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 00015 abstract class OutputStream 00016 { 00030 abstract public function write($buffer); 00031 00035 public function flush() 00036 { 00037 /* nop */ 00038 00039 return $this; 00040 } 00041 00045 public function close() 00046 { 00047 /* nop */ 00048 00049 return $this; 00050 } 00051 } 00052 ?>