sendMessage() protected method Sends the specified message. This method should be implemented by child classes with the actual email sending logic. protected boolean sendMessage ( $message )$message yii\mail\MessageInterface The message to be sent return boolean Whether the message is sent successfully

flushValues() protected method Deletes all values from cache. This is the implementation of the method declared in the parent class. protected boolean flushValues ( )return boolean Whether the flush operation was successful.

isAssociative() public static method Returns a value indicating whether the given array is an associative array. An array is associative if all its keys are strings. If $allStrings is false, then an array will be treated as associative if at least one of its keys is a string. Note that an empty array will NOT be considered associative. public static boolean isAssociative ( $array, $allStrings = true )$array array The array being checked $allStrings boolean Whether the array keys must b

flushValues() protected method Deletes all values from cache. Child classes may implement this method to realize the flush operation. protected boolean flushValues ( )return boolean Whether the flush operation was successful.

addItem() protected abstract method Adds an auth item to the RBAC system. protected abstract boolean addItem ( $item )$item yii\rbac\Item The item to add return boolean Whether the auth item is successfully added to the system throws Exception if data validation or saving fails (such as the name of the role or permission is not unique)

renderSelectOptions() public static method Renders the option tags that can be used by dropDownList() and listBox(). public static string renderSelectOptions ( $selection, $items, &$tagOptions = [] )$selection string|array|null The selected value(s). String for single or array for multiple selection(s). $items array The option data items. The array keys are option values, and the array values are the corresponding option labels. The array can also be nested (i.e. some array value

$translatedMessage public property The translated message. An event handler may overwrite this property with a translated version of $message if possible. If not set (null), it means the message is not translated. public string $translatedMessage = null

requireTableSchemaRefresh() protected method (available since version 2.0.6) Marks a specified table schema to be refreshed after command execution. protected $this requireTableSchemaRefresh ( $name )$name string Name of the table, which schema should be refreshed. return $this This command instance

getUserAgent() public method Returns the user agent. public string|null getUserAgent ( )return string|null User agent, null if not available

renderToggleButton() protected method Renders collapsible toggle button. protected string renderToggleButton ( )return string The rendering toggle button.