(PHP 4, PHP 5)
filegroup — Gets file group
Gets the file group. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.
Path to the file.
Returns the group ID of the file, or
an error occurs. The group ID is returned in numerical format, use
posix_getgrgid() to resolve it to a group name.
FALSE is returned.
Example #1 Finding the group of a file
$filename = 'index.php';
Upon failure, an
E_WARNING is emitted.
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.