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This package contains a really minimalist dependency injection container that can be used to create aliases of instances in existing containers. Alias-container is compatible with container-interop and is meant to be used in conjunction with other containers. By itself, Alias-container does not store any entry. It can only be used to create aliases of instances stored in other containers.

You can use AliasContainer to add support for alias for any container that does not support this feature.


Before using AliasContainer in your project, add it to your composer.json file:

$ ./composer.phar require mouf/alias-container ~1.0

Defining aliases in the container

Creating an alias container is a matter of creating an AliasContainer instance. The AliasContainer class takes 2 parameters:

  • a delegate-lookup container (e.g. the container we will look aliases into)
  • the list of aliases, as an associative array of strings
use Mouf\AliasContainer;
use Interop\Container\ContainerInterface;

$aliasContainer = new AliasContainer($rootContainer, [

The list of entries is an associative array.

  • The key is the identifier of the alias to create
  • The value is the identifier of the entry that will be aliased

Fetching entries from the container

Fetching entries from the container is as simple as calling the get method:

$myInstance = $aliasContainer->get('myAlias');

Adding aliases to the container

You can add new aliases using the set method.

$aliasContainer->set('newAlias', 'myInstance');
Note that it is more efficient to initialize aliases in the container than calling recursively the set method.

Removing aliases from the container

You can add new aliases using the remove method.


Why the need for this package?

This package is part of a long-term effort to bring interoperability between DI containers. The ultimate goal is to make sure that multiple containers can communicate together by sharing entries (one container might use an entry from another container, etc...)

Found a typo? Something is wrong in this documentation? Just fork and edit it!