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PHP posix 组件

posix_getgrgid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_getgrgidReturn info about a group by group id

说明

posix_getgrgid(int $group_id): array|false

Gets information about a group provided its id.

参数

group_id

The group id.

返回值

The array elements returned are:

The group information array
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.
The function returns false on failure.

范例

示例 #1 Example use of posix_getgrgid()

<?php

$groupid   
posix_getegid();
$groupinfo posix_getgrgid($groupid);

print_r($groupinfo);
?>

以上例程的输出类似于:

Array
(
    [name]    => toons
    [passwd]  => x
    [members] => Array
        (
            [0] => tom
            [1] => jerry
        )
    [gid]     => 42
)

参见

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