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copied!<p>I have some problems understanding why service factory should not work on your case. Do you need to return different service class unrelated to each other?</p> <p>What I see from the factory example is that you could do something like this:</p> <pre><code>class NewsletterFactory { public function __constructor(...) { // Receive arguments needed to create the service below } public function get() { // Say the variable $userInput exists and is derived from constructor if ($userInput === 'string') return new NewsletterManager($dynamicArgument1); if ($userInput === 'integer') return new AnotherNewsletterManager($dynamicArgument2); return new DefaultNewsletterManager(); } } </code></pre> <p>Now, if this doesn't fit your needs. You can also create a service say <code>CustomFactory</code> that returns what you need. What is returned is not directly a service, so you can do whatever you want. But this would prevent you from requesting the objects created by <code>CustomFactory</code> from the dependency container.</p> <p>Similar to that is the <a href="https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Form/FormFactory.php" rel="nofollow">FormFactory</a>. It is the factory used to instantiate form type. But the <code>FormFactory</code> is more powerfull since it is coupled with a dependency injection tag and a compiler pass, which register each types into the dependency injection system so they can be retrieved on their own. I don't exactly all the internals of the <code>Form</code> component but I think it could solve your problem if other methods do not.</p> <p>Regards,<br/> Matt</p>

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