function poll_block

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4.6 poll.module poll_block($op = 'list', $delta = 0)
4.7 poll.module poll_block($op = 'list', $delta = 0)
5 poll.module poll_block($op = 'list', $delta = 0)
6 poll.module poll_block($op = 'list', $delta = 0)

Implementation of hook_block().

Generates a block containing the latest poll.

File

modules/poll/poll.module, line 36
Enables your site to capture votes on different topics in the form of multiple choice questions.

Code

function poll_block($op = 'list', $delta = 0) {
  if (user_access('access content')) {
    if ($op == 'list') {
      $blocks[0]['info'] = t('Most recent poll');
      return $blocks;
    }
    else if ($op == 'view') {
      // Retrieve the latest poll.
      $sql = db_rewrite_sql("SELECT MAX(n.created) FROM {node} n INNER JOIN {poll} p ON p.nid = n.nid WHERE n.status = 1 AND p.active = 1");
      $timestamp = db_result(db_query($sql));
      if ($timestamp) {
        $poll = node_load(array('type' => 'poll', 'created' => $timestamp, 'status' => 1));

        if ($poll->nid) {
          $poll = poll_view($poll, TRUE, FALSE, TRUE);
        }
      }
      $block['subject'] = t('Poll');
      $block['content'] = drupal_render($poll->content);
      return $block;
    }
  }
}