listing14.txt

<?php
namespace Honk\View\Helper;

use Honk\Service\RandomName as RandomNameService;
use Zend\Form\View\Helper\AbstractHelper;

class RandomName extends AbstractHelper
{
    /**
     * RandomNameService
     *
     * @var RandomNameService
     */
    protected $randomNameService;

    /**
     * Constructor
     *
     * @param  RandomNameService $randomNameService
     */
    public function __construct(RandomNameService $randomNameService)
    {
        $this->setRandomNameService($randomNameService);
    }

    /**
     * Sets RandomNameService
     *
     * @param  RandomNameService $randomNameService
     * @return AbstractHelper
     */
    public function setRandomNameService(RandomNameService $randomNameService = null)
    {
        $this->randomNameService = $randomNameService;
        return $this;
    }
    
    /**
     * Returns RandomNameService
     *
     * @return RandomNameService
     */
    public function getRandomNameService()
    {
        return $this->randomNameService;
    }
    /**
     * Outputs message depending on flag
     *
     * @return string 
     */
    public function __invoke()
    {
        // return random name
        return $this->getRandomNameService()->get();
    }
}