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posix_getgrgid

(PHP 3 >= 3.0.13, PHP 4, PHP 5)

posix_getgrgid -- Return info about a group by group id

说明

array posix_getgrgid ( int gid )

Gets information about a group provided its id.

参数

gid

The group id.

返回值

Returns an array of information about a group and FALSE on failure. If gid isn't a number then NULL is returned and an E_WARNING level error is generated.

更新日志

版本说明
4.2.0 Prior to this version, members was simply an integer representing the number of members in the group, and the member names were returned with numerical indices.

范例

例 1. Example use of posix_getgrgid()

<?php

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

print_r($groupinfo);

?>

上例的输出类似于：

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

参见

posix_getegid()
filegroup()
stat()
safe_mode_gid

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