function polls_replace_choices($poll, $new_choices)
{
polls_delete_choices($poll);
polls_add_choices($poll, $new_choices);
}
$poll_guid = get_input('poll_guid');
if ($poll_guid) {
$poll = get_entity($poll_guid);
if ($number_of_choices) {
$count = 0;
$new_choices = array();
for ($i = 0; $i < $number_of_choices; $i++) {
$text = get_input('choice_text_' . $i, '');
if ($text) {
$new_choices[] = $text;
$count++;
}
}
}
// add choices to the poll
polls_add_choices($poll, $new_choices);
}
}
// manage vote sub-action
if ($vote_flag) {
//get the poll entity
$poll = get_entity($guid);
if (elgg_instanceof($poll, 'object', 'poll')) {
// Make sure the response isn't blank
if (empty($response)) {
register_error(elgg_echo("polls:novote"));
forward($poll->getUrl());
// Otherwise, save the poll vote
} else {
$user_guid = elgg_get_logged_in_user_guid();
// check to see if this user has already voted