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function poll_cancel in Drupal 7

Same name and namespace in other branches
  1. 5 modules/poll/poll.module \poll_cancel()
  2. 6 modules/poll/poll.module \poll_cancel()

Submit callback for poll_cancel_form().

1 string reference to 'poll_cancel'
poll_cancel_form in modules/poll/poll.module
Builds the cancel form for a poll.

File

modules/poll/poll.module, line 955
Enables your site to capture votes on different topics in the form of multiple choice questions.

Code

function poll_cancel($form, &$form_state) {
  global $user;
  $node = node_load($form['#nid']);
  db_delete('poll_vote')
    ->condition('nid', $node->nid)
    ->condition($user->uid ? 'uid' : 'hostname', $user->uid ? $user->uid : ip_address())
    ->execute();

  // Subtract from the votes.
  db_update('poll_choice')
    ->expression('chvotes', 'chvotes - 1')
    ->condition('chid', $node->vote)
    ->execute();
  unset($_SESSION['poll_vote'][$node->nid]);
  drupal_set_message(t('Your vote was cancelled.'));
}