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Package container
Short Description Fulcrum DI Container Module - a simple Dependency Injection Container that extends Pimple.
License MIT
Homepage https://github.com/wpfulcrum/container
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Informations about the package container
Container Module
The Fulcrum DI Container Module provides a lean Dependency Injection Container.
The primary purpose of a a DI Container is to manage objects. By passing in a closure that wraps up the creation of objects, using the container, you can:
- Create a new object without having to use
newin your code or having to specify it's dependencies. - Get an object out of the container without having to use Singletons, statics, or globals. WooHoo!
The container also stores datasets. Think of it like a big array where you add values into it by a unique key. Powerful.
Seriously, a DI Container makes you job so much easier. Let it handle:
- Object creation along with all of the object's dependencies.
- Managing objects.
- Storing datasets in memory.
- Retrieving the object or dataset you need.
Functionality
It extends Pimple by providing the following functionality:
has()method to check if a unique key exists in the container.get()method to fetch something out of the container by it's unique key.registerConcrete()method - providing the ability to register a closure.
Installation
The best way to use this component is through Composer:
Basic Usage
Creating Objects
Using the registerConcrete() method, you can register a closure that then handles creating the object and its dependencies.
For example, let's say you have an object that has several dependencies. For example, you are adding a Portfolio custom post type to your project using Fulcrum.
This might be the configuration for that CPT:
Let's stop and notice a few points:
- There are multiple dependencies including:
- a
Configobject - a post type name
- PostTypeSupports` object.
- a
- Everything you need to create the CPT object is wrapped up in that closure.
- The
autoloadparameter is set totrue. Therefore, the object is created immediately upon registering it into the container.
Using the above configuration, it can be registered into the container like this:
Contributing
All feedback, bug reports, and pull requests are welcome.
