posix_mknod
posix_seteuid
POSIX 함수 목록
PHP Manual

# posix_setegid

(PHP 4 >= 4.0.2, PHP 5)

posix_setegid — Set the effective GID of the current process

### 설명

bool posix_setegid ( int `$gid` )

Set the effective group ID of the current process. This is a privileged function and needs appropriate privileges (usually root) on the system to be able to perform this function.

### 인수

`gid`

  The group id.

### 반환값

성공할 경우 `TRUE`를, 실패할 경우 `FALSE`를 반환합니다.

### 예제

Example #1 posix_setegid() example

This example will print out the effective group id, once 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
?>`

### 참고

- posix_getgrgid() - Return info about a group by group id for information on how to convert a group id into a useable group name
- posix_getgid() - Return the real group ID of the current process get real group id.
- posix_setgid() - Set the GID of the current process change the effective group id

posix_mknod
posix_seteuid
POSIX 함수 목록
PHP Manual