filegroup

(PHP 4, PHP 5, PHP 7)

filegroupGets file group

설명

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.

인수

filename

Path to the file.

반환값

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.

예제

Example #1 Finding the group of a file

<?php
$filename 
'index.php';
print_r(posix_getgrgid(filegroup($filename)));
?>

오류/예외

Upon failure, an E_WARNING is emitted.

주의

Note: 이 함수의 결과는 캐시에 저장합니다. 자세한 설명은 clearstatcache()를 참고하십시오.

Tip

PHP 5.0.0부터 이 함수는 몇몇 URL 래퍼를 사용할 수 있습니다. 기능적으로 stat() 패밀리를 지원하는 래퍼 목록은 Supported Protocols and Wrappers를 참고하십시오.

참고

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User Contributed Notes 1 note

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chris at ocproducts dot com
4 years ago
This function will always return 0 on Windows, because Windows does not support numeric group IDs.
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