<?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.
   */
  
  /**
   * LoggerAppenderPhp logs events by creating a PHP user-level message using 
   * the PHP's trigger_error()function.
   *
   * This appender has no configurable parameters.
   *
   * Levels are mapped as follows:
   * 
   * - <b>level < WARN</b> mapped to E_USER_NOTICE
   * - <b>WARN <= level < ERROR</b> mapped to E_USER_WARNING
   * - <b>level >= ERROR</b> mapped to E_USER_ERROR  
   *
   * @version $Revision: 1337820 $
   * @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/php.html Appender documentation
   */ 
  class LoggerAppenderPhp extends LoggerAppender {
  
  	public function append(LoggerLoggingEvent $event) {
  		$level = $event->getLevel();
  		if($level->isGreaterOrEqual(LoggerLevel::getLevelError())) {
  			trigger_error($this->layout->format($event), E_USER_ERROR);
  		} else if ($level->isGreaterOrEqual(LoggerLevel::getLevelWarn())) {
  			trigger_error($this->layout->format($event), E_USER_WARNING);
  		} else {
  			trigger_error($this->layout->format($event), E_USER_NOTICE);
  		}
  	}
  }