diff --git a/library/log4php/appenders/LoggerAppenderFirePHP.php b/library/log4php/appenders/LoggerAppenderFirePHP.php
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+++ b/library/log4php/appenders/LoggerAppenderFirePHP.php
@@ -0,0 +1,100 @@
+<?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.
+ */
+
+/**
+ * Logs messages as HTTP headers using the FirePHP Insight API.
+ *
+ * This appender requires the FirePHP server library version 1.0 or later.
+ *
+ * ## Configurable parameters: ##
+ *
+ * - **target** - (string) The target to which messages will be sent. Possible options are
+ *            'page' (default), 'request', 'package' and 'controller'. For more details,
+ *            see FirePHP documentation.
+ *
+ * This class was originally contributed by Bruce Ingalls (Bruce.Ingalls-at-gmail-dot-com).
+ *
+ * @link https://github.com/firephp/firephp FirePHP homepage.
+ * @link http://sourcemint.com/github.com/firephp/firephp/1:1.0.0b1rc6/-docs/Welcome FirePHP documentation.
+ * @link http://sourcemint.com/github.com/firephp/firephp/1:1.0.0b1rc6/-docs/Configuration/Constants FirePHP constants documentation.
+ * @link http://logging.apache.org/log4php/docs/appenders/firephp.html Appender documentation
+ *
+ * @version $Revision: 1343684 $
+ * @package log4php
+ * @subpackage appenders
+ * @since 2.3
+ */
+class LoggerAppenderFirePHP extends LoggerAppender {
+
+    /**
+     * Instance of the Insight console class.
+     * @var Insight_Plugin_Console
+     */
+    protected $console;
+
+    /**
+     * The target for log messages. Possible values are: 'page' (default),
+     * 'request', 'package' and 'contoller'.
+     */
+    protected $target = 'page';
+
+    public function activateOptions() {
+        if (method_exists('FirePHP', 'to')) {
+            $this->console = FirePHP::to($this->target)->console();
+            $this->closed = false;
+        } else {
+            $this->warn('FirePHP is not installed correctly. Closing appender.');
+        }
+    }
+
+    public function append(LoggerLoggingEvent $event) {
+        $msg = $event->getMessage();
+
+        // Skip formatting for objects and arrays which are handled by FirePHP.
+        if (!is_array($msg) && !is_object($msg)) {
+            $msg = $this->getLayout()->format($event);
+        }
+
+        switch ($event->getLevel()->toInt()) {
+            case LoggerLevel::TRACE:
+            case LoggerLevel::DEBUG:
+                $this->console->log($msg);
+                break;
+            case LoggerLevel::INFO:
+                $this->console->info($msg);
+                break;
+            case LoggerLevel::WARN:
+                $this->console->warn($msg);
+                break;
+            case LoggerLevel::ERROR:
+            case LoggerLevel::FATAL:
+                $this->console->error($msg);
+                break;
+        }
+    }
+
+    /** Returns the target. */
+    public function getTarget() {
+        return $this->target;
+    }
+
+    /** Sets the target. */
+    public function setTarget($target) {
+        $this->setString('target', $target);
+    }
+}
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