(PECL eio >= 0.0.1dev)
Synchronize a file's in-core state with storage device
resource eio_fsync ( mixed $fd [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] )
Synchronize a file's in-core state with storage device
Parameters:
fd
Stream, Socket resource, or numeric file descriptor.
pri
The reques