chgrp
chgrp
(PHP 4, PHP 5, PHP 7)
chgrp — Changes file group
Description
bool chgrp ( string $filename , mixed $group )
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($filename, 8); clearstatcache(); // do not cache filegroup() results printf($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: When safe mode is enabled, PHP checks whether the files or directories being operated upon have the same UID (owner) as the script that is being executed.
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.chgrp.php