concept/cartesian-tree

A Laravel package that implements the cartesian algorithm to generate permutations out of a sequence of arrays.

1.0.1 2020-09-01 02:34 UTC

Requires

• php: >= 5.5.0
• illuminate/database: >= 5.0
• illuminate/support: >= 5.0

MIT

• Mina Farag

README

A Laravel package that implements the cartesian algorithm to generate permutations out of a sequence of arrays.

What is this package?

If you want to generate all of the possible permutations by combining multiple arrays, This package will do it for you.

How to install it?

Run this comman within your Laravel application composer require concept/cartesian-tree

How to use it?

• Use the package within any class in your codebase by importing the package's model
• Within any method, Call the static method buildPermutations to combine any given array and generate a single array of all permutations.

<?php
 use Concept\CartesianTree\Cartesian;
 
 $permutations = Cartesian::buildPermutations([[1,2,3],['a','b','c']]);
 
 dd($permutations);
?>

Results will be like this:

Array
(
    [0] => Array
        (
            [0] => 1
            [1] => a
        )

    [1] => Array
        (
            [0] => 1
            [1] => b
        )

    [2] => Array
        (
            [0] => 1
            [1] => c
        )

    [3] => Array
        (
            [0] => 2
            [1] => a
        )

    [4] => Array
        (
            [0] => 2
            [1] => b
        )

    [5] => Array
        (
            [0] => 2
            [1] => c
        )

    [6] => Array
        (
            [0] => 3
            [1] => a
        )

    [7] => Array
        (
            [0] => 3
            [1] => b
        )

    [8] => Array
        (
            [0] => 3
            [1] => c
        )

)

Please Note

• You can combine as many arrays as you want.
• I used this package to combine up to 7 different arrays.
  
  

Upcoming updates

• PHPUNIT Testing.