// Retrieve the filters of the specified text format, if any.
if (isset($format)) {
- $filters = FilterFormat::load($format)->filters();
+ $filter_format = FilterFormat::load($format);
// If the specified format does not exist, return nothing. $text is already
// filtered text, but the remainder of this function will not be able to
// ensure a sane and secure summary.
- if (!$filters) {
+ if (!$filter_format || !($filters = $filter_format->filters())) {
return '';
}
}