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<?php
/**
* Interface ServiceContainer.
*
* @package AmpProject\AmpWP
*/
namespace AmpProject\AmpWP\Infrastructure;
use AmpProject\AmpWP\Exception\InvalidService;
use ArrayAccess;
use Countable;
use Traversable;
/**
* The service container collects all services to manage them.
*
* This is based on PSR-11 and should extend that one if Composer dependencies
* are being used. Relying on a standardized interface like PSR-11 means you'll
* be able to easily swap out the implementation for something else later on.
*
* @see https://www.php-fig.org/psr/psr-11/
* @since 2.0
* @internal
*/
interface ServiceContainer extends Traversable, Countable, ArrayAccess {
/**
* Find a service of the container by its identifier and return it.
*
* @param string $id Identifier of the service to look for.
*
* @throws InvalidService If the service could not be found.
*
* @return Service Service that was requested.
*/
public function get( $id );
/**
* Check whether the container can return a service for the given
* identifier.
*
* @param string $id Identifier of the service to look for.
*
* @return bool
*/
public function has( $id );
/**
* Put a service into the container for later retrieval.
*
* @param string $id Identifier of the service to put into the
* container.
* @param Service $service Service to put into the container.
*/
public function put( $id, Service $service );
}
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