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ActiveLibrary[Utility & Helpers](/categories/utility)

zhuravljov/calc
===============

Library for the calculation of simple math expressions

1.0.1(11y ago)3931BSD-3-ClausePHPPHP >=5.4.0

Since Apr 18Pushed 11y ago1 watchersCompare

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

READMEChangelogDependenciesVersions (3)Used By (1)

Calculator
==========

[](#calculator)

Library for the calculation of simple math expressions without using `eval()`.

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

[](#installation)

The preferred way to install this extension is through [composer](http://getcomposer.org/download/).

Either run

```
$ composer require zhuravljov/calc

```

or add

```
"zhuravljov/calc": "*"

```

to the `require` section of your `composer.json` file.

Usage
-----

[](#usage)

```
$calculator = new \zhuravljov\calc\Calculator();
$calculator->calc('2 + 2 * 2'); // 6
$calculator->calc('(2 + 2) * 2'); // 8
$calculator->calc('(2 + 2'); // CalcException
```

Available operations `+`, `-`, `*` and `/`.

###  Health Score

28

—

LowBetter than 54% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity13

Limited adoption so far

Community9

Small or concentrated contributor base

Maturity59

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

Every ~20 days

Total

2

Last Release

4029d ago

### Community

Maintainers

![](https://avatars.githubusercontent.com/u/1656851?v=4)[Roman Zhuravlev](/maintainers/Zhuravljov)[@zhuravljov](https://github.com/zhuravljov)

---

Top Contributors

[![zhuravljov](https://avatars.githubusercontent.com/u/1656851?v=4)](https://github.com/zhuravljov "zhuravljov (4 commits)")

---

Tags

calculationsexpressionmathphpmathcalculator

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