('foo_service');
assert($obj1 !== $obj2);