| Versions | |
|---|---|
| 4.7 – 6 | poll_validate($node) |
| 7 | poll_validate($node, $form) |
Implementation of hook_validate().
modules/
<?php
function poll_validate($node) {
if (isset($node->title)) {
// Check for at least two options and validate amount of votes:
$realchoices = 0;
// Renumber fields
$node->choice = array_values($node->choice);
foreach ($node->choice as $i => $choice) {
if ($choice['chtext'] != '') {
$realchoices++;
}
if ($choice['chvotes'] < 0) {
form_set_error("choice][$i][chvotes", t('Negative values are not allowed.'));
}
}
if ($realchoices < 2) {
form_set_error("choice][$realchoices][chtext", t('You must fill in at least two choices.'));
}
}
}
?>