XoopsGroupFormCheckBox renders checkbox options for a group permission form
class XoopsGroupFormCheckBox extends XoopsFormElement{/*** Pre-selected value(s)** @var array ;*/public $_value = array();/*** Group ID** @var int*/public $_groupId;/*** Option tree** @var array*/public $_optionTree = array();/*** Constructor* @param $caption* @param $name* @param $groupId* @param null $values*/public function __construct($caption, $name, $groupId, $values = null){$this->setCaption($caption);$this->setName($name);if (isset($values)) {$this->setValue($values);}$this->_groupId = $groupId;}