Symfony\Component\Console\Helper
Classes
| DescriptorHelper | This class adds helper method to describe objects in various formats. | 
| DialogHelper | The Dialog class provides helpers to interact with the user. | 
| FormatterHelper | The Formatter class provides helpers to format messages. | 
| Helper | Helper is the base class for all helper classes. | 
| HelperSet | HelperSet represents a set of helpers to be used with a command. | 
| ProgressHelper | The Progress class provides helpers to display progress output. | 
| TableHelper | Provides helpers to display table output. | 
Interfaces
| HelperInterface | HelperInterface is the interface all helpers must implement. | 
    © 2004–2017 Fabien Potencier
Licensed under the MIT License.
    http://api.symfony.com/4.0/Symfony/Component/Console/Helper.html