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

flatphp/filter
==============

Validation and Sanitization etc.

v2.0.1(8y ago)0401MITPHPPHP >=5.5

Since Sep 2Pushed 8y agoCompare

[ Source](https://github.com/flatphp/filter)[ Packagist](https://packagist.org/packages/flatphp/filter)[ RSS](/packages/flatphp-filter/feed)WikiDiscussions master Synced 4w ago

READMEChangelogDependenciesVersions (4)Used By (1)

filter
======

[](#filter)

Validation and Sanitization etc.

Installation
============

[](#installation)

```
composer require "flatphp/filter"

```

Validator
=========

[](#validator)

```
use Flatphp\Filter\Validator;

// simple use
$bool = Validator::isEmail('test@gmail.com');
$bool = Validator::isUrl('http://test.com');

// single value
Validator::validate('test', 'email|length:10,20', array(
    'email' => 'value is not a valid email'
))

// multiple value
$data = array(
    'aa' => 'hello',
    'bb' => 1
);
$rule = array(
    'aa' => 'required|string',
    'bb' => 'required|int|in:1,2,3',
    'cc' => 'required'
);
$messages = array(
    'aa.required' => 'aa is required',
    'cc.required' => 'cc is required'
);
$res = Validator::validate($data, $rule, $messages);
if (!$res) {
    echo Validator::getMessage();
}

```

Sanitizer
=========

[](#sanitizer)

```
use Flatphp\Filter\Sanitizer;

// simple
$value = Sanitizer::stripChars('hello', 'e');

// single value
$value = Sanitizer::sanitize('test/', 'strtoupper|trim:/');

// multiple value
$data = ['aa' => 22.12, 'bb' => 34.1789, 'cc' => ' HELLO '];
$data = Sanitizer::sanitize($data, array(
    'aa' => 'intval',
    'bb' => 'float:2',
    'cc' => 'strtolower|trim|stripChars:e'
));

```

###  Health Score

27

—

LowBetter than 47% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity8

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity60

Established project with proven stability

 Bus Factor1

Top contributor holds 100% 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.

###  Release Activity

Cadence

Every ~170 days

Total

3

Last Release

3249d ago

Major Versions

v1.0.0 → v2.0.02017-08-08

### Community

Maintainers

![](https://www.gravatar.com/avatar/e3e4d193838370dbe5119947cb84acd917f9e7dd4baf5ed9d0dbc88f26310fa5?d=identicon)[fredyang](/maintainers/fredyang)

---

Top Contributors

[![shukyoo](https://avatars.githubusercontent.com/u/2231396?v=4)](https://github.com/shukyoo "shukyoo (1 commits)")

---

Tags

validatorvalidationsanitize

### Embed Badge

![Health badge](/badges/flatphp-filter/health.svg)

```
[![Health](https://phpackages.com/badges/flatphp-filter/health.svg)](https://phpackages.com/packages/flatphp-filter)
```

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