Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like HttplugExtension often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use HttplugExtension, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 22 | class HttplugExtension extends Extension |
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| 23 | { |
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| 24 | /** |
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| 25 | * {@inheritdoc} |
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| 26 | */ |
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| 27 | 3 | public function load(array $configs, ContainerBuilder $container) |
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| 28 | { |
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| 29 | 3 | $configuration = $this->getConfiguration($configs, $container); |
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| 30 | 3 | $config = $this->processConfiguration($configuration, $configs); |
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| 31 | |||
| 32 | 3 | $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config')); |
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| 33 | |||
| 34 | 3 | $loader->load('services.xml'); |
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| 35 | 3 | $loader->load('plugins.xml'); |
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| 36 | |||
| 37 | 3 | $enabled = is_bool($config['toolbar']['enabled']) ? $config['toolbar']['enabled'] : $container->hasParameter('kernel.debug') && $container->getParameter('kernel.debug'); |
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| 38 | 3 | if ($enabled) { |
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| 39 | $loader->load('data-collector.xml'); |
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| 40 | $config['_inject_collector_plugin'] = true; |
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| 41 | |||
| 42 | if (!empty($config['toolbar']['formatter'])) { |
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| 43 | $container->getDefinition('httplug.collector.message_journal') |
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| 44 | ->replaceArgument(0, new Reference($config['toolbar']['formatter'])); |
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| 45 | } |
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| 46 | } |
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| 47 | |||
| 48 | 3 | foreach ($config['classes'] as $service => $class) { |
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| 49 | 3 | if (!empty($class)) { |
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| 50 | 1 | $container->register(sprintf('httplug.%s.default', $service), $class); |
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| 51 | 1 | } |
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| 52 | 3 | } |
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| 53 | |||
| 54 | 3 | foreach ($config['main_alias'] as $type => $id) { |
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| 55 | 3 | $container->setAlias(sprintf('httplug.%s', $type), $id); |
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| 56 | 3 | } |
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| 57 | |||
| 58 | 3 | $this->configurePlugins($container, $config['plugins']); |
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| 59 | 3 | $this->configureClients($container, $config); |
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| 60 | 3 | } |
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| 61 | |||
| 62 | /** |
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| 63 | * Configure client services. |
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| 64 | * |
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| 65 | * @param ContainerBuilder $container |
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| 66 | * @param array $config |
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| 67 | */ |
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| 68 | 3 | private function configureClients(ContainerBuilder $container, array $config) |
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| 108 | |||
| 109 | /** |
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| 110 | * @param ContainerBuilder $container |
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| 111 | * @param array $config |
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| 112 | */ |
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| 113 | private function configurePlugins(ContainerBuilder $container, array $config) |
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| 131 | |||
| 132 | /** |
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| 133 | * @param string $name |
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| 134 | * @param Definition $definition |
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| 135 | * @param array $config |
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| 136 | */ |
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| 137 | private function configurePluginByName($name, Definition $definition, array $config) |
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| 183 | |||
| 184 | /** |
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| 185 | * @param ContainerBuilder $container |
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| 186 | * @param array $config |
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| 187 | */ |
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| 188 | private function configureAuthentication(ContainerBuilder $container, array $config) |
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| 218 | } |
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| 219 |
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: