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multidialogo/phpgsm7codec
=========================

Utils to work with GSM7 codec

5281[1 issues](https://github.com/Multidialogo/phpgsm7codec/issues)PHP

Since Sep 27Pushed 3y ago4 watchersCompare

[ Source](https://github.com/Multidialogo/phpgsm7codec)[ Packagist](https://packagist.org/packages/multidialogo/phpgsm7codec)[ RSS](/packages/multidialogo-phpgsm7codec/feed)WikiDiscussions main Synced 1mo ago

READMEChangelogDependenciesVersions (3)Used By (0)

phpgsm7codec
============

[](#phpgsm7codec)

Utils to work with GSM7 codec

How to
------

[](#how-to)

### Check if a given string contains non GSM7 characters

[](#check-if-a-given-string-contains-non-gsm7-characters)

```
$isValid = CharsetAnalyzer::isValidGSM7String(
    'This is an invalid GSM7 string°.'
);
```

### Get the number of non GSM7 characters in a given string

[](#get-the-number-of-non-gsm7-characters-in-a-given-string)

```
$extraCodecCharsCount = CharsetAnalyzer::countExtraCodecChars(
    'This string contains one° extra GSM7 character.'
);
```

### Get the number of messages that would be generated by a given string

[](#get-the-number-of-messages-that-would-be-generated-by-a-given-string)

```
// 03.40 is the gsm protocol version
$gsmMessageCounter = new GsmMessageCounter('03.40');

$messageCount = $gsmMessageCounter->getMessagesCount(
    'This string will generate only one message.',
    true
)
```

How to run unit tests
---------------------

[](#how-to-run-unit-tests)

Install dependencies including dev ones:

```
docker compose run --rm gsmcodec-php-composer composer exec composer install
```

Run phpunit test suite:

```
docker compose run --rm gsmcodec-php-composer composer exec vendor/bin/phpunit .
```

###  Health Score

20

—

LowBetter than 14% of packages

Maintenance16

Infrequent updates — may be unmaintained

Popularity19

Limited adoption so far

Community11

Small or concentrated contributor base

Maturity28

Early-stage or recently created project

 Bus Factor1

Top contributor holds 52.4% 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.

### Community

Maintainers

![](https://www.gravatar.com/avatar/d35dd51f9f115553208d50e64215f7cace520c381e2cc87cda29948c94281ef2?d=identicon)[MultiDialogo](/maintainers/MultiDialogo)

---

Top Contributors

[![emidiocruciani](https://avatars.githubusercontent.com/u/89306118?v=4)](https://github.com/emidiocruciani "emidiocruciani (11 commits)")[![zio-mitch](https://avatars.githubusercontent.com/u/5042579?v=4)](https://github.com/zio-mitch "zio-mitch (10 commits)")

### Embed Badge

![Health badge](/badges/multidialogo-phpgsm7codec/health.svg)

```
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```

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