chgrp
(PHP 4, PHP 5)
chgrp — Changes file group
說明
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.
參數
-
filename -
Path to the file.
-
group -
A group name or number.
回傳值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
範例
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));
?>
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