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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Slim\Slim;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Slim\Views\Twig;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Slim\Middleware\SessionCookie;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class Xhgui_ServiceContainer extends Pimple  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected static $_instance;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return \Xhgui_ServiceContainer  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function instance()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (empty(static::$_instance)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            static::$_instance = new self();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return static::$_instance;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Xhgui_ServiceContainer constructor.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['config'] = Xhgui_Config::all();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->_slimApp();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->_services();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->_controllers();  | 
            
                            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Create the Slim app.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function _slimApp()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['view'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $cacheDir = isset($c['config']['cache']) ? $c['config']['cache'] : XHGUI_ROOT_DIR . '/cache';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // Configure Twig view for slim  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $view = new Twig();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $view->twigTemplateDirs = array(dirname(__DIR__) . '/templates');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $view->parserOptions = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'charset'           => 'utf-8',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'cache'             => $cacheDir,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'auto_reload'       => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'debug'             => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'strict_variables'  => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'autoescape'        => true  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $view;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['app'] = $this->share(function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $app = new Slim($c['config']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // Enable cookie based sessions  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $app->add(new SessionCookie(array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'httponly' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            )));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // Add renderer.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $app->add(new Xhgui_Middleware_Render());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $view = $c['view'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $view->parserExtensions = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                new Xhgui_Twig_Extension($app)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $app->view($view);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $app;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Add common service objects to the container.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function _services()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['db'] = $this->share(function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return Xhgui_Storage_Factory::factory($c['config']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['watchFunctions'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            switch ($c['config']['save.handler']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                default:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                case 'pdo':  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                case 'mongodb':  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                case 'file':  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    return $c['db'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['profiles'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Profiles($c['db']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['storageFactory'] = function ($c) { | 
            
                            
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                            return new Xhgui_Storage_Factory();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //        $this['saver'] = function($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //            return Xhgui_Saver::factory($c['config']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //        };  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Add controllers to the DI container.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function _controllers()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['watchController'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Controller_Watch($c['app'], $c['watchFunctions']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['runController'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Controller_Run($c['app'], $c['profiles'], $c['watchFunctions']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['customController'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Controller_Custom($c['app'], $c['profiles']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['waterfallController'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Controller_Waterfall($c['app'], $c['profiles']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this['importController'] = function ($c) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new Xhgui_Controller_Import($c['app'], new Xhgui_Storage_Factory(), new Xhgui_Saver());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: