Class **Phalcon\\Mvc\\Model\\Validator\\PresenceOf** ==================================================== *extends* abstract class :doc:`Phalcon\\Mvc\\Model\\Validator ` *implements* :doc:`Phalcon\\Mvc\\Model\\ValidatorInterface ` .. role:: raw-html(raw) :format: html :raw-html:`Source on GitHub` Allows to validate if a filed have a value different of null and empty string ("") .. code-block:: php validate(new PresenceOf(array( "field" => 'name', "message" => 'The name is required' ))); if ($this->validationHasFailed() == true) { return false; } } } Methods ------- public **validate** (:doc:`Phalcon\\Mvc\\EntityInterface ` $record) Executes the validator public **__construct** (*array* $options) inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Phalcon\\Mvc\\Model\\Validator constructor protected **appendMessage** (*string* $message, [*string* | *array* $field], [*string* $type]) inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Appends a message to the validator public **getMessages** () inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Returns messages generated by the validator public *array* **getOptions** () inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Returns all the options from the validator public **getOption** (*mixed* $option, [*mixed* $defaultValue]) inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Returns an option public **isSetOption** (*mixed* $option) inherited from :doc:`Phalcon\\Mvc\\Model\\Validator ` Check whether an option has been defined in the validator options