Class **Phalcon\\Validation\\Validator\\PresenceOf** ==================================================== *extends* class :doc:`Phalcon\\Validation\\Validator ` *implements* :doc:`Phalcon\\Validation\\ValidatorInterface ` Validates that a value is not null or empty string .. code-block:: php add('name', new PresenceOf(array( 'message' => 'The name is required' ))); Methods ------- public *boolean* **validate** (*unknown* $validation, *unknown* $field) Executes the validation public **__construct** ([*unknown* $options]) inherited from Phalcon\\Validation\\Validator Phalcon\\Validation\\Validator constructor public *boolean* **isSetOption** (*unknown* $key) inherited from Phalcon\\Validation\\Validator Checks if an option is defined public *mixed* **getOption** (*unknown* $key) inherited from Phalcon\\Validation\\Validator Returns an option in the validator's options Returns null if the option hasn't set public **setOption** (*unknown* $key, *unknown* $value) inherited from Phalcon\\Validation\\Validator Sets an option in the validator