PHP Input Validator

This is a really-small PHP validator which is intended to offer a easy-to-use interface and some mechanisms to integrate with other tools. Here is how it works:, _(*1)

Create an associative array of values., _(*2)
Create a validator for each of the values in that array. The preferred way of doing this is by grouping all your validators in a ValidatiorSet., _(*3)
Apply the ValidatorSet to the array. A ValidationError will tel you that one or more fields in the array are not valid according to the rules you had defined., _(*4)
Obtain the set of errors associated to their corresponding field by calling ValidationError::getErrors() on the exception instance you catched., _(*5)

Please, see the tests to get some hints on how to make this in work in code. I plan to add some parctical examples to this docs in future commits., _(*6)

The design of this validator imitates what other frameworks do. I created it to have a simple validation tool-belt for small projects and for fun., _(*7)

Simple example:, _(*8)


<?php

require __DIR__ . '/../vendor/autoload.php';

use Phpiv\ValidatorSet;
use Phpiv\ValidationError;

$validateThis = array(
    'name' => 'John Doe',
    'rating' => '6',
    'comment' => 'This is too short.',
    'email_address' => 'not an email address'
);

$vs = new ValidatorSet();

$vs->add('string', 'name')
    ->required();
$vs->add('number', 'age')
    ->required();
$vs->add('number', 'rating')
    ->min(1)
    ->max(5);
$vs->add('string', 'comment')
    ->length(20, 100)
    ->required();
$vs->add('email', 'email_address')
    ->required();

try {
    $vs->check($validateThis);
}
catch(ValidationError $e) {
    print_r($e->getErrors());
}

/*
The output is:

Array
(
    [age] => Array
        (
            [0] => Es requerido
        )

    [rating] => Array
        (
            [0] => No puede ser mayor de 5
        )

    [comment] => Array
        (
            [0] => Debe tener 20 caracteres como mínimo
        )

    [email_address] => Array
        (
            [0] => No es un email válido
        )

)
*/