Random\Randomizer::shuffleArray
(PHP 8 >= 8.2.0)
Random\Randomizer::shuffleArray — Get a permutation of an array
说明
Returns a uniformly selected permutation of the input array.
Each possible permutation of the input array is equally likely to be returned.
返回值
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()).
错误／异常
-
底层
Random\Randomizer::$engine的 Random\Engine::generate() 方法抛出的任何 Throwable。
示例
示例 #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";
?>以上示例的输出类似于：
Salad: 🍎, 🥝, 🍇, 🍌, 🍑 Another Salad: 🍑, 🍇, 🥝, 🍎, 🍌
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