Class **Phalcon\\Validation\\Validator\\Alpha** =============================================== *extends* abstract class :doc:`Phalcon\\Validation\\Validator ` *implements* :doc:`Phalcon\\Validation\\ValidatorInterface ` .. role:: raw-html(raw) :format: html :raw-html:`Source on GitHub` Check for alphabetic character(s) .. code-block:: php add('username', new AlphaValidator([ 'message' => ':field must contain only letters' ])); $validator->add(['username', 'name'], new AlphaValidator([ 'message' => [ 'username' => 'username must contain only letters', 'name' => 'name must contain only letters' ] ])); Methods ------- public **validate** (:doc:`Phalcon\\Validation ` $validation, *mixed* $field) Executes the validation public **__construct** ([*array* $options]) inherited from :doc:`Phalcon\\Validation\\Validator ` Phalcon\\Validation\\Validator constructor public **isSetOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator ` Checks if an option has been defined public **hasOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator ` Checks if an option is defined public **getOption** (*mixed* $key, [*mixed* $defaultValue]) inherited from :doc:`Phalcon\\Validation\\Validator ` Returns an option in the validator's options Returns null if the option hasn't set public **setOption** (*mixed* $key, *mixed* $value) inherited from :doc:`Phalcon\\Validation\\Validator ` Sets an option in the validator