$defaultRoles public property A list of role names that are assigned to every user automatically without calling assign(). public array $defaultRoles = []

max() public method Returns the maximum of the specified column values. public mixed max ( $q, $db = null )$q string The column name or expression. Make sure you properly quote column names in the expression. $db yii\db\Connection The database connection used to generate the SQL statement. If this parameter is not given, the db application component will be used. return mixed The maximum of the specified column values.

run() public method Runs the application. This is the main entrance of an application. public integer run ( )return integer The exit status (0 means normal, non-zero values mean abnormal)

first() public method (available since version 2.0.8) Adds an FIRST constraint to the column. Note: MySQL, Oracle and Cubrid support only. public $this first ( )

requiredTemplates() public method Returns a list of code template files that are required. Derived classes usually should override this method if they require the existence of certain template files. public array requiredTemplates ( )return array List of code template files that are required. They should be file paths relative to $templatePath.

defaultViewOptions() protected method Returns the default $viewOptions value. Particular client may override this method in order to provide specific default view options. protected array defaultViewOptions ( )return array List of default $viewOptions

releaseSavepoint() public method Releases an existing savepoint. public void releaseSavepoint ( $name )$name string The savepoint name

scalar() public method Returns the query result as a scalar value. The value returned will be the first column in the first row of the query results. public string|null|false scalar ( $db = null )$db yii\db\Connection The database connection used to generate the SQL statement. If this parameter is not given, the db application component will be used. return string|null|false The value of the first column in the first row of the query result. False is returned if the query result is e

removeChild() public method Removes a child from its parent. Note, the child item is not deleted. Only the parent-child relationship is removed. public boolean removeChild ( $parent, $child )$parent yii\rbac\Item $child yii\rbac\Item return boolean Whether the removal is successful

each() public method (available since version 2.1) Starts a batch query and retrieves data row by row. This method is similar to batch() except that in each iteration of the result, only one row of data is returned. For example, $query = (new Query)->from('user'); foreach ($query->each() as $row) { } public yii\mongodb\BatchQueryResult each ( $batchSize = 100, $db = null )$batchSize integer The number of records to be fetched in each batch. $db yii\mongodb\Connection The MongoDB