This function will always return 0 on Windows, because Windows does not support numeric group IDs.
filegroup
(PHP 4, PHP 5)
filegroup — Gets file group
說明
int filegroup
( string
$filename
)Gets the file group. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.
參數
-
filename -
Path to the file.
回傳值
Returns the group ID of the file, or FALSE if
an error occurs. The group ID is returned in numerical format, use
posix_getgrgid() to resolve it to a group name.
Upon failure, FALSE is returned.
範例
Example #1 Finding the group of a file
<?php
$filename = 'index.php';
print_r(posix_getgrgid(filegroup($filename)));
?>
錯誤/例外
Upon failure, an E_WARNING is emitted.
註釋
Note: 本函式的結果會被存入緩衝區。詳情參見 clearstatcache()。
Tip
自 PHP 5.0.0 起本函式也可被某些 URL wrapper 使用。參考Supported Protocols and Wrappers 來看哪些 wrapper 支援 stat() 系列函式的功能。
參見
- fileowner() - Gets file owner
- posix_getgrgid() - Return info about a group by group id
- safe_mode_gid
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User Contributed Notes 1 note
chris at ocproducts dot com ¶
4 years ago
