22      * @param array $options The available options
25     public function __construct($name, $options, $label = '')  argument
29         $this->optGroups[''] = new OptGroup(null, $options);
37      * @param array $options
41     public function addOptGroup($label, $options)  argument
46         $this->optGroups[$label] = new OptGroup($label, $options);
69         foreach ($optGroups as $label => $options) {
70             $this->addOptGroup($label, $options);
88      * @param null|array $options
91     public function options($options = null)  function in dokuwiki\\Form\\DropdownElement
93         if ($options === null) {
94             return $this->optGroups['']->options();
96         $this->optGroups[''] = new OptGroup(null, $options);
137         $options = $this->options();
138         if (!empty($options)) {
139             $keys = array_keys($options);
143             $options = $optGroup->options();
144             if (!empty($options)) {
145                 $keys = array_keys($options);