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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * File containing the ContentList ValueObjectVisitor class.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (C) eZ Systems AS. All rights reserved.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license For full copyright and license information view LICENSE file distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version //autogentag//  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace eZ\Publish\Core\REST\Server\Output\ValueObjectVisitor;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use eZ\Publish\Core\MVC\ConfigResolverInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use eZ\Publish\Core\MVC\Symfony\RequestStackAware;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use eZ\Publish\Core\REST\Common\Output\ValueObjectVisitor;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use eZ\Publish\Core\REST\Common\Output\Generator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use eZ\Publish\Core\REST\Common\Output\Visitor;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * CachedValue value object visitor.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class CachedValue extends ValueObjectVisitor  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    use RequestStackAware;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /** @var ConfigResolverInterface */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $configResolver;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct(ConfigResolverInterface $configResolver)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->configResolver = $configResolver;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Visitor   $visitor  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Generator $generator  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param \eZ\Publish\Core\REST\Server\Values\CachedValue $data  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function visit(Visitor $visitor, Generator $generator, $data)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $visitor->visitValueObject($data->value);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->getParameter('content.view_cache') !== true) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response = $visitor->getResponse();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response->setPublic();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response->setVary('Accept'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->getParameter('content.ttl_cache') === true) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $response->setSharedMaxAge($this->getParameter('content.default_ttl')); | 
            
                            
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                            $request = $this->getCurrentRequest();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (isset($request) && $request->headers->has('X-User-Hash')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $response->setVary('X-User-Hash', false); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($data->cacheTags['locationId'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $visitor->getResponse()->headers->set('X-Location-Id', $data->cacheTags['locationId']); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function getParameter($parameterName, $defaultValue = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->configResolver->hasParameter($parameterName)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $this->configResolver->getParameter($parameterName);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $defaultValue;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: