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PHP - Manual: SplFileInfo::getGroup - 互联网笔记

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PHP - Manual: SplFileInfo::getGroup

2025-04-26

SplFileInfo::getGroup

(PHP 5 >= 5.1.2, PHP 7, PHP 8)

SplFileInfo::getGroupGets the file group

说明

public SplFileInfo::getGroup(): int|false

Gets the file group. The group ID is returned in numerical format.

参数

此函数没有参数。

返回值

The group id in numerical format on success, or false on failure.

错误/异常

Throws RuntimeException on error.

示例

示例 #1 SplFileInfo::getGroup() example

<?php
$info
= new SplFileInfo('example.jpg');
echo
info->getFilename() . ' belongs to group id ' . $info->getGroup() . "\n";
print_r(posix_getgrgid($info->getGroup()));
?>

以上示例的输出类似于:

example.jpg belongs to group id 42
Array
(
    [name] => toons
    [passwd] => x
    [members] => Array
        (
            [0] => tom
            [1] => jerry
        )
    [gid] => 42
)

参见

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官方地址:https://www.php.net/manual/en/splfileinfo.getgroup.php

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