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

성공 시 TRUE를, 실패 시 FALSE를 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
posix_getgid() - Return the real group ID of the current process
posix_setgid() - Set the GID of the current process