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1. drupal
   1. drupal6
   2. drupal7

Validate comment form submissions.

Code

modules/comment/comment.module, line 1490

<?php
function comment_form_validate($form, &$form_state) {
  global $user;
  if ($user->uid === 0) {
    foreach (array('name', 'homepage', 'mail') as $field) {
      // Set cookie for 365 days.
      if (isset($form_state['values'][$field])) {
        setcookie('comment_info_' . $field, $form_state['values'][$field], time() + 31536000, '/');
      }
    }
  }
  comment_validate($form_state['values']);
}
?>