added a large amount of missing documentation

extensions/authclient/widgets/Choice.php

@@ -72,6 +72,7 @@ class Choice extends Widget
 	public $clientIdGetParamName = 'authclient';
 	/**
 	 * @var array the HTML attributes that should be rendered in the div HTML tag representing the container element.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [
 		'class' => 'auth-clients'

extensions/bootstrap/ButtonDropdown.php

@@ -39,6 +39,7 @@ class ButtonDropdown extends Widget
 	public $label = 'Button';
 	/**
 	 * @var array the HTML attributes of the button.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

extensions/bootstrap/NavBar.php

@@ -42,13 +42,17 @@ class NavBar extends Widget
 	/**
 	 * @var array the HTML attributes for the widget container tag. The following special options are recognized:
 	 *
-	 * - tag: string, defaults to "nav", the name of the container tag
+	 * - tag: string, defaults to "nav", the name of the container tag.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
 	 * @var array the HTML attributes for the container tag. The following special options are recognized:
 	 *
-	 * - tag: string, defaults to "div", the name of the container tag
+	 * - tag: string, defaults to "div", the name of the container tag.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $containerOptions = [];
 	/**
@@ -63,6 +67,7 @@ class NavBar extends Widget
 	public $brandUrl;
 	/**
 	 * @var array the HTML attributes of the brand link.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $brandOptions = [];
 	/**
@@ -76,6 +81,7 @@ class NavBar extends Widget
 	public $renderInnerContainer = true;
 	/**
 	 * @var array the HTML attributes of the inner container.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $innerContainerOptions = [];
 

extensions/bootstrap/Progress.php

@@ -60,7 +60,7 @@ use yii\helpers\Html;
 class Progress extends Widget
 {
 	/**
-	 * @var string the button label
+	 * @var string the button label.
 	 */
 	public $label;
 	/**
@@ -68,7 +68,8 @@ class Progress extends Widget
 	 */
 	public $percent = 0;
 	/**
-	 * @var array the HTML attributes of the bar
+	 * @var array the HTML attributes of the bar.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $barOptions = [];
 	/**
@@ -84,6 +85,7 @@ class Progress extends Widget
 	 *     // optional, array, additional HTML attributes for the bar tag
 	 *     'options' => [],
 	 * ]
+	 * ```
 	 */
 	public $bars;
 

extensions/bootstrap/Tabs.php

@@ -75,16 +75,20 @@ class Tabs extends Widget
 	 * 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 [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 	/**
 	 * @var array list of HTML attributes for the header container tags. This will be overwritten
 	 * by the "headerOptions" set in individual [[items]].
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $headerOptions = [];
 	/**
 	 * @var array list of HTML attributes for the tab header link tags. This will be overwritten
 	 * by the "linkOptions" set in individual [[items]].
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $linkOptions = [];
 	/**

extensions/bootstrap/Widget.php

@@ -21,6 +21,7 @@ class Widget extends \yii\base\Widget
 {
 	/**
 	 * @var array the HTML attributes for the widget container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

extensions/jui/Accordion.php

@@ -47,6 +47,8 @@ class Accordion extends Widget
 	 * @var array 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 [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
@@ -69,6 +71,8 @@ class Accordion extends Widget
 	 * 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 [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 	/**
@@ -76,6 +80,8 @@ class Accordion extends Widget
 	 * 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 [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $headerOptions = [];
 

extensions/jui/DatePicker.php

@@ -56,6 +56,7 @@ class DatePicker extends InputWidget
 	public $inline = false;
 	/**
 	 * @var array the HTML attributes for the container tag. This is only used when [[inline]] is true.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $containerOptions = [];
 

extensions/jui/Selectable.php

@@ -51,7 +51,9 @@ class Selectable extends Widget
 	/**
 	 * @var array the HTML attributes for the widget container tag. The following special options are recognized:
 	 *
-	 * - tag: string, defaults to "ul", the tag name of the container tag of this widget
+	 * - tag: string, defaults to "ul", the tag name of the container tag of this widget.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
@@ -72,6 +74,8 @@ class Selectable extends Widget
 	 * by the "options" set in individual [[items]]. The following special options are recognized:
 	 *
 	 * - tag: string, defaults to "li", the tag name of the item container tags.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 

extensions/jui/SliderInput.php

@@ -55,6 +55,7 @@ class SliderInput extends InputWidget
 	];
 	/**
 	 * @var array the HTML attributes for the container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $containerOptions = [];
 

extensions/jui/Sortable.php

@@ -41,7 +41,9 @@ class Sortable extends Widget
 	/**
 	 * @var array the HTML attributes for the widget container tag. The following special options are recognized:
 	 *
-	 * - tag: string, defaults to "ul", the tag name of the container tag of this widget
+	 * - tag: string, defaults to "ul", the tag name of the container tag of this widget.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
@@ -62,6 +64,8 @@ class Sortable extends Widget
 	 * by the "options" set in individual [[items]]. The following special options are recognized:
 	 *
 	 * - tag: string, defaults to "li", the tag name of the item container tags.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 

extensions/jui/Tabs.php

@@ -56,7 +56,9 @@ class Tabs extends Widget
 	/**
 	 * @var array 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
+	 * - tag: string, defaults to "div", the tag name of the container tag of this widget.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
@@ -77,11 +79,14 @@ class Tabs extends Widget
 	 * 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 [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 	/**
 	 * @var array list of HTML attributes for the header container tags. This will be overwritten
 	 * by the "headerOptions" set in individual [[items]].
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $headerOptions = [];
 	/**

extensions/jui/Widget.php

@@ -24,6 +24,7 @@ class Widget extends \yii\base\Widget
 	public static $theme = 'yii\jui\ThemeAsset';
 	/**
 	 * @var array the HTML attributes for the widget container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

framework/captcha/Captcha.php

@@ -41,6 +41,7 @@ class Captcha extends InputWidget
 	public $captchaAction = 'site/captcha';
 	/**
 	 * @var array HTML attributes to be applied to the CAPTCHA image tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $imageOptions = [];
 	/**
@@ -51,9 +52,11 @@ class Captcha extends InputWidget
 	public $template = '{image} {input}';
 	/**
 	 * @var array the HTML attributes for the input tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'form-control'];
 
+
 	/**
 	 * Initializes the widget.
 	 */

framework/grid/CheckboxColumn.php

@@ -39,11 +39,25 @@ use yii\helpers\Html;
  */
 class CheckboxColumn extends Column
 {
+	/**
+	 * @var string the name of the input checkbox input fields. This will be appended with `[]` to ensure it is an array.
+	 */
 	public $name = 'selection';
+	/**
+	 * @var array HTML attributes for the checkboxes.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
+	 */
 	public $checkboxOptions = [];
+	/**
+	 * @var bool whether it is possible to select multiple rows. Defaults to `true`.
+	 */
 	public $multiple = true;
 
 
+	/**
+	 * @inheritdoc
+	 * @throws \yii\base\InvalidConfigException if [[name]] is not set.
+	 */
 	public function init()
 	{
 		parent::init();

framework/grid/Column.php

@@ -39,15 +39,33 @@ class Column extends Object
 	 * @var boolean whether this column is visible. Defaults to true.
 	 */
 	public $visible = true;
+	/**
+	 * @var array the HTML attributes for the column group tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
+	 */
 	public $options = [];
+	/**
+	 * @var array the HTML attributes for the header cell tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
+	 */
 	public $headerOptions = [];
 	/**
-	 * @var array|\Closure
+	 * @var array|\Closure the HTML attributes for the data cell tag. This can either be an array of
+	 * attributes or an anonymous function that ([[Closure]]) that returns such an array.
+	 * The signature of the function should be the following: `function ($model, $key, $index, $gridView)`.
+	 * A function may be used to assign different attributes to different rows based on the data in that row.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $contentOptions = [];
+	/**
+	 * @var array the HTML attributes for the footer cell tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
+	 */
 	public $footerOptions = [];
 	/**
 	 * @var array the HTML attributes for the filter cell tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $filterOptions = [];
 

framework/grid/DataColumn.php

@@ -62,6 +62,7 @@ class DataColumn extends Column
 	/**
 	 * @var array the HTML attributes for the link tag in the header cell
 	 * generated by [[\yii\data\Sort::link]] when sorting is enabled for this column.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $sortLinkOptions = [];
 	/**
@@ -78,10 +79,14 @@ class DataColumn extends Column
 	 * @var array the HTML attributes for the filter input fields. This property is used in combination with
 	 * the [[filter]] property. When [[filter]] is not set or is an array, this property will be used to
 	 * render the HTML attributes for the generated filter input fields.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $filterInputOptions = ['class' => 'form-control', 'id' => null];
 
 
+	/**
+	 * @inheritdoc
+	 */
 	protected function renderHeaderCellContent()
 	{
 		if ($this->header !== null || $this->label === null && $this->attribute === null) {
@@ -117,6 +122,9 @@ class DataColumn extends Column
 		}
 	}
 
+	/**
+	 * @inheritdoc
+	 */
 	protected function renderFilterCellContent()
 	{
 		if (is_string($this->filter)) {

framework/grid/GridView.php

@@ -41,25 +41,30 @@ class GridView extends BaseListView
 	 */
 	public $caption;
 	/**
-	 * @var array the HTML attributes for the caption element
+	 * @var array the HTML attributes for the caption element.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @see caption
 	 */
 	public $captionOptions = [];
 	/**
-	 * @var array the HTML attributes for the grid table element
+	 * @var array the HTML attributes for the grid table element.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $tableOptions = ['class' => 'table table-striped table-bordered'];
 	/**
 	 * @var array the HTML attributes for the container tag of the grid view.
 	 * The "tag" element specifies the tag name of the container element and defaults to "div".
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'grid-view'];
 	/**
-	 * @var array the HTML attributes for the table header row
+	 * @var array the HTML attributes for the table header row.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $headerRowOptions = [];
 	/**
-	 * @var array the HTML attributes for the table footer row
+	 * @var array the HTML attributes for the table footer row.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $footerRowOptions = [];
 	/**
@@ -76,6 +81,8 @@ class GridView extends BaseListView
 	 * - `$key`: the key value associated with the current data model
 	 * - `$index`: the zero-based index of the data model in the model array returned by [[dataProvider]]
 	 * - `$grid`: the GridView object
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $rowOptions = [];
 	/**
@@ -162,10 +169,12 @@ class GridView extends BaseListView
 	 */
 	public $filterPosition = self::FILTER_POS_BODY;
 	/**
-	 * @var array the HTML attributes for the filter row element
+	 * @var array the HTML attributes for the filter row element.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $filterRowOptions = ['class' => 'filters'];
 
+
 	/**
 	 * Initializes the grid view.
 	 * This method will initialize required property values and instantiate [[columns]] objects.
@@ -204,7 +213,6 @@ class GridView extends BaseListView
 		parent::run();
 	}
 
-
 	/**
 	 * Returns the options for the grid view JS widget.
 	 * @return array the options
@@ -239,6 +247,10 @@ class GridView extends BaseListView
 		return Html::tag('table', implode("\n", $content), $this->tableOptions);
 	}
 
+	/**
+	 * Renders the caption element.
+	 * @return bool|string the rendered caption element or `false` if no caption element should be rendered.
+	 */
 	public function renderCaption()
 	{
 		if (!empty($this->caption)) {
@@ -248,6 +260,10 @@ class GridView extends BaseListView
 		}
 	}
 
+	/**
+	 * Renders the column group HTML.
+	 * @return bool|string the column group HTML or `false` if no column group should be rendered.
+	 */
 	public function renderColumnGroup()
 	{
 		$requireColumnGroup = false;
@@ -271,7 +287,7 @@ class GridView extends BaseListView
 
 	/**
 	 * Renders the table header.
-	 * @return string the rendering result
+	 * @return string the rendering result.
 	 */
 	public function renderTableHeader()
 	{
@@ -292,7 +308,7 @@ class GridView extends BaseListView
 
 	/**
 	 * Renders the table footer.
-	 * @return string the rendering result
+	 * @return string the rendering result.
 	 */
 	public function renderTableFooter()
 	{
@@ -310,6 +326,7 @@ class GridView extends BaseListView
 
 	/**
 	 * Renders the filter.
+	 * @return string the rendering result.
 	 */
 	public function renderFilters()
 	{
@@ -327,7 +344,7 @@ class GridView extends BaseListView
 
 	/**
 	 * Renders the table body.
-	 * @return string the rendering result
+	 * @return string the rendering result.
 	 */
 	public function renderTableBody()
 	{
@@ -429,6 +446,10 @@ class GridView extends BaseListView
 		]);
 	}
 
+	/**
+	 * This function tries to guesses the columns to show from the given data
+	 * if [[columns]] are not explicitly specified.
+	 */
 	protected function guessColumns()
 	{
 		$models = $this->dataProvider->getModels();

framework/helpers/BaseHtml.php

@@ -120,7 +120,7 @@ class BaseHtml
 	 * For example when using `['class' => 'my-class', 'target' => '_blank', 'value' => null]` it will result in the
 	 * html attributes rendered like this: `class="my-class" target="_blank"`.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated HTML tag
 	 * @see beginTag()
@@ -138,7 +138,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated start tag
 	 * @see endTag()
 	 * @see tag()
@@ -167,7 +167,7 @@ class BaseHtml
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
 	 * If the options does not contain "type", a "type" attribute with value "text/css" will be used.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated style tag
 	 */
 	public static function style($content, $options = [])
@@ -182,7 +182,7 @@ class BaseHtml
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
 	 * If the options does not contain "type", a "type" attribute with value "text/javascript" will be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated script tag
 	 */
 	public static function script($content, $options = [])
@@ -196,7 +196,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated link tag
 	 * @see url()
 	 */
@@ -215,7 +215,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated script tag
 	 * @see url()
 	 */
@@ -235,7 +235,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated form start tag.
 	 * @see endForm()
 	 */
@@ -304,7 +304,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated hyperlink
 	 * @see url()
 	 */
@@ -326,7 +326,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated mailto link
 	 */
 	public static function mailto($text, $email = null, $options = [])
@@ -341,7 +341,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated image tag
 	 */
 	public static function img($src, $options = [])
@@ -363,7 +363,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated label tag
 	 */
 	public static function label($content, $for = null, $options = [])
@@ -380,7 +380,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function button($content = 'Button', $options = [])
@@ -396,7 +396,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated submit button tag
 	 */
 	public static function submitButton($content = 'Submit', $options = [])
@@ -413,7 +413,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated reset button tag
 	 */
 	public static function resetButton($content = 'Reset', $options = [])
@@ -430,7 +430,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function input($type, $name = null, $value = null, $options = [])
@@ -447,7 +447,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function buttonInput($label = 'Button', $options = [])
@@ -463,7 +463,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function submitInput($label = 'Submit', $options = [])
@@ -478,7 +478,7 @@ class BaseHtml
 	 * @param string $label the value attribute. If it is null, the value attribute will not be generated.
 	 * @param array $options the attributes of the button tag. The values will be HTML-encoded using [[encode()]].
 	 * Attributes whose value is null will be ignored and not put in the tag returned.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function resetInput($label = 'Reset', $options = [])
@@ -495,7 +495,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function textInput($name, $value = null, $options = [])
@@ -510,7 +510,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function hiddenInput($name, $value = null, $options = [])
@@ -525,7 +525,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function passwordInput($name, $value = null, $options = [])
@@ -543,7 +543,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated button tag
 	 */
 	public static function fileInput($name, $value = null, $options = [])
@@ -558,7 +558,7 @@ class BaseHtml
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
 	 * If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated text area tag
 	 */
 	public static function textarea($name, $value = '', $options = [])
@@ -586,7 +586,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting radio button tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated radio button tag
 	 */
@@ -636,7 +636,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting checkbox tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated checkbox tag
 	 */
@@ -697,7 +697,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated drop-down list tag
 	 */
@@ -744,7 +744,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated list box tag
 	 */
@@ -800,7 +800,7 @@ class BaseHtml
 	 * is the label for the checkbox; and $name, $value and $checked represent the name,
 	 * value and the checked status of the checkbox input, respectively.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated checkbox list
 	 */
@@ -871,7 +871,7 @@ class BaseHtml
 	 * is the label for the radio button; and $name, $value and $checked represent the name,
 	 * value and the checked status of the radio button input, respectively.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated radio button list
 	 */
@@ -930,7 +930,7 @@ class BaseHtml
 	 * where $index is the array key corresponding to `$item` in `$items`. The callback should return
 	 * the whole list item tag.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated unordered list. An empty string is returned if `$items` is empty.
 	 */
@@ -974,7 +974,7 @@ class BaseHtml
 	 * where $index is the array key corresponding to `$item` in `$items`. The callback should return
 	 * the whole list item tag.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated ordered list. An empty string is returned if `$items` is empty.
 	 */
@@ -999,7 +999,7 @@ class BaseHtml
 	 *   If this is not set, [[Model::getAttributeLabel()]] will be called to get the label for display
 	 *   (after encoding).
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated label tag
 	 */
@@ -1025,7 +1025,7 @@ class BaseHtml
 	 *
 	 * - tag: this specifies the tag name. If not set, "div" will be used.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated label tag
 	 */
@@ -1048,7 +1048,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function activeInput($type, $model, $attribute, $options = [])
@@ -1070,7 +1070,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function activeTextInput($model, $attribute, $options = [])
@@ -1087,7 +1087,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function activeHiddenInput($model, $attribute, $options = [])
@@ -1104,7 +1104,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function activePasswordInput($model, $attribute, $options = [])
@@ -1121,7 +1121,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated input tag
 	 */
 	public static function activeFileInput($model, $attribute, $options = [])
@@ -1140,7 +1140,7 @@ class BaseHtml
 	 * about attribute expression.
 	 * @param array $options the tag options in terms of name-value pairs. These will be rendered as
 	 * the attributes of the resulting tag. The values will be HTML-encoded using [[encode()]].
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 * @return string the generated textarea tag
 	 */
 	public static function activeTextarea($model, $attribute, $options = [])
@@ -1173,7 +1173,7 @@ class BaseHtml
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated radio button tag
 	 */
@@ -1216,7 +1216,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated checkbox tag
 	 */
@@ -1272,7 +1272,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated drop-down list tag
 	 */
@@ -1324,7 +1324,7 @@ class BaseHtml
 	 *
 	 * The rest of the options will be rendered as the attributes of the resulting tag. The values will
 	 * be HTML-encoded using [[encode()]]. If a value is null, the corresponding attribute will not be rendered.
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated list box tag
 	 */
@@ -1369,7 +1369,7 @@ class BaseHtml
 	 * is the label for the checkbox; and $name, $value and $checked represent the name,
 	 * value and the checked status of the checkbox input.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated checkbox list
 	 */
@@ -1413,7 +1413,7 @@ class BaseHtml
 	 * is the label for the radio button; and $name, $value and $checked represent the name,
 	 * value and the checked status of the radio button input.
 	 *
-	 * See [[renderTagAttributes()]] for details on how these are being rendered.
+	 * See [[renderTagAttributes()]] for details on how attributes are being rendered.
 	 *
 	 * @return string the generated radio button list
 	 */
@@ -1488,6 +1488,8 @@ class BaseHtml
 	 *
 	 * Attributes whose values are null will not be rendered.
 	 *
+	 * The values of attributes will be HTML-encoded using [[encode()]].
+	 *
 	 * The "data" attribute is specially handled when it is receiving an array value. In this case,
 	 * the array will be "expanded" and a list data attributes will be rendered. For example,
 	 * if `'data' => ['id' => 1, 'name' => 'yii']`, then this will be rendered:

framework/widgets/ActiveField.php

@@ -40,6 +40,8 @@ class ActiveField extends Component
 	 * The following special options are recognized:
 	 *
 	 * - tag: the tag name of the container element. Defaults to "div".
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'form-group'];
 	/**
@@ -50,6 +52,7 @@ class ActiveField extends Component
 	/**
 	 * @var array the default options for the input tags. The parameter passed to individual input methods
 	 * (e.g. [[textInput()]]) will be merged with this property when rendering the input tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $inputOptions = ['class' => 'form-control'];
 	/**
@@ -58,11 +61,14 @@ class ActiveField extends Component
 	 * The following special options are recognized:
 	 *
 	 * - tag: the tag name of the container element. Defaults to "div".
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $errorOptions = ['class' => 'help-block'];
 	/**
 	 * @var array the default options for the label tags. The parameter passed to [[label()]] will be
 	 * merged with this property when rendering the label tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $labelOptions = ['class' => 'control-label'];
 	/**
@@ -71,6 +77,8 @@ class ActiveField extends Component
 	 * The following special options are recognized:
 	 *
 	 * - tag: the tag name of the container element. Defaults to "div".
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $hintOptions = ['class' => 'hint-block'];
 	/**

framework/widgets/ActiveForm.php

@@ -34,8 +34,7 @@ class ActiveForm extends Widget
 	public $method = 'post';
 	/**
 	 * @var array the HTML attributes (name-value pairs) for the form tag.
-	 * The values will be HTML-encoded using [[\yii\helpers\Html::encode()]].
-	 * If a value is null, the corresponding attribute will not be rendered.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

framework/widgets/BaseListView.php

@@ -22,6 +22,7 @@ abstract class BaseListView extends Widget
 	/**
 	 * @var array the HTML attributes for the container tag of the list view.
 	 * The "tag" element specifies the tag name of the container element and defaults to "div".
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

framework/widgets/Breadcrumbs.php

@@ -53,6 +53,7 @@ class Breadcrumbs extends Widget
 	public $tag = 'ul';
 	/**
 	 * @var array the HTML attributes for the breadcrumb container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'breadcrumb'];
 	/**

framework/widgets/DetailView.php

@@ -91,6 +91,7 @@ class DetailView extends Widget
 	/**
 	 * @var array the HTML attributes for the container tag of this widget. The "tag" option specifies
 	 * what container tag should be used. It defaults to "table" if not set.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'table table-striped table-bordered detail-view'];
 	/**
@@ -100,6 +101,7 @@ class DetailView extends Widget
 	 */
 	public $formatter;
 
+
 	/**
 	 * Initializes the detail view.
 	 * This method will initialize required property values.

framework/widgets/InputWidget.php

@@ -43,6 +43,7 @@ class InputWidget extends Widget
 	public $value;
 	/**
 	 * @var array the HTML attributes for the input tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 

framework/widgets/LinkPager.php

@@ -35,10 +35,12 @@ class LinkPager extends Widget
 	public $pagination;
 	/**
 	 * @var array HTML attributes for the pager container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'pagination'];
 	/**
 	 * @var array HTML attributes for the link in a pager container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $linkOptions = [];
 	/**

framework/widgets/LinkSorter.php

@@ -34,7 +34,8 @@ class LinkSorter extends Widget
 	public $attributes;
 	/**
 	 * @var array HTML attributes for the sorter container tag.
-	 * See [[\yii\helpers\Html::ul()]] for special attributes.
+	 * @see \yii\helpers\Html::ul() for special attributes.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'sorter'];
 

framework/widgets/ListView.php

@@ -22,6 +22,7 @@ class ListView extends BaseListView
 	 * @var array the HTML attributes for the container of the rendering result of each data model.
 	 * The "tag" element specifies the tag name of the container element and defaults to "div".
 	 * If "tag" is false, it means no container element will be rendered.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 	/**
@@ -55,6 +56,7 @@ class ListView extends BaseListView
 	/**
 	 * @var array the HTML attributes for the container tag of the list view.
 	 * The "tag" element specifies the tag name of the container element and defaults to "div".
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'list-view'];
 

framework/widgets/MaskedInput.php

@@ -63,6 +63,7 @@ class MaskedInput extends InputWidget
 	public $completed;
 	/**
 	 * @var array the HTML attributes for the input tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = ['class' => 'form-control'];
 

framework/widgets/Menu.php

@@ -74,6 +74,8 @@ class Menu extends Widget
 	 * by the "options" set in individual [[items]]. The following special options are recognized:
 	 *
 	 * - tag: string, defaults to "li", the tag name of the item container tags.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $itemOptions = [];
 	/**
@@ -122,6 +124,8 @@ class Menu extends Widget
 	 * @var array the HTML attributes for the menu's container tag. The following special options are recognized:
 	 *
 	 * - tag: string, defaults to "ul", the tag name of the item container tags.
+	 *
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**

framework/widgets/Pjax.php

@@ -45,6 +45,7 @@ class Pjax extends Widget
 {
 	/**
 	 * @var array the HTML attributes for the widget container tag.
+	 * See [[\yii\helpers\Html::renderTagAttributes()]] for details on how attributes are being rendered.
 	 */
 	public $options = [];
 	/**
@@ -79,7 +80,7 @@ class Pjax extends Widget
 	 */
 	public $scrollTo = false;
 	/**
-	 * @var array additional options to be passed to the pjax JS plugin. Please refer to
+	 * @var array additional options to be passed to the pjax JS plugin. Please refer to the
 	 * [pjax project page](https://github.com/yiisoft/jquery-pjax) for available options.
 	 */
 	public $clientOptions;