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<?php |
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namespace Kunstmaan\FormBundle\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\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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use Symfony\Component\HttpKernel\Kernel; |
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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 KunstmaanFormExtension 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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View Code Duplication |
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, $configs); |
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$container->setParameter('kunstmaan_form.deletable_formsubmissions', $config['deletable_formsubmissions']); |
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$loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config')); |
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$loader->load('services.yml'); |
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} |
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public function prepend(ContainerBuilder $container) |
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{ |
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if (!$container->hasParameter('form_submission_rootdir')) { |
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$container->setParameter('form_submission_rootdir', |
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sprintf('%s/%s/uploads/formsubmissions', $container->getParameter('kernel.project_dir'), Kernel::VERSION_ID >= 40000 ? 'public' : 'web')); |
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} |
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if (!$container->hasParameter('form_submission_webdir')) { |
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$container->setParameter('form_submission_webdir', '/uploads/formsubmissions/'); |
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} |
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$twigConfig['globals']['form_submission_webdir'] = $container->getParameter('form_submission_webdir'); |
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$container->prependExtensionConfig('twig', $twigConfig); |
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$configs = $container->getExtensionConfig($this->getAlias()); |
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$this->processConfiguration(new Configuration(), $configs); |
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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
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key 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.