Php/docs/function.chgrp
chgrp
(PHP 4, PHP 5, PHP 7)
chgrp — Changes 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 onremote 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.