$version public property The version of the HTTP protocol to use. If not set, it will be determined via $_SERVER['SERVER_PROTOCOL'], or '1.1' if that is not available. public string $version = null

$foreignKeys public property Foreign keys of this table. Each array element is of the following structure: [ 'ForeignTableName', 'fk1' => 'pk1', // pk1 is in foreign table 'fk2' => 'pk2', // if composite foreign key ] public array $foreignKeys = []

getActionId() protected method (available since version 2.0.7) Returns an action ID by converting yii\base\Action::$uniqueId into an ID relative to the module protected string getActionId ( $action )$action yii\base\Action

init() public method Initializes MySQL specific mutex component implementation. public void init ( )throws yii\base\InvalidConfigException if $db is not MySQL connection.

init() public method Initializes the Cache component. This method will initialize the $db property to make sure it refers to a valid MongoDB connection. public void init ( )throws yii\base\InvalidConfigException if $db is invalid.

has() public method Returns whether there is a cookie with the specified name. Note that if a cookie is marked for deletion from browser, this method will return false. See also remove(). public boolean has ( $name )$name string The cookie name return boolean Whether the named cookie exists

$logCollection public property The name of the MongoDB collection that stores the session data. Please refer to yii\mongodb\Connection::getCollection() on how to specify this parameter. This collection is better to be pre-created with fields 'id' and 'expire' indexed. public string|array $logCollection = 'log'

$headerOptions public property The HTML attributes for the header cell tag. See also yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered. public array $headerOptions = []

renderHeaderCellContent() protected method Renders the header cell content. The default implementation simply renders $header. This method may be overridden to customize the rendering of the header cell. protected string renderHeaderCellContent ( )return string The rendering result

getIsActive() public method Returns a value indicating whether the DB connection is established. public boolean getIsActive ( )return boolean Whether the DB connection is established