$containerOptions public property The HTML attributes for the container tag. This is only used when $inline is true. See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. public array $containerOptions = []

$attribute public property The model attribute that this widget is associated with. The value of the attribute will be converted using `Yii::$app->formatter->asDate()` with the $dateFormat if it is not null. public string $attribute = null

run() public method Renders the widget. public void run ( )

$options public property The HTML attributes for the widget container tag. The following special options are recognized: tag: string, defaults to "div", the tag name of the container tag of this widget See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. public array $options = []

$items public property List of collapsible items. Each item can be an array of the following structure: [ 'header' => 'Item header', 'content' => 'Item content', // the HTML attributes of the item header container tag. This will overwrite "headerOptions". 'headerOptions' => [], // the HTML attributes of the item container tag. This will overwrite "itemOptions". 'options' => [], ] public array $items = []

run() public method Renders the widget. public void run ( )

renderItems() protected method Renders collapsible items as specified on $items. protected string renderItems ( )return string The rendering result. throws \yii\jui\InvalidConfigException.

$headerOptions public property List of HTML attributes for the item header container tags. This will be overwritten by the "headerOptions" set in individual $items. The following special options are recognized: tag: string, defaults to "h3", the tag name of the item container tags. See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. public array $headerOptions = []

$itemOptions public property List of HTML attributes for the item container tags. This will be overwritten by the "options" set in individual $items. The following special options are recognized: tag: string, defaults to "div", the tag name of the item container tags. See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. public array $itemOptions = []

Locale and Language Message Translation Message Formatting View Translation Formatting Date and Number Values Setting Up PHP Environment Internationalization (I18N) refers to the process of designing a software application so that it can be adapted to various languages and regions without engineering changes. For Web applications, this is of particular importance because the potential users may be worldwide. Yii offers a full spectrum of I18N features that support message translation, view tra