POSIX 함수 목록
PHP Manual

posix_setgid

(PHP 4, PHP 5)

posix_setgidSet the GID of the current process

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

성공할 경우 TRUE를, 실패할 경우 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 함수 목록
PHP Manual