Fantastic filters example 3

posts_controller(13).rb

# /app/controllers/posts_controller.rb
class PostsController < ApplicationController
  before_filter :get_post, :only => [:edit, :update, :destroy]
  
  def edit
    # ...
  end
  
  def update
    # ...
  end
  
  def destroy
    # ...
  end 
  
  private
  def get_post
    @post = Post.find(params[:id])
  end
end