Php/docs/function.chgrp

From Get docs

chgrp

(PHP 4, PHP 5, PHP 7)

chgrpChanges file group


Description

chgrp ( string $filename , mixed $group ) : bool

Attempts to change the group of the file filename to group.

Only the superuser may change the group of a file arbitrarily; other users may change the group of a file to any group of which that user is a member.


Parameters

filename
Path to the file.
group
A group name or number.


Return Values

Returns TRUE on success or FALSE on failure.


Examples

Example #1 Changing a file's group

<?php$filename = 'shared_file.txt';$format = "%s's Group ID @ %s: %d\n";printf($format, $filename, date('r'), filegroup($filename));chgrp($filename, 8);clearstatcache(); // do not cache filegroup() resultsprintf($format, $filename, date('r'), filegroup($filename));?>

Notes

Note:

This function will not work on

remote files as the file to be examined must be accessible via the server's filesystem.

Note:

On Windows, this function fails silently when applied on a regular file.

See Also