Class HelperSet

HelperSet represents a set of helpers to be used with a command.

Namespace: Symfony\Component\Console\Helper
Author: Fabien Potencier <fabien@symfony.com>
Located at console/Symfony/Component/Console/Helper/HelperSet.php

Methods summary
`public`	# `__construct( array $helpers = array() )` Constructor. Constructor. Parameters `$helpers` `Symfony\Component\Console\Helper\Helper[]` $helpers An array of helper.
`public`	# `set( Symfony\Component\Console\Helper\HelperInterface $helper, string $alias = null )` Sets a helper. Sets a helper. Parameters `$helper` `Symfony\Component\Console\Helper\HelperInterface` $helper The helper instance `$alias` `string` $alias An alias
`public Boolean`	# `has( string $name )` Returns true if the helper if defined. Returns true if the helper if defined. Parameters `$name` `string` $name The helper name Returns `Boolean` true if the helper is defined, false otherwise
`public Symfony\Component\Console\Helper\HelperInterface`	# `get( string $name )` Gets a helper value. Gets a helper value. Parameters `$name` `string` $name The helper name Returns `Symfony\Component\Console\Helper\HelperInterface` The helper instance Throws `InvalidArgumentException` if the helper is not defined
`public`	# `setCommand( Symfony\Component\Console\Command\Command $command = null )` Sets the command associated with this helper set. Sets the command associated with this helper set. Parameters `$command` `Symfony\Component\Console\Command\Command` $command A Command instance
`public Symfony\Component\Console\Command\Command`	# `getCommand( )` Gets the command associated with this helper set. Gets the command associated with this helper set. Returns `Symfony\Component\Console\Command\Command` A Command instance