Facades\Title.php

<?php

use Illuminate\Support\Facades\Facade;

class Title extends Facade
{
    protected static function getFacadeAccessor()
    {
        return 'title';
    }
}

Title.php

<?php

class Title
{
    /**
     * Array of values
     *
     * @var array
     */
    protected $values = [];

    /**
     * Values delimiter
     *
     * @var string
     */
    protected $delimiter;

    /**
     * Constructor
     *
     * @param        $value
     * @param string $delimiter
     */
    function __construct($value, $delimiter = ' :: ')
    {
        $this->values[] = $value;
        $this->delimiter = $delimiter;
    }

    /**
     * Put value at the end
     *
     * @param string $value
     * @param null   $delimiter
     */
    public function append($value = '', $delimiter = null)
    {
        $this->values[] = $delimiter ?: $this->delimiter;
        $this->values[] = $value;
    }

    /**
     * Put value at the start
     *
     * @param string $value
     * @param null   $delimiter
     */
    public function prepend($value = '', $delimiter = null)
    {
        array_unshift($this->values, $value, $delimiter ?: $this->delimiter);
    }

    /**
     * Render title
     *
     * @return string
     */
    public function render()
    {
        return implode('', $this->values);
    }

    /**
     * Get last value
     *
     * @return mixed
     */
    public function last()
    {
        return end($this->values);
    }

    /**
     * Get first value
     *
     * @return mixed
     */
    public function first()
    {
        return reset($this->values);
    }

    /**
     * To string implementation
     *
     * @return string
     */
    function __toString()
    {
        return $this->render();
    }
}

TitleServiceProvider.php

<?php

use Illuminate\Support\ServiceProvider;
use Title;

class TitleServiceProvider extends ServiceProvider
{
    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {
        $this->app->bindShared('title', function ()
        {
            return new Title(
                $this->app['config']->get('app.site_name'),
                $this->app['config']->get('app.title_delimiter')
            );
        });
        
        $this->app->singleton('Shop\Commons\Helpers\Title', 'title');
    }
}