Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: Random\Randomizer - 互联网笔记

略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: Random\Randomizer

2025-10-24

Random\Randomizer::__construct »

The Random\Randomizer class

(PHP 8 >= 8.2.0)

简介

Provides a high-level API to the randomness provided by an Random\Engine.

类摘要

final class Random\Randomizer {

/* 属性 */

public readonly Random\Engine $engine;

/* 方法 */

public __construct(?Random\Engine $engine = null)

public getBytes(int $length): string

public getBytesFromString(string $string, int $length): string

public getFloat(float $min, float $max, Random\IntervalBoundary $boundary = Random\IntervalBoundary::ClosedOpen): float

public getInt(int $min, int $max): int

public nextFloat(): float

public nextInt(): int

public pickArrayKeys(array $array, int $num): array

public __serialize(): array

public shuffleArray(array $array): array

public shuffleBytes(string $bytes): string

public __unserialize(array $data): void

}

属性

engine: The low-level source of randomness for the Random\Randomizer’s methods.

目录

Random\Randomizer::__construct — Constructs a new Randomizer
Random\Randomizer::getBytes — Get random bytes
Random\Randomizer::getBytesFromString — Get random bytes from a source string
Random\Randomizer::getFloat — Get a uniformly selected float
Random\Randomizer::getInt — Get a uniformly selected integer
Random\Randomizer::nextFloat — Get a float from the right-open interval [0.0, 1.0)
Random\Randomizer::nextInt — Get a positive integer
Random\Randomizer::pickArrayKeys — Select random array keys
Random\Randomizer::__serialize — Serializes the Randomizer object
Random\Randomizer::shuffleArray — Get a permutation of an array
Random\Randomizer::shuffleBytes — Get a byte-wise permutation of a string
Random\Randomizer::__unserialize — Deserializes the data parameter into a Randomizer object

发现了问题？

了解如何改进此页面 • 提交拉取请求 • 报告一个错误

＋添加备注

用户贡献的备注

此页面尚无用户贡献的备注。

官方地址：https://www.php.net/manual/en/class.random-randomizer.php

有任何技术问题请点击这里网站运营推广招聘

IT PHP 编程语言开发编程 Linux 科技 Elasticsearch HTML/CSS/XML 面试数据库网络 JAVA NoSQL C/C++ Golang 操作系统 Git 算法正则表达式 Redis 互联网 MySql 软件运维 JavaScript 国际架构设计 Mac OS Excel TCP/IP Windows Oracle Socket Vim VR 运营 MongoDB Python MemCache 商业硬件电子娱乐设计摄影 nginx WordPress 游戏 HTTP 团建数码电器 Docker

广告

广告

php7.3 使用 PDO_DM 扩展连接 DM8 中文乱码 PhpStorm中PHP注释的规范指南使用PHPWord将docx文件转换为html格式 docker-compose启动nginx与php-fpm laravel查看orm生成的sql PHPStorm ESC 会退出命令行 composer install参数 laravel orm中DB::insert方法导致内存泄漏的问题解决方法 php7 安装fileinfo扩展 adodb手册 ADORecordSet对象 ADOConnection 公用函数常用的php ADODB使用方法集锦利用php soap实现web service adodb连接mysql多个数据库的问题 php扩展开发 opcache预加载 PHP 8.1 php 将字符串中的连续多个空格转换为一个空格 php $_SERVER中的SERVER_NAME 和HTTP_HOST的区别

联系我们半月雨文化可降解耗材网蓝云环保 78免费小説上海网站seo优化工程造价币安app官网下载币安app官网下载 coinbase GamestoPlayatWork 明星排行榜 seo查询

北京半月雨文化科技有限公司.版权所有京ICP备12026184号-3