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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Kunstmaan\NodeBundle\DependencyInjection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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\Definition;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\DependencyInjection\Loader;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\HttpKernel\DependencyInjection\Extension;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 KunstmaanNodeExtension 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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                        $configuration = new Configuration();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $config = $this->processConfiguration($configuration, $configs);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('twig.form.resources', array_merge( | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $container->getParameter('twig.form.resources'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                            array('KunstmaanNodeBundle:Form:formWidgets.html.twig') | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $nodePagesDefinition = new Definition('Kunstmaan\NodeBundle\Helper\PagesConfiguration', [$config['pages']]); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $nodePagesDefinition->setPublic(true);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setDefinition('kunstmaan_node.pages_configuration', $nodePagesDefinition); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('kunstmaan_node.show_add_homepage', $config['show_add_homepage']); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('kunstmaan_node.enable_export_page_template', $config['enable_export_page_template']); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('kunstmaan_node.lock_check_interval', $config['lock']['check_interval']); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('kunstmaan_node.lock_threshold', $config['lock']['threshold']); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $container->setParameter('kunstmaan_node.lock_enabled', $config['lock']['enabled']); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $loader->load('services.yml'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function prepend(ContainerBuilder $container)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cmfRoutingExtraConfig['chain']['routers_by_id']['router.default'] = 100;  | 
            
                            
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                        $cmfRoutingExtraConfig['chain']['replace_symfony_router'] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->prependExtensionConfig('cmf_routing', $cmfRoutingExtraConfig); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $configs = $container->getExtensionConfig($this->getAlias());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $config = $this->processConfiguration(new Configuration(), $configs);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // set twig global params  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $twigConfig['globals']['nodebundleisactive'] = true;  | 
            
                            
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                        $twigConfig['globals']['publish_later_stepping'] = $config['publish_later_stepping'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $twigConfig['globals']['unpublish_later_stepping'] = $config['unpublish_later_stepping'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $container->prependExtensionConfig('twig', $twigConfig); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArrayis initialized the first time when the foreach loop is entered. You can also see that the value of thebarkey is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.