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SitePoint PHP Blog: Command Buses Demystified: A Look at the Tactician Package

SitePoint PHP Blog: Command Buses Demystified: A Look at the Tactician Package

On the SitePoint PHP blog there’s a tutorial posted that wants to help demystify the command bus design pattern with the help of the Tactician package, a part of the packages from The PHP League.

Command Buses have been getting a lot of community attention lately. The topic can be quite overwhelming at first when trying to understand all the concepts and terminology, but in essence – what a Command Bus does is actually incredibly simple.

In this article, we’ll take a closer look at variations of the Command Pattern; their components; what a Command Bus is; and an example application using the Tactician package.

The article starts with a look at what the Command Bus design pattern is and where it could be put to use in an application. There’s a bit of sample code showing how to implement a basic bus and the commands it would be used to execute. Their example application uses a "deck of cards" set of actions. They show how to use the Tactician library to build and execute three related commands: CreateDeck, ShuffleDeck and DrawCard. They show you how to build out the pieces you’ll need – the extractor, locator and middleware – and join them all together to execute the commands.

Source: http://www.phpdeveloper.org/news/23599

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Posted Styczeń 28th, 2016 in WEB and PHP Development.

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