protected static function prepareItemsList($items, $delimiter = ",", $validator = null)
{
$_items = false;
if (is_numeric($items)) {
$_items = array(intval($items));
}
if (is_string($items) && $_items === false) {
// remove any accidental delimiters
$items = trim($items, $delimiter);
$_items = self::createItemsList($items, $delimiter);
}
if (is_array($items)) {
$_items = $items;
}
if (is_array($_items) && Valid::itemsList($_items, $validator)) {
return $_items;
}
return false;
}