filegroup
(PHP 4, PHP 5, PHP 7, PHP 8)
filegroup — Gets file group
Description
$filename): int|falseGets the file group. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.
Parameters
-
filename -
Path to the file.
Return Values
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.
Errors/Exceptions
Upon failure, an E_WARNING is emitted.
Examples
Example #1 Finding the group of a file
<?php
$filename = 'index.php';
print_r(posix_getgrgid(filegroup($filename)));
?>
Notes
Note: The results of this function are cached. See clearstatcache() for more details.
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.
