dio_close(3) [php man page]

DIO_CLOSE(3)								 1							      DIO_CLOSE(3)

dio_close - Closes the file descriptor given by fd

SYNOPSIS

       void dio_close (resource  $fd)

DESCRIPTION

	The function dio_close(3) closes the file descriptor $fd.

PARAMETERS

	      o $fd
		- The file descriptor returned by dio_open(3).

RETURN VALUES

	No value is returned.

EXAMPLES

       Example #1

	      Closing an open file descriptor

	      <?php
	      $fd = dio_open('/dev/ttyS0', O_RDWR);

	      dio_close($fd);
	      ?>

SEE ALSO

       dio_open(3).

PHP Documentation Group 													      DIO_CLOSE(3)

EIO_DUP2(3)								 1							       EIO_DUP2(3)

eio_dup2 - Duplicate a file descriptor

SYNOPSIS

       resource eio_dup2 (mixed  $fd, mixed  $fd2, [int  $pri = EIO_PRI_DEFAULT], [callable  $callback = NULL], [mixed	$data = NULL])

DESCRIPTION

       eio_dup2(3) duplicates file descriptor.

PARAMETERS

	      o $fd
		- Source stream, Socket resource, or numeric file descriptor

	      o $fd2
		- Target stream, Socket resource, or numeric file descriptor

	      o $pri
		-The  request  priority:  EIO_PRI_DEFAULT,  EIO_PRI_MIN,  EIO_PRI_MAX,	or  NULL.  If  NULL  passed,  $pri  internally	is  set to
		EIO_PRI_DEFAULT.

	      o $callback
		-$callback function is called when the request is done. It should match the following prototype:

	      void callback(mixed $data, int $result[, resource $req]);

		     o $data
		       -is custom data passed to the request.

		     o $result
		       -request-specific result value; basically, the value returned by corresponding system call.

		     o $req
		       -is optional request resource which can be used with functions like eio_get_last_error(3)

	      o $data
		- Arbitrary variable passed to $callback.

RETURN VALUES

       eio_dup2(3) returns request resource on success or FALSE on error.

PHP Documentation Group 													       EIO_DUP2(3)