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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace WShafer\PSR11MonoLog\Service;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Container\ContainerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\Config\MainConfig;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\ConfigInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\ContainerAwareInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\Exception\InvalidConfigException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\Exception\UnknownServiceException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\FactoryInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\HandlerManagerAwareInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use WShafer\PSR11MonoLog\MapperInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                abstract class AbstractServiceManager implements ContainerInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var MainConfig */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var MapperInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $mapper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var ContainerInterface */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $container;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var array */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $services = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        MainConfig $config,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        MapperInterface $mapper,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ContainerInterface $container  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->config    = $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->mapper    = $mapper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->container = $container;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             9                          | 
                
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract protected function getServiceConfig($id) : ConfigInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract protected function hasServiceConfig($id) : bool;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function get($id)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             6                          | 
                
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                        if (key_exists($id, $this->services)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->services[$id];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Make sure we have one of these  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$this->has($id)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new UnknownServiceException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'Unable to locate service '.$id.'.  Please check your configuration.'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Check the main container for this service id.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->container->has($id)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->services[$id] = $this->container->get($id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->services[$id];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->services[$id] = $this->getInstanceFromFactory($id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->services[$id];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function has($id)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (key_exists($id, $this->services)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->container->has($id)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->hasServiceConfig($id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    protected function getInstanceFromFactory($id)  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $class   = null;  | 
            
                            
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                        $config  = $this->getServiceConfig($id);  | 
            
            
                                                        
            
                                    
            
            
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                        $type    = $config->getType();  | 
            
            
                                                        
            
                                    
            
            
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                        $options = $config->getOptions();  | 
            
            
                                                        
            
                                    
            
            
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                        $class = $type;  | 
            
            
                                                        
            
                                    
            
            
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                        // Check for class and class implements of Monolog Formatter Interface  | 
            
            
                                                        
            
                                    
            
            
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                        if (!class_exists($class)  | 
            
            
                                                        
            
                                    
            
            
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                            || !in_array(FactoryInterface::class, class_implements($class))  | 
            
            
                                                        
            
                                    
            
            
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                        ) { | 
            
            
                                                        
            
                                    
            
            
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                            $class = $this->mapper->map($type);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                             3                          | 
                
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                        if (!class_exists($class)  | 
            
            
                                                        
            
                                    
            
            
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                            || !in_array(FactoryInterface::class, class_implements($class))  | 
            
            
                                                        
            
                                    
            
            
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                        ) { | 
            
            
                                                        
            
                                    
            
            
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                             1                          | 
                
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                            throw new InvalidConfigException(  | 
            
            
                                                        
            
                                    
            
            
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                                $id.'.  Is not a valid factory.  Please check your configuration.'  | 
            
            
                                                        
            
                                    
            
            
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                            );  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        /** @var FactoryInterface $factory */  | 
            
            
                                                        
            
                                    
            
            
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                             2                          | 
                
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                        $factory = new $class;  | 
            
            
                                                        
            
                                    
            
            
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                        if ($factory instanceof ContainerAwareInterface) { | 
            
            
                                                        
            
                                    
            
            
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                            $factory->setContainer($this->container);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                             2                          | 
                
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                        if ($factory instanceof HandlerManagerAwareInterface  | 
            
            
                                                        
            
                                    
            
            
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                             2                          | 
                
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                            && $this instanceof HandlerManager  | 
            
            
                                                        
            
                                    
            
            
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                        ) { | 
            
            
                                                        
            
                                    
            
            
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                            $factory->setHandlerManager($this);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                             2                          | 
                
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                        return $factory($options);  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.