test.php

<?php
require_once 'src/Validator/Validator.php';

// @TODO remove

$fields = [
//     'test' => 123, 
//     'omg'  => '1.23', 
//     'miss' => '1234', 
//     'exact' => '666', 
    '666b' => ['19','12',' 10 '],
    '666a' => 666,
];

$validator = new Validator\Validator( $fields ); // By default type is string and field is required


# Default value will be used only on not required fields 
$validator->validateAll([
    'test' => [ 'type' => 'int', 'required' => false, 'default' => '66', 'range' => '50-124', 'msg' => 'Invalid field test. Range is between 50 and 124', 'requires' => ['miss', '666a'] ],
    'omg'  => [ 'type' => 'float', 'range' => '1-1.23' ],
    'miss' => [ 'required' => false, 'length' => '1-3', 'default' => '123' ], 
    '/^666[ab]$/'  => [ 'type' => 'int', 'multiple' => 1, 'range' => '1-800', 'match' => [666,'/^\d{2}$/'], 'filter' => ['trim'] ] # TODO wrong
]);

print "Valid:\n";
print_r( $validator->valid );
print "Invalid:\n";
print_r( $validator->invalid );
print "Errors:\n";
$validator->errors['omg']->handle(); // You must handle error to avoid throw 
print "OMG field: " . $validator->errors['omg']->field() . "\n"; # Get message() or field() to mark as handled too
#print_r( $validator->errors );
print_r( $validator->hasErrors() );