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

amattu2/php-filter
==================

A basic PHP input filter and validation class.

v1.0.0(3y ago)017AGPL-3.0PHP

Since Mar 9Pushed 3y ago1 watchersCompare

[ Source](https://github.com/amattu2/php-filter)[ Packagist](https://packagist.org/packages/amattu2/php-filter)[ RSS](/packages/amattu2-php-filter/feed)WikiDiscussions master Synced 1mo ago

READMEChangelog (1)DependenciesVersions (2)Used By (0)

Introduction
============

[](#introduction)

This is a PHP class which implements static methods to filter/format unsanitized user input. See below for usage examples and cases. Alternatively, take a look at the **index.php** file for further examples.

Usage
=====

[](#usage)

Include the **/src/Filter.php** file

```
require(dirname(__FILE__) . "/src/Filter.php");
```

**Methods**

```
Filter::*input*(string $var)
```

Remove unprintable characters, HTML entities, and slashes.

```
Filter::*nonNumeric*(int|string|double|float $var)
```

Remove non-numeric characters

```
Filter::*nonAlpha*(mixed $var)
```

Remove non-alpha (a-zA-Z) characters

```
Filter::*nonAlphaNumeric*(mixed $var)
```

Remove non-alphanumeric (a-zA-Z0-9) characters

```
Filter::*fileName*(string $var)
```

Replace whitespace characters with a dash (-)

```
Filter::*number*(int|string $var)
```

Format a 10 digit phone number (XXX-XXX-XXXX)

Notes
=====

[](#notes)

You should always use prepared statements and proper validation on all unsafe input, regardless of using this class or not.

###  Health Score

21

—

LowBetter than 19% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity6

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity45

Maturing project, gaining track record

 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

Unknown

Total

1

Last Release

1165d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/45d27ac587ba85712309c969ca2e277df1044c60ce9f2f8a5ca69118211e30d6?d=identicon)[amattu2](/maintainers/amattu2)

---

Top Contributors

[![amattu2](https://avatars.githubusercontent.com/u/38357871?v=4)](https://github.com/amattu2 "amattu2 (7 commits)")

---

Tags

phpphp-filter

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