createValidator() public static method Creates a validator

$skipOnError public property Whether this validation rule should

$isEmpty public property A PHP callable that replaces the default

init() public method Initializes the object.

validate() public method Validates a given value.

validateAttributes() public method Validates the specified

$on public property Scenarios that the validator can be applied

$message public property The user-defined error message. It may

$enableClientValidation public property Whether to enable client-side

$except public property Scenarios that the validator should not