Online User

/**
 * Implementation of hook_block().
 */
function newuser_block($op = 'list', $delta = 0, $edit = array()) {
  global $user;
 
  if ($op == 'list') {
    // Too dynamic to cache.
    $blocks[0]['info'] = t('Who\'s online');
    $blocks[0]['cache'] = BLOCK_NO_CACHE;
    return $blocks;
  }
  else if ($op == 'view') {
    $block = array();
 
    if (user_access('access content')) {
      // Count users active within the defined period.
      $interval = time() - 900;
 
      // Perform database queries to gather online user lists.  We use s.timestamp
      // rather than u.access because it is much faster.
      $anonymous_count = sess_count($interval);
      $authenticated_users = db_query('SELECT DISTINCT u.uid, u.name, s.timestamp FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.timestamp >= %d AND s.uid > 0 ORDER BY s.timestamp DESC', $interval);
      $authenticated_count = db_affected_rows($authenticated_users);
      $full_count = $authenticated_count + $anonymous_count;
 
      // Format the output with proper grammar.
      $output = 'Jelenleg ' . $full_count . ' felhasználó van a webhelyen.';
 
 
      $block['subject'] = t('Who\'s online');
      $block['content'] = $output;
    }
    return $block;
  }
}
 
Mielőtt éles oldalra teszed, teszteld, mert csak sietve ütöttem össze munka közben (és nem ez a munkám).