aggregate() public method Generates 'aggregate' command. public array aggregate ( $collectionName, $pipelines, $options = [] )$collectionName string Collection name $pipelines array List of pipeline operators. $options array Optional parameters. return array Command document.

getQueryBuilder() public method (available since version 2.1) Returns the query builder for the this MongoDB connection. public yii\mongodb\QueryBuilder getQueryBuilder ( )return yii\mongodb\QueryBuilder The query builder for the this MongoDB connection.

groupBy() public method Sets the GROUP BY part of the query. See also addGroupBy(). public $this groupBy ( $columns )$columns string|array|yii\db\Expression The columns to be grouped by. Columns can be specified in either a string (e.g. "id, name") or an array (e.g. ['id', 'name']). The method will automatically quote the column names unless a column contains some parenthesis (which means the column contains a DB expression). Note that if your group-by is an expression containing comma

$schemaNames public read-only property All schema names in the database, except system schemas. public string[] getSchemaNames ( $refresh = false )

$messageClass public property Message default class name. public string $messageClass = 'yii\swiftmailer\Message'

init() public method Initializes the widget. public void init ( )

$cainfo public property The name of a file holding one or more certificates to verify the peer with. This value will take effect only if $verifyPeer is set. public string $cainfo = null

$apiBaseUrl public property API base URL. API base URL. public string $apiBaseUrl = 'https://graph.qq.com'

$exceptionView public property The path of the view file for rendering exceptions. public string $exceptionView = '@yii/views/errorHandler/exception.php'

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