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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Romm\Formz\Controller;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TYPO3\CMS\Extbase\Mvc\RequestInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TYPO3\CMS\Extbase\Mvc\ResponseInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use TYPO3\CMS\Extbase\Mvc\Web\Request;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                trait FormzActionControllerTrait  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var FormzControllerContext  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $formzControllerContext;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * This function will dispatch the request to the form controller, which  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * will process the request with FormZ configuration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param RequestInterface  $request  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ResponseInterface $response  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function processRequest(RequestInterface $request, ResponseInterface $response)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (false === $this->formzControllerContext->isDispatched()) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->request = $request;  | 
            
                            
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                            $this->actionMethodName = $this->resolveActionMethodName();  | 
            
                            
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                            $this->initializeActionMethodArguments();  | 
            
                            
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                            $this->initializeActionMethodValidators();  | 
            
                            
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                            $this->mvcPropertyMappingConfigurationService->initializePropertyMappingConfigurationFromRequest($request, $this->arguments);  | 
            
                            
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                            /** @var Request $request */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->formzControllerContext->setRequest(clone $request);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->formzControllerContext->setArguments($this->arguments);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->forward('processForm', 'Form', 'Formz', $request->getArguments()); | 
            
                            
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                        } else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            /** @noinspection PhpUndefinedMethodInspection */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            parent::processRequest($request, $response);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param FormzControllerContext $formzControllerContext  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function injectFormzControllerContext(FormzControllerContext $formzControllerContext)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->formzControllerContext = $formzControllerContext;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: