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Example code of minusfour/phpdicontainer

Informations about the package phpdicontainer

phpDIContainer

Very simple Dependency Injector Container.

Installing

You can install it through composer. Through the CLI:

Don't forget to add the autoloader to your bootstrap file:

How to use

Start by specifying the class namespace:

Instantiate the container.

Register an injector. Assuming class A depends on class B.

And register the injector dependencies. In this case B.

To resolve a class, all you need to do is:

It will instantiate A and inject its dependencies through their injectors.

Note

The injector constructor takes three parameters. The first parameter must be the name of the class (or dependency), the third parameter is an array containing a list of dependencies (names must match first parameter). The second parameter is an anonymous function that takes one parameter, the dependencies as an array of objects and is responsible for both instantiation and dependency injection.

The injector implementation borrows from pimple examples, mostly the anonymous function idea.

Exceptions note

$container->resolve() is responsible for throwing 2 kind of exceptions: MinusFour\DIContainer\InjectorNotFoundException and MinusFour\DIContainer\DependencyUnmetException. First only occurs if there's no injector for said class, second one is thrown when the container fails to find the injector of the dependency.

All versions of phpdicontainer with dependencies

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Requires php Version >=5.3
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