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:  * @package log4php
19:  */
20: 
21: /**
22:  * Returns the active session ID, or an empty string if out of session. 
23:  * 
24:  * @package log4php
25:  * @subpackage pattern
26:  * @version $Revision: 1326626 $
27:  * @since 2.3
28:  */
29: class LoggerPatternConverterSessionID extends LoggerPatternConverter {
30:     public function convert(LoggerLoggingEvent $event) {
31:         return session_id();
32:     }
33: }
34: