title: twitter login in my site
body: <p>I have done a facebook login in my site.That is users can login in my site using their </p>
  
  <p>facebook account.Similarly I want to do the twitter login in mysite that is users can login </p>
  
  <p>in my site using their twitter account.How it could be done ?. Can any one provide the php </p>
  
  <p>code for this.For this I have created a twitter app.</p>