function FilterPluginBase::prepareFilterSelectOptions

Sanitizes the HTML select element's options.

The function is recursive to support optgroups.

File

core/modules/views/src/Plugin/views/filter/FilterPluginBase.php, line 1320

Class

FilterPluginBase

Base class for Views filters handler plugins.

Namespace

Code

protected function prepareFilterSelectOptions(&$options) {
    foreach ($options as $value => $label) {
        // Recurse for optgroups.
        if (is_array($label)) {
            $this->prepareFilterSelectOptions($options[$value]);
        }
        elseif (is_object($label) && isset($label->option)) {
            $this->prepareFilterSelectOptions($options[$value]->option);
        }
        else {
            // Cast the label to a string since it can be an object.
            // @see \Drupal\Core\StringTranslation\TranslatableMarkup
            $options[$value] = strip_tags(Html::decodeEntities((string) $label));
        }
    }
}