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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of the Sylius package.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) Paweł Jędrzejewski  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Sylius\Bundle\AttributeBundle\DependencyInjection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sylius\Bundle\ResourceBundle\DependencyInjection\Extension\AbstractResourceExtension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\FileLocator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\ContainerBuilder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Paweł Jędrzejewski <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class SyliusAttributeExtension extends AbstractResourceExtension  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * {@inheritdoc} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function load(array $config, ContainerBuilder $container)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $config = $this->processConfiguration($this->getConfiguration($config, $container), $config);  | 
            
                            
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                        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $loader->load('services.xml'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->registerResources('sylius', $config['driver'], $this->resolveResources($config['resources'], $container), $container); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $resources  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ContainerBuilder $container  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function resolveResources(array $resources, ContainerBuilder $container)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->setParameter('sylius.attribute.subjects', $resources); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resolvedResources = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($resources as $subjectName => $subjectConfig) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            foreach ($subjectConfig as $resourceName => $resourceConfig) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if (is_array($resourceConfig)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $resolvedResources[$subjectName.'_'.$resourceName] = $resourceConfig;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $resolvedResources;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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: