PHP filegroup() Function

Return the group ID of "test.txt":

<?php
echo filegroup("test.txt");
?>

Definition and Usage

The filegroup() function returns the group ID of a file.

Tip: Use the posix_getgrgid() function to convert the group ID to a group name.

Note: The result of this function is cached. Use clearstatcache() to clear the cache.

filegroup(filename)

Parameter	Description
filename	Required. Specifies the path to the file to check

Return Value:	The group ID for the file on success, FALSE on failure
PHP Version:	4.0+