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A complete library for creating, manipulating and generating chilean RUTs or RUNs.

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Pablo García Saldaña - Unsplash (UL) #Y-MGVIkpyFw

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RUT Utilities

A complete library for creating, manipulating and generating chilean RUTs or RUNs.

This package allows you to:

  • Create a RUT object to conveniently hold the RUT information.
  • Validate, clean and rectify RUTs.
  • Generate random RUTs in a flexible manner.

While this package works as a fire-and-forget utility for your project, ensure you read the documentation so you don't repeat yourself.

Requirements

This package only needs PHP 7.3 and later.

It may work on older versions, but it will only support active PHP releases.

Optional: Know what el weĂłn weĂłn weĂłn means.

Installation

Just fire Composer and require it into your project:

composer require darkghosthunter/rut-utils

If you don't have Composer in your project, you should be ashamed just install it .

Usage

What is a RUT or RUN?

A RUT (or RUN for people) is a string of numbers which identify a person or company. They're unique for each one, and they're never re-assigned to an individual, so the registry of RUTs is always growing.

The RUT its comprised of a random Number, like 18.765.432, and a Verification Digit, which is the result of a mathematical algorithm (Modulo 11) over that number. This Verification Digit vary between 0 and 9, or a K. In the end. you get this:

18.765.432-1

This identification information is a safe bet for chilean companies. It allows to attach one account to one individual (person or company), and can be cross-referenced with other data the user may have available through other services.

What's the difference between RUTs and RUNs? RUT are meant for identifying a person or company taxes, RUNs are to identify single persons. For both cases, they're practically the same.

Creating a RUT

There are two ways to create a RUT: manual instancing, which is strict, and using the make() static helper.

Manual instancing

Using manual instantiation allows you to create a RUT by the given number and verification digit quickly. For example, with data coming from a Database or any other trustful source.

<?php 

use DarkGhostHunter\RutUtils\Rut;

// Create a RUT using its numbers and verification digit separately.
$rutA = new Rut('14328145', 0); 

// ...even if the RUT is malformed 
$rutB = new Rut(10000, 'foo'); 

While this is a very good way to have a rut when knowing it's valid, you may want to use the make() static helper to create a Rut instance.

<?php 

use DarkGhostHunter\RutUtils\Rut;

// Create a RUT using its numbers and verification digit separately.
$rutA = Rut::make('14328145', 0);

// You can also use a whole string.
$rutB = Rut::make('14.328.145-0');

// And even malformed ones with invalid characters
$rutC = Rut::make('asdwdasd14.32.814.5-0');

The static helper will automatically clean the string and parse the number and verification digit for you, so you don't have to.

If the resulting Rut is malformed or invalid, null will be returned instead of a Rut instance, which you can use to quickly set flow control in your code.

<?php 

use DarkGhostHunter\RutUtils\Rut;

$malformed = Rut::make('not-a-rut');

if (!$malformed) {
    echo 'This RUT is bad!';
}

The make() method accepts a value or callable that will be returned when the RUT is malformed or invalid.

<?php 

use DarkGhostHunter\RutUtils\Rut;

$validA = Rut::make('14328145', 0, 'this is valid');
echo $validA; // "14.328.145-0"

$validB = Rut::make('14.328.145-0', function () {
    return 'also valid'; 
});
echo $validB; // "14.328.145-0"

$invalid = Rut::make('18.765.432-1', null, 'this is invalid');
echo $invalid; // "this is invalid"

Alternatively, you may want to use the makeOrThrow() to throw an exception when trying to make a malformed or invalid RUT.

<?php 

use DarkGhostHunter\RutUtils\Rut;

$validA = Rut::makeOrThrow('18.765.432', 1);

// [!] [InvalidRutException]

Creating multiple RUTs

It can be cumbersome to do a foreach or for loop to make multiple RUTs. Instead of that, use the many() static method. The method will automatically filter malformed RUTs from the final array.

<?php

use DarkGhostHunter\RutUtils\Rut;

// Create multiple RUTs
$rutsA = Rut::many('14.328.145-0', '14.328.145-0');

// Or issue an array of multiple RUTs
$rutsB = Rut::many([
    '14.328.145-0',
    '7976228-8',
    ['14.328.145', 0]
]);

You can use the manyOrThrow() to return an exception in case a malformed or invalid RUT is detected.

Retrieving a RUT

Since there is no way to know how your application works with RUTs, you can treat the Rut object as an array, object or string for your convenience.

<?php

use DarkGhostHunter\RutUtils\Rut;

// Let's create first the RUT:
$rut = Rut::make(14328145, 0);

// Return the RUT as a string
echo $rut; // 14.328.145-0

// You can get number or verification digit as an array
echo $rut['num']; // 14328145
echo $rut['vd']; // 0

// ...or as an object
echo $rut->num; // 14328145
echo $rut->vd; // 0

For safety reasons, you cannot set the num and vd in the instance.

Lowercase or Uppercase K

A RUT can have the K character as verification digit. The Rut object doesn't discerns between lowercase k or uppercase K when creating one, but it always stores uppercase as default.

You can change this behaviour for all Rut instances using the allUppercase() or allLowercase() methods:

<?php

use DarkGhostHunter\RutUtils\Rut;

Rut::allLowercase();

echo Rut::make('12343580', 'K')->vd; // "k"

Rut::allUppercase();

echo Rut::make('12343580', 'K')->vd; // "K"

Additionally, you can change this configuration for a single instance by using uppercase() and lowercase().

<?php

use DarkGhostHunter\RutUtils\Rut;

$rut = Rut::make('12343580', 'K');

$rut->lowercase();

echo $rut->vd; // "K"

$rut->uppercase();

echo $rut->vd; // "k"

This may come in handy when your source of truth manages lowercase k and you need strict comparison for storing, or normalize it.

Generating RUTs

Sometimes it's handy to create a RUT on the fly, usually for testing purposes when seeding and mocking.

You can do that using the RutGenerator class and use the methods to build how you want to generate your RUTs. The methods are fluent, meaning, you can chain them until you use the generate() method.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

$rut = RutGenerator::make()->generate();

echo $rut; // "7.976.228-8" 

The default mode makes a RUT for normal people, which are bound between 1.000.000 and 50.000.000. You can use the forCompany() method, which will vary the result randomly between 50.000.000 and 100.000.000.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

echo $rut = RutGenerator::make()->asPerson()->generate();
// "15.846.327-K"

echo $company = RutGenerator::make()->asCompany()->generate();
// "54.029.467-4"

Of course one may be not enough. You can add a parameter to these methods with the number of RUTs you want to make. The result will be returned as an array.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

$peopleRuts = RutGenerator::make()->asPerson()->generate(10);
$companyRuts = RutGenerator::make()->asCompany()->generate(35);

If for some reason you need them as raw strings instead of Rut instances, which is very good when generating thousands of them on strict memory usage, use the asBasic() and asRaw() method.

This will output the random strings like 22605071K.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

$raw = RutGenerator::make()->asRaw()->generate(10);
$basic = RutGenerator::make()->asBasic()->generate(20);
$strict = RutGenerator::make()->asStrict()->generate(30);

Generating random unique RUTs

If you need to create more than thousands of RUTs without the risk of having them duplicated, use the withoutDuplicates() method.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

$ruts = RutGenerator::make()->withoutDuplicates()->generate(100000);
Unique results between calls

You may have a custom seeder in your application that may call generate() every single time, increasing risk of collisions with each generation. Fear not! Using the generateStatic() you are guaranteed to get unique results during a single application lifecycle.

<?php

use DarkGhostHunter\RutUtils\RutGenerator;

$users = [
    ['name' => 'John'],
    ['name' => 'Clara'],
    ['name' => 'Mark'],
    // ... and other 99.997 records
];

$seeder = function ($user) {
    return array_merge($user, [
        'rut' => RutGenerator::make()->generateStatic()
    ]);
};

// Call the seeder
foreach ($users as $key => $user) {
    $users[$key] = $seeder($user);
}

// Flush the static array for the next seeder call
RutGenerator::make()->flushStatic();

Helpers

You can manipulate and check strings quickly using the RutHelper class, which contains a wide variety of handy static methods you can use.

cleanRut

Clears a RUT string from invalid characters. Additionally, you can set if you want the K verification character as uppercase or lowercase.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::cleanRut('f@a18765432@@7'); // "187654327"
echo RutHelper::cleanRut('18.290.743-K', false); // "18290743k"

separateRut

Cleans and separates a string into a number and verification digit array.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

RutHelper::separateRut('18.290.743-K', false);

// array(2) [
//    0 => 18290743,
//    1 => 'k',
// ]

validate

Checks if the RUTs issued are valid.

If there are more than one RUT, it will return true if all the RUTs are valid, and false if at least one is invalid.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::validate('14328145-0'); // true
echo RutHelper::validate('14.328.145-0', '12343580-K'); // true
echo RutHelper::validate(143281450); // true
echo RutHelper::validate('not-a-rut'); // false
echo RutHelper::validate(['14.328.145-0', '12343580-K', 'foo']); // false

Alternatively, you can use the Rut object itself.

<?php

use DarkGhostHunter\RutUtils\Rut;

// Cleans the rut, and validate it 
echo Rut::make('14328145-0')->isValid(); // true
echo Rut::make('94.328.145-0')->isValid(); // false
echo Rut::make('cleanthis14328145-0-andthistoo')->isValid(); // true

validateStrict

You can strictly validate a RUT. The RUT value being passed must be a string with thousand separator and hyphen preceding the RUT verification digit.

If there are more than one RUT, it will return true if all the RUTs are valid, and false if at least one is invalid.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

// Receive the raw string, and strictly validate it
echo RutHelper::validateStrict('14328145-0'); // false
echo RutHelper::validateStrict('14.328.145-0', '12343580-K'); // false
echo RutHelper::validateStrict(143281450); // false
echo RutHelper::validateStrict('not-a-rut'); // false
echo RutHelper::validateStrict(143281450, 'not-a-rut'); // false
echo RutHelper::validateStrict('14.328.1!45-0'); // false

filter

Filter an array of RUTs, returning an array of only the valid RUTs.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

// Filter only the valid ruts, and leave the invalid out of the result.
$rutsA = RutHelper::filter(
    '14328145-0', 
    '12343580-K', 
    '94.328.145-0', 
    'not-a-rut'
);

var_dump($rutsA);

// array(1) {
//     [0] => 14328145-0
//     [1] => 12343580-K
// } 

$rutsB = RutHelper::filter([
    '14328145-0',
    '12343580-K',
    '94.328.145-0',
    'not-a-rut'
]);

var_dump($rutsB);

// array(1) {
//     [0] => 14328145-0
//     [1] => 12343580-K
// } 

rectify

Receives only the RUT number and returns a valid Rut instance with the corresponding verification digit.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

$rut = RutHelper::rectify('18765432');

echo $rut->num; // "18765432"
echo $rut->vd; // "7"

If you pass down a whole RUT, you may get a new RUT with an appended Verification Digit. Ensure you pass down only the RUT number.

isPerson

Checks if the RUT below 50.000.000, which are usually used for normal people.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::isPerson('22605071-k'); // true

You can also use the isPerson() helper inside a Rut instance.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::make('22605071-k')->isPerson(); // true

isCompany

Checks if the RUT is over or equal 50.000.000, which are usually used for companies.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::isCompany('50000000-7'); // true

You can also use the isCompany() helper inside a Rut instance.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

echo RutHelper::make('50000000-7')->isCompany(); // true

isEqual

Returns if two or more RUTs are equal, independently of how these are formatted, even if these are invalid.

<?php

use DarkGhostHunter\RutUtils\RutHelper;
use Application\Models\User;

$ruts = RutHelper::isEqual(
    'thisisARut12343580-K',
    '12343580-K',
    User::getRutFromDatabase()
);

echo $ruts; // true

You can also use the isEqual() helper inside a Rut instance.

<?php

use DarkGhostHunter\RutUtils\Rut;
use Application\Models\User;

$rut = Rut::make(User::getRutFromDatabase());

echo $rut->isEqual('thisisARut12343580-K', '12343580-k'); // true

getVd

Returns the verification digit for a given number.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

$vd = RutHelper::getVd(12343580);

echo $vd; // 'K'

unpack

Takes an array and, if only one item was issued containing an array, this item contents will be returned to the application.

<?php

use DarkGhostHunter\RutUtils\RutHelper;

$unpacked = RutHelper::unpack([
    ['12343580K', '22605071-k', 500000007],
]);

echo count($unpacked); // 3

Callbacks

For convenience, you can register callbacks to be executed after you use many() and manyOrThrow(). For example, you may want to use this to manipulate how the Ruts are handled before these are returned.

You can register a callback using the after() static method. The callable receives the array of RUTs as the come, and must return the result.

<?php

use DarkGhostHunter\RutUtils\Rut;
use DarkGhostHunter\RutUtils\RutHelper;

Rut::after(function ($ruts) {
    
    return array_merge($ruts, [
        'count' => count($ruts),
    ]);
});

$ruts = Rut::many([
    // ...
]);

var_dump($ruts);
// array(100) [
//    // ...
//    'count' => 100,
// ]

If you register multiple callbacks, these will be executed in the order they were registered.

Serialization

Sometimes you may want to store your Rut instance somewhere, or serialize it to JSON, or a string. With this package you're covered from all angles.

Serialize / Unserialize

By default, a Rut instance is serialized as a raw string, which is latter reconstructed quickly by just dividing the string into the number and verification digit:

<?php

use DarkGhostHunter\RutUtils\Rut;

$rut = Rut::make('22605071-k');

echo serialize($rut); // C:28:"DarkGhostHunter\RutUtils\Rut":9:{106663092}

This is pretty much optimized for low storage and quick instancing. The rest will depend on your serialization engine.

String

There are multiple ways to set the format to use with a Rut instance when is serialized as a string:

  • Strict: Default option. Serializes with a thousand separator and hyphen.
  • Basic: No thousand separator, only the hyphen.
  • Raw: No thousand separator nor hyphen.

These can be set globally using the static methods, and as a per-instance basis using the dynamic calls available in the instance itself.

<?php

use DarkGhostHunter\RutUtils\Rut;

$rut = Rut::make('22605071-k');

Rut::allFormatStrict(); 

echo (string)$rut; // "22.605.071-K"

Rut::allFormatBasic(); 

echo (string)$rut; // "22605071-K"

Rut::allFormatRaw(); 

echo (string)$rut; // "22605071K"

// Per instance
echo $rut->toStrictString(); // "22.605.071-K"
echo $rut->toBasicString(); // "22605071-K"
echo $rut->toRawString(); // "22605071K"

JSON

By default, when casting to JSON, the result is a string. You can change this to be an array of the number and verification digit using static methods for all instances, or a per-instance case:

<?php

use DarkGhostHunter\RutUtils\Rut;

Rut::allJsonAsArray();

$rut = Rut::make('22605071-k');

echo json_encode($rut); // {"num":"22605071","vd":"K"}

Rut::allJsonAsString();

echo json_encode($rut); // "22.605.071-K"

$rut->jsonAsArray();

echo json_encode($rut); // {"num":"22605071","vd":"K"}

$rut->jsonAsString();

echo json_encode($rut); // "22.605.071-K"

Global helper

In version 2.0, all helpers have been killed and now you have only one called rut(). It works as a proxy for Rut::make, but accepts a default in case of invalid ruts. If no parameter is issued, an instance of the Rut Generator is returned.

<?php

$rut = rut('10.666.309-2');

echo $rut; // '10.666.309-2';

$rut = rut('an invalid rut', 'use this!');

echo $rut; // 'use this!'

$rut = rut()->generate();

echo $rut; // '20.750.456-4'

License

This package is licenced by the MIT License.