Yii vs Slim Web Framework: What to Expect and Choose?

Difference between yii framework and slim web framework

Yii framework strongly comes across as a free and open-source web application development framework written in PHP 5 language. It leverages rapid development by promoting clean and dry design. Initially, it was released in 2008, due to which it’s said to be one of the oldest PHP frameworks. Furthermore, with the release of Yii 2.0, it’s on track to become a top priority for developing an enterprise based web application. Whereas, slim framework, on the other hand, is one most of the most popular and best in class middleware architecture. In general, slim framework is an open-source micro framework best suited for building simple applications or API’S. It remains the core of the application around which other codes can be written to create a fully functional web application. Though it may give an impression of comparing apples to oranges, we wish to list down some valuable information on both frameworks under some commonly searched aspects.


In Yii framework, each and every single methods or property is documented perfectly. Also, a substantial amount of tutorial is there and on the rise to help you out. Easily, it’s one of the best documentation you will ever see. In the same way, a detailed documentation is available for slim as well. Knowing how simple yet efficient slim can be, this presents an opportunity for beginners to master it in no time.

Dependency Injection:

Both frameworks provide scope for dependency injection. In slim it’s achieved through a purposely made container to construct, manage and inject dependencies. Likewise, in Yii framework, you have a similar container supporting various dependency injection like constructor injection, method injection, PHP callable injection, and setter & property injection.

Speed and Performance:

If speed is taken or considered as the metric to define performance, then undoubtedly slim comes out on top, it’s a micro framework and one would expect it to be faster. So how really to measure speed here? Usually, it’s done through RPS (Request per second) giving an indication of how many requests an application made from a framework can process in a second. Of course, performance alone isn’t the deciding factor, as it boils down to what’s your choices and preferences are.

Error Handling:

There are a sufficient number of error handling mechanisms in slim framework. Each of those error handlers receives PHP exceptions which are uncaught. Yii framework provides an error handling mechanism based on PHP 5 exceptions. On the whole, the comparison over this part seems pretty even.

Community Support:

Both for slim and Yii there seems to be a plenty of options to get issues sorted and seek clarification. With Yii 2 also being launched, their community is really helpful and active. At the same time, one can’t just rule out the kind of support that has been formed around slim. It’s even getting better with an increase in the number of collaborators and contributors. They don’t have any other choice, do they? It has to be expanded after the upsurge of Slim web development company and Yii development company.

Final Words:

As said earlier, it’s really difficult to arrive at a conclusion declaring either one as the winner. They are tools belonging to different groups intended to solve different purposes and they stay the same. But one thing is for sure, after analyzing your requirements, if you settle for any one of these you won’t be disappointed.

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