filegroup in PHP

filegroup — Gets file group
Syntax:

int filegroup ( string $filename )
Gets 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.



Example #1 Finding the group of a file

<?php
$filename = 'index.php';
print_r(posix_getgrgid(filegroup($filename)));
?>
Errors/Exceptions ¶

Upon failure, an E_WARNING is emitted.



Note: The results of this function are cached. See clearstatcache() for more details.
Tip
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.