posix_getgrgid
(PHP 4, PHP 5, PHP 7)
posix_getgrgid — Return info about a group by group id
说明
posix_getgrgid (
int
$gid
) :
array
Gets information about a group provided its id.
参数
-
gid
-
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 gid 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. |
范例
Example #1 Example use of posix_getgrgid()
<?php
$groupid = posix_getegid();
$groupinfo = posix_getgrgid($groupid);
print_r($groupinfo);
?>
以上例程的输出类似于:
Array ( [name] => toons [passwd] => x [members] => Array ( [0] => tom [1] => jerry ) [gid] => 42 )
参见
- posix_getegid() - Return the effective group ID of the current process
- posix_getgrnam() - Return info about a group by name
- filegroup() - 取得文件的组
- stat() - 给出文件的信息
- safe_mode_gid
- POSIX man page GETGRNAM(3)