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Random\Randomizer::shuffleArray

(PHP 8 >= 8.2.0)

Random\Randomizer::shuffleArrayGet a permutation of an array

Опис

public Random\Randomizer::shuffleArray(array $array): array

Returns a uniformly selected permutation of the input array.

Each possible permutation of the input array is equally likely to be returned.

Параметри

array

The array whose values are shuffled.

The input array will not be modified.

Значення, що повертаються

A permutation of the values of array.

Array keys of the input array will not be preserved; the returned array will be a list (array_is_list()).

Помилки/виключення

Приклади

Приклад #1 Random\Randomizer::shuffleArray() example

<?php
$r
= new \Random\Randomizer();

$fruits = [ 'red' => '🍎', 'green' => '🥝', 'yellow' => '🍌', 'pink' => '🍑', 'purple' => '🍇' ];

// Shuffle array:
echo "Salad: ", implode(', ', $r->shuffleArray($fruits)), "\n";

// Shuffle again:
echo "Another Salad: ", implode(', ', $r->shuffleArray($fruits)), "\n";
?>

Поданий вище приклад виведе щось схоже на:

Salad: 🍎, 🥝, 🍇, 🍌, 🍑
Another Salad: 🍑, 🍇, 🥝, 🍎, 🍌
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