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PHP - Manual: posix_getgid - 互联网笔记

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PHP - Manual: posix_getgid

2025-05-18

posix_getgid

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

posix_getgidReturn the real group ID of the current process

说明

posix_getgid(): int

Return the numeric real group ID of the current process.

参数

此函数没有参数。

返回值

Returns the real group id, as an int.

示例

示例 #1 posix_getgid() example

This example will print out the real group id, even once the effective group id has been changed.

<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setegid(40);
echo
'My real group id is '.posix_getgid(); //20
echo 'My effective group id is '.posix_getegid(); //40
?>

参见

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3
vector from ionisis.com
13 years ago
i came across this error:
Call to undefined function posix_getuid()

which was solved by these commands:
yum -y install php-process
service httpd restart

官方地址:https://www.php.net/manual/en/function.posix-getgid.php

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