(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

filegroup -- Gets file group


int filegroup (string filename)

Returns the group ID of the owner of the file, or FALSE in case of an error. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.

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

Note: This function is not implemented on Windows platforms.

Note: This function will not work on remote files; the file to be examined must be accessible via the server's filesystem.