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davidgorges/php-biased-random
=============================

2461PHP

Since Jul 12Pushed 11y ago1 watchersCompare

[ Source](https://github.com/davidgorges/php-biased-random)[ Packagist](https://packagist.org/packages/davidgorges/php-biased-random)[ RSS](/packages/davidgorges-php-biased-random/feed)WikiDiscussions master Synced 1w ago

READMEChangelogDependenciesVersions (1)Used By (0)

php-biased-random
=================

[](#php-biased-random)

Get random elements based on probabilty

How to Use
----------

[](#how-to-use)

```
$randomizer = new Randomizer();
$randomizer->add( new Element('Banana', 70))
           ->add( new Element('Apple',  30));

$randomFruit = $randomizer->get(); // Chance of Banana is 70%

```

### Calculate Probability

[](#calculate-probability)

In some cases, you want to add multiple items and retrieve the probabilty of an item.

```
$randomizer = new Randomizer();
$randomizer->add( new Element('Banana', 2))
           ->add( new Element('Apple',  1))
           ->add( new Element('Banana', 2));

$probability = $randomizer->getProbabilityFor('Banana');
echo $probability; // outputs 0.8

```

### Shorthand methods

[](#shorthand-methods)

You don't need to create Element wrapper objects. You can just add your elements to the Randomizer:

```
$randomizer = new Randomizer();
$randomizer->add('banana')->add('apple');

// with weight
$randomizer->add('banana', 10)->add('apple', 5);

```

Note: If you add multiple identical items, they will be combined into a single element with adjusted weight.

###  Health Score

22

—

LowBetter than 22% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity12

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity41

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.

### Community

Maintainers

![](https://www.gravatar.com/avatar/6abaff8e3d8d647d1cd8d3479bb3793b16a66ee24877d195e697a646439730ba?d=identicon)[dgorges](/maintainers/dgorges)

---

Top Contributors

[![davidgorges](https://avatars.githubusercontent.com/u/3885619?v=4)](https://github.com/davidgorges "davidgorges (11 commits)")

### Embed Badge

![Health badge](/badges/davidgorges-php-biased-random/health.svg)

```
[![Health](https://phpackages.com/badges/davidgorges-php-biased-random/health.svg)](https://phpackages.com/packages/davidgorges-php-biased-random)
```

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