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PHP - Manual: getrandmax - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: getrandmax

2025-06-02

getrandmax

(PHP 4, PHP 5, PHP 7, PHP 8)

getrandmax显示随机数最大的可能值

说明

getrandmax(): int

返回调用 rand() 可能返回的最大值。

参数

此函数没有参数。

返回值

rand() 返回随机数可能返回的最大值

参见

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Anonymous
2 years ago
On a stock installation as of version 7.4.33 / 8.1.12, this function seems to return 2147483647 (maximum 32-bit integer).

官方地址:https://www.php.net/manual/en/function.getrandmax.php

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