sendMultiple() public method Sends multiple messages at once. The default implementation simply calls send() multiple times. Child classes may override this method to implement more efficient way of sending multiple messages. public integer sendMultiple ( array $messages )$messages array List of email messages, which should be sent. return integer Number of messages that are successfully sent.

getMessageFilePath() protected method Returns message file path for the specified language and category. protected string getMessageFilePath ( $category, $language )$category string The message category $language string The target language return string Path to message file

getControllerNamespace() public method public string getControllerNamespace ( )return string The controller namespace of the module.

getQueryString() public method Returns part of the request URL that is after the question mark. public string getQueryString ( )return string Part of the request URL that is after the question mark

$indexBy public property The name of the column by which the query results should be indexed by. This can also be a callable (e.g. anonymous function) that returns the index value based on the given row data. For more details, see indexBy(). This property is only used by all(). public string|callable $indexBy = null

fetchData() protected method Fetches the next batch of data. protected array fetchData ( )return array The data fetched

clientValidateAttribute() public method Returns the JavaScript needed for performing client-side validation. You may override this method to return the JavaScript validation code if the validator can support client-side validation. The following JavaScript variables are predefined and can be used in the validation code: attribute: an object describing the the attribute being validated. value: the value being validated. messages: an array used to hold the validation error messages for the

getInputId() protected method (available since version 2.0.7) Returns the HTML id of the input element of this form field. protected string getInputId ( )return string The input id.

update() public method Creates an UPDATE command. For example, $connection->createCommand()->update('user', ['status' => 1], 'age > 30')->execute(); The method will properly escape the column names and bind the values to be updated. Note that the created command is not executed until execute() is called. public $this update ( $table, $columns, $condition = '', $params = [] )$table string The table to be updated. $columns array The column data (name => value) to be up

releaseLock() protected abstract method This method should be extended by a concrete Mutex implementations. Releases lock by given name. protected abstract boolean releaseLock ( $name )$name string Of the lock to be released. return boolean Release result.