1. Kirill chEbba Chebunin [email_address] Symfony Service Container. Inject me, my friend.

3. Don't call us, we'll call you Service Container. Theory Kirill chEbba Chebunin

7. IoC Container Service Container. Theory Kirill chEbba Chebunin

8. Symfony2 Service Container = IoC Container Service Container. Implementation Kirill chEbba Chebunin

9. Service Definition Service Container. Implementation Kirill chEbba Chebunin <service id= &quot;monolog.logger.event&quot; class= &quot;%logger.class%&quot; > <argument>event</argument> <call method= &quot;pushHandler&quot; > <argument type= &quot;service&quot; id= &quot;monolog.handler.main&quot; /> </call> <call method= &quot;pushHandler&quot; > <argument type= &quot;service&quot; id= &quot;monolog.handler.firephp&quot; /> </call> <call method= &quot;pushHandler&quot; > <argument type= &quot;service&quot; id= &quot;monolog.handler.debug&quot; /> </call> </service>

10. Constructor Injection Service Container. Implementation Kirill chEbba Chebunin class IdentityTranslator implements TranslatorInterface { public function __construct ( MessageSelector $selector ) { /**/ } } <service id= &quot;translator&quot; class= &quot;SymfonyomponentranslationdentityTranslator&quot; > <argument type= &quot;service&quot; id= &quot;translator.selector&quot; /> </service>

11. Setter Injection Service Container. Implementation Kirill chEbba Chebunin class Configuration { public function setSQLLogger ( SQLLogger $logger = null ) { /**/ } } <service class= &quot;DoctrineBALonfiguration&quot; > <call method= &quot;setSQLLogger&quot; > <argument type= &quot;service&quot; id= &quot;doctrine.dbal.logger&quot; /> </call> </service>

12. Dynamic Service Locator Service Container. Implementation Kirill chEbba Chebunin public function some () { $this -> container -> get ( 'logger' ); }

15. Custom scope Service Container. Implementation Kirill chEbba Chebunin $this -> container -> enterScope ( 'request' ); $this -> container -> set ( 'request' , $request , 'request' ); try { $response = parent :: handle ( $request , $type , $catch ); } catch ( xception $e ) { $this -> container -> leaveScope ( 'request' ); throw $e ; } $this -> container -> leaveScope ( 'request' );

16. Advanced Features Service Container. Advanced Kirill chEbba Chebunin

17. Extensions Service Container. Advanced Kirill chEbba Chebunin

18. Extensions Service Container. Advanced Kirill chEbba Chebunin doctrine: dbal: driver: % database_driver % host: % database_host % port: % database_port % dbname: % database_name % user: % database_user % password: % database_password % charset: UTF8

19. Extensions Service Container. Advanced Kirill chEbba Chebunin interface ExtensionInterface { /* … */ function load ( array $config , ContainerBuilder $container ); /* … */ }

21. Compiler Passes Service Container. Advanced Kirill chEbba Chebunin

22. Compiler Pass Service Container. Advanced Kirill chEbba Chebunin interface CompilerPassInterface { /** * You can modify the container here before * it is dumped to PHP code. * * @param ContainerBuilder $container */ function process ( ContainerBuilder $container ); }

27. MergePass Add Extension Services Service Container. Advanced Kirill chEbba Chebunin

28. Frozen Container Service Container. Advanced Kirill chEbba Chebunin

29. Container Dumper Service Container. Advanced Kirill chEbba Chebunin

31. appDevDebugProjectContainer Service Container. Advanced Kirill chEbba Chebunin protected function getLoggerService () { $this -> services [ 'logger' ] = $instance = new ymfonyridgeonologogger ( 'app' ); $instance -> pushHandler ( $this -> get ( 'monolog.handler.main' )); $instance -> pushHandler ( $this -> get ( 'monolog.handler.firephp' )); $instance -> pushHandler ( $this -> get ( 'monolog.handler.debug' )); return $instance ; }

32. Container & Bundles Service Container. Bundles Kirill chEbba Chebunin

34. Bundle Extension Service Container. Bundles Kirill chEbba Chebunin

35. Bundle Extension Service Container. Bundles Kirill chEbba Chebunin SecurityBundle/Resources/config/templating_php.xml <services> <service id= &quot;templating.helper.security&quot; class= &quot;%templating.helper.security.class%&quot; > <tag name= &quot;templating.helper&quot; alias= &quot;security&quot; /> <argument type= &quot;service&quot; id= &quot;security.context&quot; on-invalid= &quot;ignore&quot; /> </service> </services>

36. Bundle Extension Service Container. Bundles Kirill chEbba Chebunin // load services $loader = new XmlFileLoader ( $container , new FileLocator ( __DIR__. '/../Resources/config' ) ); $loader -> load ( 'security.xml' ); $loader -> load ( 'security_listeners.xml' ); $loader -> load ( 'security_rememberme.xml' ); $loader -> load ( 'templating_php.xml' ); $loader -> load ( 'templating_twig.xml' ); $loader -> load ( 'collectors.xml' );

37. Bundle Compiler Passes Service Container. Bundles Kirill chEbba Chebunin

38. Bundle Compiler Passes Service Container. Bundles Kirill chEbba Chebunin TwigBundle public function build ( ContainerBuilder $container ) { parent :: build ( $container ); $container -> addCompilerPass ( new TwigEnvironmentPass ()); $container -> addCompilerPass ( new ExceptionListenerPass ()); }

39. Bundle Compiler Passes Service Container. Bundles Kirill chEbba Chebunin TwigEnvironmentPass $definition = $container -> getDefinition ( 'twig' ); foreach ( $container -> findTaggedServiceIds ( 'twig.extension' ) as $id => $attributes ) { $definition -> addMethodCall ( 'addExtension' , array ( new Reference ( $id ))); }

40. Bundle Boot Service Container. Bundles Kirill chEbba Chebunin

42. The End Service Container. Afterword Kirill chEbba Chebunin