= 4.0.2, PHP 5, PHP 7, PHP 8)posix_setegid — Set the effective GID of the current process說明posix_setegid(int $group_id): boolSet ">

posix_setegid

(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)

posix_setegid — Set the effective GID of the current process

說明

posix_setegid(int $group_id): bool

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.

參數(shù)

group_id

The group id.

返回值

成功時返回 true， 或者在失敗時返回 false。

范例

示例 #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
?>

參見