## Example

`

     int filegroup ( string $filename )

`

## Description

Gets the file group. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.

## 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.