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webd/language
=============

A library for language processing. Includes string distance function (Levenshtein, Jaro-Winkler,...), stemming, etc.

0.4(4mo ago)28189.9k↓15%51MITPHPCI passing

Since Dec 16Pushed 4mo ago4 watchersCompare

[ Source](https://github.com/tdebatty/php-language-processing)[ Packagist](https://packagist.org/packages/webd/language)[ RSS](/packages/webd-language/feed)WikiDiscussions master Synced 2w ago

READMEChangelog (3)Dependencies (4)Versions (5)Used By (1)

php-language-processing
=======================

[](#php-language-processing)

[![GitHub Workflows](https://github.com/tdebatty/php-language-processing/workflows/tests/badge.svg)](https://github.com/tdebatty/php-language-processing/workflows/tests/badge.svg)[![Packagist Version](https://camo.githubusercontent.com/ef53cd2bc5734337af0e38e01f940b10e53e0460fc43b40f3f39d43cff8cd606/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f776562642f6c616e6775616765)](https://camo.githubusercontent.com/ef53cd2bc5734337af0e38e01f940b10e53e0460fc43b40f3f39d43cff8cd606/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f776562642f6c616e6775616765)[![Packagist Downloads](https://camo.githubusercontent.com/2d748f94759f1fd74f2ce0d2f00a77a9a2e2b9506b0e6c6758ba810e6514beaf/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f776562642f6c616e6775616765)](https://camo.githubusercontent.com/2d748f94759f1fd74f2ce0d2f00a77a9a2e2b9506b0e6c6758ba810e6514beaf/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f776562642f6c616e6775616765)

A PHP library for language processing. Includes string distance function (Levenshtein, Jaro-Winkler, LCS-distance...), stemming, hashing etc.

Installation
------------

[](#installation)

```
composer require webd/language
```

Usage
-----

[](#usage)

```
// ------------ n-gram string similarity

use webd\language\StringSimilarity\DiceCoefficient;
use webd\language\StringSimilarity\JaccardSimilarity;

$dice = new DiceCoefficient(2);
$jaccard = new JaccardSimilarity(2);

$a = "context";
$b = "contact";

// 0.5
echo $dice->similarity($a, $b) . PHP_EOL;

// context : ["co", "on", "nt", "te", "ex", "xt"]
// contact : ["co", "on", "nt", "ta", "ac", "ct"]
// jacccard similarity : 3 / 9
// 0.33333
echo $jaccard->similarity($a, $b) . PHP_EOL;

// ------------ string distance

use webd\language\StringDistance;

$string1 = "You won 10000$";
$string2 = "You won 15500$";

// 2
echo "Edit distance : " . StringDistance::editDistance($string1, $string2) . PHP_EOL;

// 2
echo "Levenshtein : " . StringDistance::levenshtein($string1, $string2) . PHP_EOL;

$lcs = new \webd\language\LCS($string1, $string2);
// You won 100$
echo $lcs->value() . PHP_EOL;

// 12
echo $lcs->length() . PHP_EOL;

// 4
echo $lcs->distance() . PHP_EOL;

// -------------- jaro-winkler string similarity

// 0.96428571428571
echo "Jaro-Winkler : " . StringDistance::jaroWinkler($string1, $string2) . PHP_EOL;

// 0.98809523809524
echo "Jaro-Winkler (prefix scale = 0.2) : " . StringDistance::jaroWinkler($string1, $string2, 0.2) . PHP_EOL;

// -------------- stemming

use webd\language\PorterStemmer;

// analyz
echo "analyzing => " . PorterStemmer::stem("analyzing") . PHP_EOL;

// abandon
echo "abandoned => " . PorterStemmer::stem("abandoned") . PHP_EOL;

// inclin
echo "inclination => " . PorterStemmer::stem("inclination") . PHP_EOL;

// -------------  SpamSum, aka ssdeep, aka Context-Triggered Piecewize Hashing (CTPH)
$s = new \webd\language\SpamSum;
// 192:x+cMdRiWqk2YODjCoG4OU88/ffcQ+lsCYDIlp6+TF244htoJFUjw:krovCLA9byp6+52jhtnjw
echo $s->HashString(file_get_contents(__DIR__ . "/SpamSum.php")) . PHP_EOL;
```

###  Health Score

51

—

FairBetter than 95% of packages

Maintenance74

Regular maintenance activity

Popularity44

Moderate usage in the ecosystem

Community16

Small or concentrated contributor base

Maturity56

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 97.4% 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 ~1372 days

Total

4

Last Release

144d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/7c315a5fa6bd564f98127e90046ff629dad5a22cd509cc53d07f5858c85b08fc?d=identicon)[tdebatty](/maintainers/tdebatty)

---

Top Contributors

[![tdebatty](https://avatars.githubusercontent.com/u/872972?v=4)](https://github.com/tdebatty "tdebatty (37 commits)")[![SamMousa](https://avatars.githubusercontent.com/u/547021?v=4)](https://github.com/SamMousa "SamMousa (1 commits)")

###  Code Quality

TestsPHPUnit

Static AnalysisPHPStan

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/webd-language/health.svg)

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

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