Minor fixes

Author: Nyholm

ClientFactory/PluginClientFactory.php

@@ -27,7 +27,7 @@ public static function createPluginClient(array $plugins, $factory, array $confi
         } elseif (is_callable($factory)) {
             $client = $factory($config);
         } else {
-            throw new \RuntimeException(sprintf('Second argument to PluginClientFactory::createPluginClient must be a "%s" or a callale.', ClientFactory::class));
+            throw new \RuntimeException(sprintf('Second argument to PluginClientFactory::createPluginClient must be a "%s" or a callable.', ClientFactory::class));
         }
 
         return new PluginClient($client, $plugins, $pluginClientOptions);

DependencyInjection/HttplugExtension.php

@@ -251,7 +251,7 @@ function ($id) {
      * @param array            $config
      *
      * @return array of service ids.
-     * */
+     */
     private function configureAutoDiscoveryClients(ContainerBuilder $container, array $config)
     {
         $serviceIds = [];

DependencyInjection/ProfilerExtension.php

@@ -40,7 +40,7 @@ public function load(array $config, ContainerBuilder $container, array $clientSe
             $pluginClientDefinition = $container->getDefinition($clientId);
             $serviceIdDebugPlugin = $this->registerDebugPlugin($container, $clientId);
 
-            $argument = $this->mergeDebugPluginArguments($pluginClientDefinition->getArgument(3), [new Reference($serviceIdDebugPlugin)]);
+            $argument = $this->mergeDebugPluginArguments([new Reference($serviceIdDebugPlugin)], $pluginClientDefinition->getArgument(3));
             $pluginClientDefinition->replaceArgument(3, $argument);
         }
     }
@@ -65,12 +65,12 @@ private function registerDebugPlugin(ContainerBuilder $container, $name)
     }
 
     /**
-     * @param array $existing
      * @param array $newArgument
+     * @param array $existing
      *
      * @return array
      */
-    private function mergeDebugPluginArguments($existing, $newArgument)
+    private function mergeDebugPluginArguments(array $newArgument, array $existing = [])
     {
         if (empty($existing)) {
             $mergedArgument = ['debug_plugins' => $newArgument];