function poll_validate in Drupal 4

Same name and namespace in other branches

1. 5 modules/poll/poll.module \poll_validate()
2. 6 modules/poll/poll.module \poll_validate()
3. 7 modules/poll/poll.module \poll_validate()

Implementation of hook_validate().

File

modules/poll.module, line 104

Enables your site to capture votes on different topics in the form of multiple choice questions.

Code

function poll_validate($node) {
  if (isset($node->title)) {

    // Check for at least two options and validate amount of votes:
    $realchoices = 0;

    // Renumber fields
    $node->choice = array_values($node->choice);
    foreach ($node->choice as $i => $choice) {
      if ($choice['chtext'] != '') {
        $realchoices++;
      }
      if ($choice['chvotes'] < 0) {
        form_set_error("choice][{$i}][chvotes", t('Negative values are not allowed.'));
      }
    }
    if ($realchoices < 2) {
      form_set_error("choice][{$realchoices}][chtext", t('You must fill in at least two choices.'));
    }
  }
}