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ActiveLibrary[Parsing & Serialization](/categories/parsing)

carriongrow/formula\_parser
===========================

Parses formulas, with the possibility of a deferred solution with substitution of user variables

v1.2.0(8mo ago)1104MITPHPPHP >=7.3.0CI passing

Since Feb 21Pushed 8mo ago1 watchersCompare

[ Source](https://github.com/AnatolySnegovskiy/FormulaParser)[ Packagist](https://packagist.org/packages/carriongrow/formula_parser)[ RSS](/packages/carriongrow-formula-parser/feed)WikiDiscussions master Synced today

READMEChangelog (7)Dependencies (4)Versions (25)Used By (0)

Formula Parser
==============

[](#formula-parser)

Parses formulas, with the possibility of a deferred solution with substitution of user variables

composer require carriongrow/formula\_parser

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

[](#installation)

```
$ composer require carriongrow/formula_parser
```

Description
-----------

[](#description)

Supported functions basic = '\*', '/', '+', '-', '^' functional operations = 'cos', 'sin', 'exp', 'abs', 'log', 'sqrt', 'tan', 'pi'

cos sin tan - Do not require a transfer from degrees to the radian equivalent

Available symbols for dynamic variables: 0-9 a-z \_ .or \[a-z.0-9\_\] no dependence on the register!

Example
-------

[](#example)

```
 $parser = new FormulaParser();
 $parser->setFormula('test1 * test2 * 2 (1 + 10) / 20'); // Parsing formulas once
 $counter = 1000;
 $result = [];
 while ($counter != 0) { // We use it as many times as we need
   $first = rand(1, getrandmax()) / getrandmax();
   $second = rand(1, getrandmax()) / getrandmax();
   $parser->setVariables(['test1' => $first, 'test2' => $second]); // Replacing user variables with values
   $result[] = $parser->calculate();
   $counter--;
 }
```

more look in tests -

###  Health Score

35

—

LowBetter than 80% of packages

Maintenance58

Moderate activity, may be stable

Popularity11

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity54

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 ~79 days

Recently: every ~317 days

Total

17

Last Release

266d ago

PHP version history (2 changes)v1.0.0PHP >=7.2.0

v1.2.0PHP >=7.3.0

### Community

Maintainers

![](https://www.gravatar.com/avatar/106a795433454f7c53097b5332eaed9dcd7426c81fca8590cd12a0f5f6b7fe49?d=identicon)[AnatoliiSnegovskii](/maintainers/AnatoliiSnegovskii)

---

Top Contributors

[![AnatolySnegovskiy](https://avatars.githubusercontent.com/u/11618162?v=4)](https://github.com/AnatolySnegovskiy "AnatolySnegovskiy (50 commits)")

---

Tags

deferredfirmulaparserphp

###  Code Quality

TestsPHPUnit

Static AnalysisPsalm

Code StylePHP\_CodeSniffer

Type Coverage Yes

### Embed Badge

![Health badge](/badges/carriongrow-formula-parser/health.svg)

```
[![Health](https://phpackages.com/badges/carriongrow-formula-parser/health.svg)](https://phpackages.com/packages/carriongrow-formula-parser)
```

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