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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Protoku\Kernel;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\Container\ContainerAwareInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\Route\RouteCollection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\RequestInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\ResponseInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\ServerRequestInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Relay\RelayBuilder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Zend\Diactoros\Response\SapiEmitter;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class HttpKernel  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package Protoku\Kernel  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class HttpKernel extends AbstractKernel implements ContainerAwareInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $globalMiddleware = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $serviceProviders = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ServerRequestInterface $request  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ResponseInterface $response  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return RequestInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function handle(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    	$container = $this->getContainer();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->share(ServerRequestInterface::class, $request);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->share(ResponseInterface::class, $response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->share('emitter', SapiEmitter::class); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($this->serviceProviders as $serviceProvider)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		{ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$container->addServiceProvider($serviceProvider);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$route = new RouteCollection($container);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$route->map('GET', '/', function (ServerRequestInterface $request, ResponseInterface $response) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$response->getBody()->write('<h1>Hello, World!</h1>'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		});  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $route->dispatch($container->get('request'), $container->get('response')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //        $middlewareResolver = new Resolver();  | 
            
                            
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                //        $relayBuilder = new RelayBuilder($middlewareResolver);  | 
            
                            
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                        $relayBuilder = new RelayBuilder();  | 
            
                            
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                        $middlewareStack = $this->buildMiddleWareStack();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $relay = $relayBuilder->newInstance($middlewareStack);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $relay($request, $response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ResponseInterface $response  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function send(ResponseInterface $response)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->getContainer()->get('emitter')->emit($response); | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function buildMiddlewareStack()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $middleware = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($this->globalMiddleware as $globalMiddleware) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                               $middleware[] = $this->getContainer()->get($globalMiddleware);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $middleware;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production.
This check looks for comments that seem to be mostly valid code and reports them.