posix_getgrgid
(PHP 4, PHP 5, PHP 7, PHP 8)
posix_getgrgid — Return info about a group by group id
說明
posix_getgrgid(int
$group_id): array|falseGets information about a group provided its id.
參數
-
group_id -
The group id.
返回值
The array elements returned are:
| Element | Description |
|---|---|
| name | The name element contains the name of the group. This is a short, usually less than 16 character "handle" of the group, not the real, full name. |
| passwd | The passwd element contains the group's password in an encrypted format. Often, for example on a system employing "shadow" passwords, an asterisk is returned instead. |
| gid |
Group ID, should be the same as the
group_id parameter used when calling the
function, and hence redundant.
|
| members | This consists of an array of string's for all the members in the group. |
false on failure.
範例
示例 #1 Example use of posix_getgrgid()
<?php
$groupid = posix_getegid();
$groupinfo = posix_getgrgid($groupid);
print_r($groupinfo);
?>
以上例程的輸出類似於：
Array
(
[name] => toons
[passwd] => x
[members] => Array
(
[0] => tom
[1] => jerry
)
[gid] => 42
)
參見
- posix_getegid() - Return the effective group ID of the current process
- posix_getgrnam() - Return info about a group by name
- filegroup() - 取得檔案的組
- stat() - 給出檔案的資訊
- POSIX man page GETGRNAM(3)