php 한글 메뉴얼 도움말 검색 사이트 Set the GID of the current process [function.posix-setgid]

설명

bool posix_setgid ( int $gid )

Set the real 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. The appropriate order of function calls is posix_setgid() first, posix_setuid() last.

Note:
If the caller is a super user, this will also set the effective group id.

인수

gid: The group id.

반환값

성공 시 TRUE를, 실패 시 FALSE를 반환합니다.

예제

Example #1 posix_setgid() example

This example will print out the effective group id, once it is changed.


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

참고

posix_getgrgid() - Return info about a group by group id
posix_getgid() - Return the real group ID of the current process