Class **Phalcon\\Validation\\Validator\\File**
==============================================

*extends* abstract class :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

*implements* :doc:`Phalcon\\Validation\\ValidatorInterface <Phalcon_Validation_ValidatorInterface>`

.. role:: raw-html(raw)
   :format: html

:raw-html:`<a href="https://github.com/phalcon/cphalcon/blob/master/phalcon/validation/validator/file.zep" class="btn btn-default btn-sm">Source on GitHub</a>`

Checks if a value has a correct file  

.. code-block:: php

    <?php

     use Phalcon\Validation\Validator\File as FileValidator;
    
     $validator->add('file', new FileValidator([
         'maxSize' => '2M',
         'messageSize' => ':field exceeds the max filesize (:max)',
         'allowedTypes' => array('image/jpeg', 'image/png'),
         'messageType' => 'Allowed file types are :types',
         'maxResolution' => '800x600',
         'messageMaxResolution' => 'Max resolution of :field is :max'
     ]));
    
     $validator->add(['file', 'anotherFile'], new FileValidator([
         'maxSize' => [
             'file' => '2M',
             'anotherFile' => '4M'
         ],
         'messageSize' => [
             'file' => 'file exceeds the max filesize 2M',
             'anotherFile' => 'anotherFile exceeds the max filesize 4M',
         'allowedTypes' => [
             'file' => ['image/jpeg', 'image/png'],
             'anotherFile' => ['image/gif', 'image/bmp']
         ],
         'messageType' => [
             'file' => 'Allowed file types are image/jpeg and image/png',
             'anotherFile' => 'Allowed file types are image/gif and image/bmp'
         ],
         'maxResolution' => [
             'file' => '800x600',
             'anotherFile' => '1024x768'
         ],
         'messageMaxResolution' => [
             'file' => 'Max resolution of file is 800x600',
             'anotherFile' => 'Max resolution of file is 1024x768'
         ]
     ]));



Methods
-------

public  **validate** (:doc:`Phalcon\\Validation <Phalcon_Validation>` $validation, *mixed* $field)

Executes the validation



public  **isAllowEmpty** (:doc:`Phalcon\\Validation <Phalcon_Validation>` $validation, *mixed* $field)

Check on empty



public  **__construct** ([*array* $options]) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Phalcon\\Validation\\Validator constructor



public  **isSetOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Checks if an option has been defined



public  **hasOption** (*mixed* $key) inherited from :doc:`Phalcon\\Validation\\Validator <Phalcon_Validation_Validator>`

Checks if an option is defined



public  **getOption** (*mixed* $key, [*mixed* $defaultValue]) inherited from :doc:`Phalcon\\Validation\\Validator <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 <Phalcon_Validation_Validator>`

Sets an option in the validator