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[![Latest Stable Version]](https://packagist.org/packages/wikimedia/services) [![License]](https://packagist.org/packages/wikimedia/services) Services ===================== A [PSR-11][]-compliant services framework. Services are created by instantiators (callables), which are usually defined in separate wiring files. Usage ----- ```php $services = new ServiceContainer(); $services->defineService( 'MyService', function ( ServiceContainer $services ) { return new MyService(); } ); $services->loadWiringFiles( [ 'path/to/ServiceWiring.php', ] ); ``` Where `ServiceWiring.php` looks like this: ```php return [ 'MyOtherService' => function ( ServiceContainer $services ) { return new MyOtherService( $services->get( 'MyService' ) ); }, // ... ]; ``` Each instantiator receives the service container as the first argument, from which it may retrieve further services as needed. Additional arguments for each instantiator may be specified when constructing the `ServiceContainer`. Custom subclasses of `ServiceContainer` may offer easier access to certain services: ```php class MyServiceContainer extends ServiceContainer { public function getMyService(): MyService { return $this->get( 'MyService' ); } public function getMyOtherService(): MyOtherService { return $this->get( 'MyOtherService' ); } } // ServiceWiring.php return [ 'MyOtherService' => function ( MyServiceContainer $services ) { return new MyOtherService( $services->getMyService() ); }, ]; ``` Running tests ------------- composer install --prefer-dist composer test History ------- This library was first introduced in [MediaWiki 1.27][] ([I3c25c0ac17][]). It was split out of the MediaWiki codebase and published as an independent library during the [MediaWiki 1.33][] and [MediaWiki 1.34][] development cycles. --- [PSR-11]: https://www.php-fig.org/psr/psr-11/ [MediaWiki 1.27]: https://www.mediawiki.org/wiki/MediaWiki_1.27 [I3c25c0ac17]: https://gerrit.wikimedia.org/r/264403 [MediaWiki 1.33]: https://www.mediawiki.org/wiki/MediaWiki_1.33 [MediaWiki 1.34]: https://www.mediawiki.org/wiki/MediaWiki_1.34 [Latest Stable Version]: https://poser.pugx.org/wikimedia/services/v/stable.svg [License]: https://poser.pugx.org/wikimedia/services/license.svg
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