lamansky / secure-shuffle
使用密码学安全的随机化重新排列数组元素。
1.0.0
2020-08-17 20:28 UTC
Requires
- php: >=7.1.0
Requires (Dev)
- lamansky/phpcs: ^1
- phpunit/phpunit: ^9
This package is not auto-updated.
Last update: 2024-09-25 15:02:21 UTC
README
一个PHP库,用于使用密码学安全的随机化重新排列数组元素。
安装
在您的计算机上安装并初始化了Composer项目后,在项目根目录中运行此命令
composer require lamansky/secure-shuffle
需要PHP 7.1或更高版本。
示例
该库提供了4个可导入的函数。以下是一个使用所有四个函数的示例
<?php use function Lamansky\SecureShuffle\shuffle; use function Lamansky\SecureShuffle\shuffle_assoc; use function Lamansky\SecureShuffle\shuffled; use function Lamansky\SecureShuffle\shuffled_assoc; // Shuffles an indexed array in-place. // Note that we are using the imported shuffle() function, // not the built-in \shuffle() function. $arr = [1, 2, 3, 4, 5]; shuffle($arr); print_r($arr); // Array ( [0] => 4 [1] => 5 [2] => 2 [3] => 1 [4] => 3 ) // Shuffles an associative array in-place. $arr = ['a' => 1, 'b' => 2, 'c' => 3]; shuffle_assoc($arr); print_r($arr); // Array ( [b] => 2 [a] => 1 [c] => 3 ) // Creates a shuffled copy of an indexed array. $orig = [1, 2, 3, 4, 5]; $copy = shuffled($orig); print_r($orig); // Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 ) print_r($copy); // Array ( [0] => 5 [1] => 2 [2] => 4 [3] => 3 [4] => 1 ) // Creates a shuffled copy of an associative array. $orig = ['a' => 1, 'b' => 2, 'c' => 3]; $copy = shuffled_assoc($orig); print_r($orig); // Array ( [a] => 1 [b] => 2 [c] => 3 ) print_r($copy); // Array ( [c] => 3 [a] => 1 [b] => 2 )