title: is there a token generator for CSRF(Cross-site request forgery) in the codeigniter framework?
body: <p>I wonder if there is a class in codeigniter to generate token to form<br><br>
  sample<br><br></p>
  
  <pre><code>Form Data
  --token:ab664f63c186e43eb51f33c5f1a7e116
  --login:admin
  --senha:admin@#123
  </code></pre>