function poll_get_results(&$results, $sort = true)
 {
     foreach ($this->options as $option) {
         $responses = get_records('block_poll_response', 'optionid', $option->id);
         $results[$option->optiontext] = !$responses ? '0' : count($responses);
     }
     if ($sort) {
         poll_sort_results($results);
     }
 }
 public function poll_get_results(&$results, $sort = true)
 {
     global $DB;
     foreach ($this->options as $option) {
         $responses = $DB->get_records('block_poll_response', array('optionid' => $option->id));
         $results[$option->optiontext] = !$responses ? '0' : count($responses);
     }
     if ($sort) {
         poll_sort_results($results);
     }
 }
    return $arr;
}
$polls = get_records('block_poll', 'courseid', $COURSE->id);
foreach ($polls as $poll) {
    $menu[$poll->id] = $poll->name;
}
print_simple_box_start();
echo get_string('editpollname', 'block_poll') . ': ';
choose_from_menu($menu, 'pid', $pid, 'choose', 'show_poll_results(this.options[this.selectedIndex].value);');
print_simple_box_end();
if (($poll = get_record('block_poll', 'id', $pid)) && ($options = get_records('block_poll_option', 'pollid', $poll->id))) {
    foreach ($options as $option) {
        $option->responses = get_records('block_poll_response', 'optionid', $option->id);
        $option->responsecount = !$option->responses ? 0 : count($option->responses);
    }
    poll_sort_results($options, 'poll_custom_callback');
    print_simple_box_start();
    echo "<strong>{$poll->questiontext}</strong><ol>";
    foreach ($options as $option) {
        echo "<li>{$option->optiontext} ({$option->responsecount})</li>";
    }
    echo '</ol>';
    print_simple_box_end();
    if ($responses = get_records('block_poll_response', 'pollid', $poll->id, 'submitted ASC')) {
        $responsecount = count($responses);
        $optioncount = count($options);
        $table = new Object();
        $table->head = array('&nbsp;', get_string('user'), get_string('date'));
        for ($i = 1; $i <= $optioncount; $i++) {
            $table->head[] = $i;
        }