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srph/compose
============

Composing function calls

v0.1.0(10y ago)013MITPHP

Since Nov 7Pushed 10y ago1 watchersCompare

[ Source](https://github.com/srph/php-compose)[ Packagist](https://packagist.org/packages/srph/compose)[ RSS](/packages/srph-compose/feed)WikiDiscussions master Synced today

READMEChangelogDependencies (1)Versions (2)Used By (0)

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-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

[](#compose-----)

Composing function calls in PHP

Huh?
----

[](#huh)

Here's a diff example (before and after):

```
- $h($g($f($x)))
+ compose($h, $g, $f)(x);
```

More on [Functional composition - Wikipedia](https://en.wikipedia.org/wiki/Function_composition_(computer_science)).

Installing
----------

[](#installing)

```
composer require srph/compose
```

PHP `>=5.4` is supported.

Usage
-----

[](#usage)

```
$square = function($n) {
	return $n * $n;
}

$pow = function($exponent) {
	return function($n) use ($exponent) {
		for (;$exponent--;) {
			$n .= $n;
		}

		return $n;
	}
}

$input = 2;
$f = compose($square, $pow(3), $square);
$f($input); // 4096
```

You may pass an infinite number of functions to `compose(...fn): Closure`.

###  Health Score

23

—

LowBetter than 26% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity5

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity53

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

3890d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/9c6418b04ec2d5f377b9de0359c587e73637a8799d8e5a496263f7f307c0db81?d=identicon)[srph](/maintainers/srph)

---

Top Contributors

[![srph](https://avatars.githubusercontent.com/u/5093058?v=4)](https://github.com/srph "srph (15 commits)")

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/srph-compose/health.svg)

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

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