1: <?php
 2: /**
 3:  * Licensed to the Apache Software Foundation (ASF) under one or more
 4:  * contributor license agreements. See the NOTICE file distributed with
 5:  * this work for additional information regarding copyright ownership.
 6:  * The ASF licenses this file to You under the Apache License, Version 2.0
 7:  * (the "License"); you may not use this file except in compliance with
 8:  * the License. You may obtain a copy of the License at
 9:  *
10:  *     http://www.apache.org/licenses/LICENSE-2.0
11:  *
12:  * Unless required by applicable law or agreed to in writing, software
13:  * distributed under the License is distributed on an "AS IS" BASIS,
14:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15:  * See the License for the specific language governing permissions and
16:  * limitations under the License.
17:  */
18: 
19: /**
20:  * A NullAppender merely exists, it never outputs a message to any device.  
21:  *
22:  * This appender has no configurable parameters.
23:  * 
24:  * @version $Revision: 1343601 $
25:  * @package log4php
26:  * @subpackage appenders
27:  * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
28:  * @link http://logging.apache.org/log4php/docs/appenders/null.html Appender documentation
29:  */
30: class LoggerAppenderNull extends LoggerAppender {
31: 
32:     /** 
33:      * This appender does not require a layout. 
34:      */
35:     protected $requiresLayout = false;
36:     
37:     /**
38:      * Do nothing. 
39:      * 
40:      * @param LoggerLoggingEvent $event
41:      */
42:     public function append(LoggerLoggingEvent $event) {
43:     }
44: }
45: