(PECL eio >= 0.0.1dev)
Get file system statistics
resource eio_fstatvfs ( mixed $fd, int $pri, callable $callback [, mixed $data ] )
eio_fstatvfs() returns file system statistics in result of callback.
Parameters:
fd
A file descriptor of a file within the mounted file system.
pri
The request priority: EIO_PRI_DEFAULT, EIO_PRI_MIN, EIO