bug #4407 [Components][Console] array options need array default values (xabbuh)

This PR was merged into the 2.3 branch.

Discussion
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[Components][Console] array options need array default values

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | #4406

Commits
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74b9555 array options need array default values

Author: wouterj

components/console/introduction.rst

@@ -357,11 +357,11 @@ You can combine ``VALUE_IS_ARRAY`` with ``VALUE_REQUIRED`` or ``VALUE_OPTIONAL``
     $this
         // ...
         ->addOption(
-            'iterations',
+            'colors',
             null,
             InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY,
-            'How many times should the message be printed?',
-            1
+            'Which colors do you like?',
+            array('blue', 'red')
         );
 
 Console Helpers