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Example code of corviz/di-container

Informations about the package di-container

di-container

A simple yet powerful container with auto wiring

Installation

Usage

Here are some common scenarios you will meet when using container + dependency injection

For these examples, we will assume the following classes:

Retrieve a new instance from container

Note that no previous declaration was required!

Auto-wiring and parameter types

What if we need a new instance of B?

Because we declared a parameter with type "A" in the constructor, and it is a class, our container will try to create a new instance automatically. This is done though Reflection.

If we needed to receive a primitive type as parameter, we have to declare a default value otherwise the container will throw a ContainerException, since it can't guess how to fill it.

Manual setup

You may want to set some objects manually in some particular cases. To do so, simply use 'set' method.

Aliases

If we want to alias something, all we have to do is set it in our container as usual

Singletons

When we want to access the same object through the entire execution, all we have to do is use 'setSingleton'. It accepts the same definition variants as 'set'. In other words, you may use the class name, a constructor closure or an object instance.

Invoking methods

Let's assume the following class:

All versions of di-container with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
psr/container Version ^2.0
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