00001 <?php 00002 /*************************************************************************** 00003 * Copyright (C) 2007 by Ivan Y. Khvostishkov * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU Lesser General Public License as * 00007 * published by the Free Software Foundation; either version 3 of the * 00008 * License, or (at your option) any later version. * 00009 * * 00010 ***************************************************************************/ 00011 /* $Id: OutputStream.class.php 4687 2007-12-09 18:57:18Z voxus $ */ 00012 00016 abstract class OutputStream 00017 { 00031 abstract public function write($buffer); 00032 00036 public function flush() 00037 { 00038 /* nop */ 00039 00040 return $this; 00041 } 00042 00046 public function close() 00047 { 00048 /* nop */ 00049 00050 return $this; 00051 } 00052 } 00053 ?>