getDriverName() public method Returns the name of the DB driver. Based on the the current $dsn, in case it was not set explicitly by an end user. public string getDriverName ( )return string Name of the DB driver

$csrfParam public property The name of the token used to prevent CSRF. Defaults to '_csrf'. This property is used only when $enableCsrfValidation is true. public string $csrfParam = '_csrf'

buildAfterString() protected method Builds the after constraint for the column. Defaults to unsupported. protected string buildAfterString ( )return string A string containing the AFTER constraint.

limit() public method Sets the LIMIT part of the query. public $this limit ( $limit )$limit integer The limit. Use null or negative value to disable limit. return $this The query object itself

checkIntegrity() public method Builds a SQL statement for enabling or disabling integrity check. public string checkIntegrity ( $check = true, $schema = '', $table = '' )$check boolean Whether to turn on or off the integrity check. $schema string The schema of the tables. Meaningless for MySQL. $table string The table name. Meaningless for MySQL. return string The SQL statement for checking integrity

filter() public method Sets the filter part of this search query. public $this filter ( $filter )$filter string return $this The query object itself

average() public method Returns the average of the specified column values. public mixed average ( $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 average of the specified column values.

denyAccess() protected method Denies the access of the user. The default implementation will redirect the user to the login page if he is a guest; if the user is already logged, a 403 HTTP exception will be thrown. protected void denyAccess ( $user )$user yii\web\User The current user throws yii\web\ForbiddenHttpException if the user is already logged in.

generateRelationName() protected method Generate a relation name for the specified table and a base name. protected string generateRelationName ( $relations, $table, $key, $multiple )$relations array The relations being generated currently. $table yii\db\TableSchema The table schema $key string A base name that the relation name may be generated from $multiple boolean Whether this is a has-many relation return string The relation name

getHostInfo() public method Returns the schema and host part of the current request URL. The returned URL does not have an ending slash. By default this is determined based on the user request information. You may explicitly specify it by setting the hostInfo property. See also setHostInfo(). public string|null getHostInfo ( )return string|null Schema and hostname part (with port number if needed) of the request URL (e.g. http://www.yiiframework.com), null if can't be obtained from $_S