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ActiveLibrary[Validation & Sanitization](/categories/validation)

dtgfranca/validador-novo-cnpj
=============================

Valida o CNPJ com base nas novas regras alfanuméricas do Serpro

74292PHPCI passing

Since Jul 24Pushed 3w ago1 watchersCompare

[ Source](https://github.com/dtgfranca/validador-novo-cnpj)[ Packagist](https://packagist.org/packages/dtgfranca/validador-novo-cnpj)[ RSS](/packages/dtgfranca-validador-novo-cnpj/feed)WikiDiscussions main Synced 1w ago

READMEChangelogDependenciesVersions (1)Used By (0)

CNPJ Validator
==============

[](#cnpj-validator)

Este pacote PHP permite validar se um CNPJ é válido de acordo com as novas regras alfanuméricas do CNPJ (Serpro).

Instalação
----------

[](#instalação)

```
composer require dtgfranca/validador-novo-cnpj
```

Utilização
----------

[](#utilização)

### Validar um CNPJ

[](#validar-um-cnpj)

```
use Dtgfranca\ValidadorNovoCnpj\CNPJ;

$cnpj = '12.ABC.345/01DE-35';

if (CNPJ::isValid($cnpj)) {
    echo "CNPJ válido!";
} else {
    echo "CNPJ inválido!";
}
```

### Gerar um CNPJ válido

[](#gerar-um-cnpj-válido)

```
use Dtgfranca\ValidadorNovoCnpj\CNPJ;

$cnpjFormatado = CNPJ::gerar(true);    // "ZB.DVI.P3O/WRH2-58"
$cnpjSimples   = CNPJ::gerar();         // "ZBDVIP3OWRH258"
```

### FormatAR um CNPJ

[](#formatar-um-cnpj)

```
use Dtgfranca\ValidadorNovoCnpj\CNPJ;

echo CNPJ::formatar('12ABC34501DE35'); // "12.ABC.345/01DE-35"
```

Ferramenta Online
-----------------

[](#ferramenta-online)

👉

Gere e valide CNPJs alfanuméricos diretamente no browser.

---

Testes
------

[](#testes)

```
composer install
vendor/bin/phpunit
```

Licença
-------

[](#licença)

MIT

###  Health Score

28

—

LowBetter than 51% of packages

Maintenance62

Regular maintenance activity

Popularity24

Limited adoption so far

Community11

Small or concentrated contributor base

Maturity11

Early-stage or recently created project

 Bus Factor1

Top contributor holds 80% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/4942224?v=4)[Diego França](/maintainers/dtgfranca)[@dtgfranca](https://github.com/dtgfranca)

---

Top Contributors

[![dtgfranca](https://avatars.githubusercontent.com/u/4942224?v=4)](https://github.com/dtgfranca "dtgfranca (4 commits)")[![pichotweb](https://avatars.githubusercontent.com/u/1724475?v=4)](https://github.com/pichotweb "pichotweb (1 commits)")

### Embed Badge

![Health badge](/badges/dtgfranca-validador-novo-cnpj/health.svg)

```
[![Health](https://phpackages.com/badges/dtgfranca-validador-novo-cnpj/health.svg)](https://phpackages.com/packages/dtgfranca-validador-novo-cnpj)
```

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