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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of the Superdesk Web Publisher Content Bundle.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright 2015 Sourcefabric z.u. and contributors.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please see the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * AUTHORS and LICENSE files distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2015 Sourcefabric z.ú  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license http://www.superdesk.org/license  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace SWP\Bundle\ContentBundle\DependencyInjection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SWP\Bundle\StorageBundle\Drivers;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SWP\Bundle\StorageBundle\DependencyInjection\Extension\Extension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\ContainerBuilder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\Config\FileLocator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\Loader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This is the class that loads and manages your bundle configuration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class SWPContentExtension extends Extension implements PrependExtensionInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 $configs, ContainerBuilder $container)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $config = $this->processConfiguration(new Configuration(), $configs);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $loader->load('services.yml'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($config['persistence']['orm']['enabled']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->registerStorage(Drivers::DRIVER_DOCTRINE_ORM, $config['persistence']['orm']['classes'], $container);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $loader->load('providers.orm.yml'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function prepend(ContainerBuilder $container): void  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $config = [  | 
            
            
                                                        
            
                                    
            
            
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                            [  | 
            
            
                                                        
            
                                    
            
            
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                                'adapters' => [  | 
            
            
                                                        
            
                                    
            
            
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                                    'fallback_adapter' => [  | 
            
            
                                                        
            
                                    
            
            
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                                        'fallback' => [  | 
            
            
                                                        
            
                                    
            
            
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                                            'mainAdapter' => '%env(resolve:FS_MAIN_ADAPTER)%',  | 
            
            
                                                        
            
                                    
            
            
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                                            'fallback' => 'local_adapter',  | 
            
            
                                                        
            
                                    
            
            
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                                            'forceCopyOnMain' => false,  | 
            
            
                                                        
            
                                    
            
            
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                                        ],  | 
            
            
                                                        
            
                                    
            
            
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                                    ],  | 
            
            
                                                        
            
                                    
            
            
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                                ],  | 
            
            
                                                        
            
                                    
            
            
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                            ],  | 
            
            
                                                        
            
                                    
            
            
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                        ];  | 
            
            
                                                        
            
                                    
            
            
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                        $config = $container->resolveEnvPlaceholders(  | 
            
            
                                                        
            
                                    
            
            
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                            $config,  | 
            
            
                                                        
            
                                    
            
            
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                            true  | 
            
                            
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                        );  | 
            
            
                                                        
            
                                    
            
            
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                        $container->prependExtensionConfig('oneup_flysystem', $config[0]); | 
            
            
                                                        
            
                                    
            
            
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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: