Validation start.
POST data
---
array (
  'name' => 'Test Johnson',
  'nick' => '',
  'email' => '',
  'message' => '',
  'sample' => '',
)
After validation
array (
  'errors' => 
  array (
    'nick' => 'The nick field is required!',
    'message' => 'The message field is required!',
    'email' => 'Please you give a valid e-mail address!',
  ),
  'validated' => 
  array (
    'name' => 'Test Johnson',
  ),
) 
  |