Slug Laravel

gistfile1.php

<?php
// Route:
// {id} required
// {slug} optional
Route::get('blog/{id}/{slug?}', array('as' => 'blog.show', 'uses' => 'PostsController@show'));
 
 
// PostsController@show
public function show($id, $slug = '')
{
$post = $this->post->findOrFail($id);
 
	// If slug from url doesn't exist or doesn't match the posts slug
	// then redirect to the correct url
	if ( $post->slug !== $slug ) {
	 return Redirect::route('blog.show', array('id' => $post->id, 'slug' => $post->slug), 301);
	}
 
	return View::make('posts.show', compact('post'));
}
- See more at: http://laravelsnippets.com/snippets/slug-in-url-but-still-changeable-later-on#sthash.AI8S2adr.dpuf