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+++ b/library/log4php/appenders/LoggerAppenderPhp.php
@@ -0,0 +1,49 @@
+<?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);
+        }
+    }
+}