interface somerepository {   public getall(): array; } 

class somerepositoryimpl implements somerepository {     public function getall(): array     {         print('getall()');         return [];     } } 

class someservice {     private $somerepository;      public function __construct(somerepository $somerepository)     {         $this->somerepository = $somerepository;     }      public function dosomething(): void     {         $this->somerepository->getall();     } } 

use cakecommandcommand; use cakeconsolerguments; use cakeconsoleconsoleio; use cakeconsoleconsoleoptionparser;  class somecommand extends command {     private someservice $service;      public function __construct(someservice $service)     {         parent::__construct();         $this->service = $service;     }      public static function getdescription(): string     {         return 'inject service through provider';     }      public function buildoptionparser(consoleoptionparser $parser): consoleoptionparser     {         $parser = parent::buildoptionparser($parser);         return $parser;     }      public function execute(arguments $args, consoleio $io)     {         $this->service->dosomething();     } } 

use cakecorecontainerinterface; use cakecoreserviceprovider;  class commandserviceprovider extends serviceprovider {     protected $provides = [         somecommand::class,     ];      public function services(containerinterface $container): void     {         $container             ->add(somecommand::class)             ->addargument(someservice::class);     } }  

use cakecontrollercontroller;  class somecontroller extends controller {     public function index(someservice $service)     {         $service->dosomething();         print('index()');     } } 

use cakecorecontainerinterface; use cakecoreserviceprovider;  class someserviceprovider extends serviceprovider {     protected $provides = [         someservice::class,     ];      public function services(containerinterface $container): void     {         $container             ->add(somerepository::class, somerepositoryimpl::class);         $container             ->add(someservice::class)             ->addargument(somerepository::class);     } } 

// Application.php class Application extends BaseApplication {     // ...     public function services(ContainerInterface $container): void     {         $container->addServiceProvider(new SomeServiceProvider());         $container->addServiceProvider(new ControllerServiceProvider());     }     // ...