poll_cancel
modules/poll/poll.module, строка 557
- Версии
- 5
poll_cancel(&
$node)- 6
poll_cancel($form, &$form_state)
Callback for canceling a vote
Код
<?php
function poll_cancel(&$node) {
global $user;
$nid = arg(2);
if ($node = node_load($nid)) {
if ($node->type == 'poll' && $node->allowvotes == FALSE) {
if ($user->uid) {
db_query('DELETE FROM {poll_votes} WHERE nid = %d and uid = %d', $node->nid, $user->uid);
}
else {
db_query("DELETE FROM {poll_votes} WHERE nid = %d and hostname = '%s'", $node->nid, $_SERVER['REMOTE_ADDR']);
}
// Subtract from the votes.
db_query("UPDATE {poll_choices} SET chvotes = chvotes - 1 WHERE nid = %d AND chorder = %d", $node->nid, $node->vote);
$node->allowvotes = TRUE;
$node->choice[$node->vote]['chvotes']--;
drupal_set_message(t('Your vote was canceled.'));
}
else {
drupal_set_message(t("You are not allowed to cancel an invalid poll choice."), 'error');
}
drupal_goto('node/'. $nid);
}
else {
drupal_not_found();
}
}
?>
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