(PECL eio >= 0.0.1dev)
Duplicate a file descriptor
resource eio_dup2 ( mixed $fd, mixed $fd2 [, int $pri = EIO_PRI_DEFAULT [, callable $callback = NULL [, mixed $data = NULL ]]] )
eio_dup2() duplicates file descriptor.
Parameters:
fd
Source stream, Socket resource, or numeric file descriptor
fd2
Target stream, Socket resource, or