<?php
  /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *	   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /**
   * A NullAppender merely exists, it never outputs a message to any device.	
   *
   * This appender has no configurable parameters.
   * 
   * @version $Revision: 1343601 $
   * @package log4php
   * @subpackage appenders
   * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
   * @link http://logging.apache.org/log4php/docs/appenders/null.html Appender documentation
   */
  class LoggerAppenderNull extends LoggerAppender {
  
  	/** 
  	 * This appender does not require a layout. 
  	 */
  	protected $requiresLayout = false;
  	
  	/**
  	 * Do nothing. 
  	 * 
  	 * @param LoggerLoggingEvent $event
  	 */
  	public function append(LoggerLoggingEvent $event) {
  	}
  }