Installation
Installing Particle\Validator is very easy, if you're using composer. If you haven't done so, install composer, and use composer require to install Particle\Validator.
curl -sS https://getcomposer.org/installer | php
php composer.phar require particle/validator
First usage
Make sure you include vendor/autoload.php
in your application, and then create your first validator
instance:
use Particle\Validator\Validator;
$validator = new Validator;
$validator->required('first_name')->lengthBetween(0, 20);
$validator->optional('age')->integer();