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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Northwoods\Config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Dotenv\Dotenv;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Northwoods\Config\Path\PathCollection;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class Configuration  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var array  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public static $env;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var PathCollection  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $paths;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var Dotenv  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $dotenv;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $environment;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param array|Configuration $config  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct($config)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->paths = new PathCollection();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (is_array($config)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (isset($config['path'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->paths->add($config['path']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             24                          | 
                
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                            if (isset($config['paths'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                foreach ($config['paths'] as $path) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $this->paths->add($path);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (isset($config['environment'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->setEnvironment($config['environment']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (isset($config['dotenv'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->setDotenv(new Dotenv($config['dotenv']));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } elseif ($config instanceof Configuration) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->setPaths($config->getPaths());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->setEnvironment($config->getEnvironment());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($config->getDotenv()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->setDotenv($config->getDotenv());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return PathCollection  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getPaths()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->paths;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param PathCollection $pathCollection  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return $this  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setPaths(PathCollection $pathCollection)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->paths = $pathCollection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param null|string $environment  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return $this  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setEnvironment($environment)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->environment !== $environment) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (method_exists($this, 'reset')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->reset();  | 
            
                            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->environment = $environment;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return $this  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function removeEnvironment()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->environment !== null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (method_exists($this, 'reset')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->reset();  | 
            
                            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->environment = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return null|string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             22                          | 
                
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                    public function getEnvironment()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             22                          | 
                
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                        return $this->environment;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return Dotenv  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             22                          | 
                
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                    public function getDotenv()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             22                          | 
                
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                        return $this->dotenv;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Dotenv $dotenv  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return $this  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                    public function setDotenv(Dotenv $dotenv)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        $this->dotenv = $dotenv;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        $this->loadDotenv();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        return $this;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                             3                          | 
                
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                    private function loadDotenv()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        $retval = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        $values = $this->dotenv->load();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                        foreach ($values as $value) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                            $parts = explode("=", $value, 2); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             3                          | 
                
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                            $retval[$parts[0]] = getenv($parts[0]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                             3                          | 
                
                 | 
                        return self::$env = $retval;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: