diff --git a/library/log4php/appenders/LoggerAppenderPDO.php b/library/log4php/appenders/LoggerAppenderPDO.php
deleted file mode 100644
--- a/library/log4php/appenders/LoggerAppenderPDO.php
+++ /dev/null
@@ -1,282 +0,0 @@
-<?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.
- */
-
-/**
- * LoggerAppenderPDO appender logs to a database using the PHP's PDO extension.
- *
- * ## Configurable parameters: ##
- *
- * - dsn - The Data Source Name (DSN) used to connect to the database.
- * - user - Username used to connect to the database.
- * - password - Password used to connect to the database.
- * - table - Name of the table to which log entries are be inserted.
- * - insertSQL - Sets the insert statement for a logging event. Defaults
- * to the correct one - change only if you are sure what you are doing.
- * - insertPattern - The conversion pattern to use in conjuction with insert
- * SQL. Must contain the same number of comma separated
- * conversion patterns as there are question marks in the
- * insertSQL.
- *
- * @version $Revision: 1374546 $
- * @package log4php
- * @subpackage appenders
- * @since 2.0
- * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
- * @link http://logging.apache.org/log4php/docs/appenders/pdo.html Appender documentation
- */
-class LoggerAppenderPDO extends LoggerAppender {
-
- // ******************************************
- // *** Configurable parameters ***
- // ******************************************
-
- /**
- * DSN string used to connect to the database.
- * @see http://www.php.net/manual/en/pdo.construct.php
- */
- protected $dsn;
-
- /** Database user name. */
- protected $user;
-
- /** Database password. */
- protected $password;
-
- /**
- * The insert query.
- *
- * The __TABLE__ placeholder will be replaced by the table name from
- * {@link $table}.
- *
- * The questionmarks are part of the prepared statement, and they must
- * match the number of conversion specifiers in {@link insertPattern}.
- */
- protected $insertSQL = "INSERT INTO __TABLE__ (timestamp, logger, level, message, thread, file, line) VALUES (?, ?, ?, ?, ?, ?, ?)";
-
- /**
- * A comma separated list of {@link LoggerPatternLayout} format strings
- * which replace the "?" in {@link $insertSQL}.
- *
- * Must contain the same number of comma separated conversion patterns as
- * there are question marks in {@link insertSQL}.
- *
- * @see LoggerPatternLayout For conversion patterns.
- */
- protected $insertPattern = "%date{Y-m-d H:i:s},%logger,%level,%message,%pid,%file,%line";
-
- /** Name of the table to which to append log events. */
- protected $table = 'log4php_log';
-
- /** The number of recconect attempts to make on failed append. */
- protected $reconnectAttempts = 3;
-
-
- // ******************************************
- // *** Private memebers ***
- // ******************************************
-
- /**
- * The PDO instance.
- * @var PDO
- */
- protected $db;
-
- /**
- * Prepared statement for the insert query.
- * @var PDOStatement
- */
- protected $preparedInsert;
-
- /** This appender does not require a layout. */
- protected $requiresLayout = false;
-
-
- // ******************************************
- // *** Appender methods ***
- // ******************************************
-
- /**
- * Acquires a database connection based on parameters.
- * Parses the insert pattern to create a chain of converters which will be
- * used in forming query parameters from logging events.
- */
- public function activateOptions() {
- try {
- $this->establishConnection();
- } catch (PDOException $e) {
- $this->warn("Failed connecting to database. Closing appender. Error: " . $e->getMessage());
- $this->close();
- return;
- }
-
- // Parse the insert patterns; pattern parts are comma delimited
- $pieces = explode(',', $this->insertPattern);
- $converterMap = LoggerLayoutPattern::getDefaultConverterMap();
- foreach ($pieces as $pattern) {
- $parser = new LoggerPatternParser($pattern, $converterMap);
- $this->converters[] = $parser->parse();
- }
-
- $this->closed = false;
- }
-
- /**
- * Connects to the database, and prepares the insert query.
- * @throws PDOException If connect or prepare fails.
- */
- protected function establishConnection() {
- // Acquire database connection
- $this->db = new PDO($this->dsn, $this->user, $this->password);
- $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-
- // Prepare the insert statement
- $insertSQL = str_replace('__TABLE__', $this->table, $this->insertSQL);
- $this->preparedInsert = $this->db->prepare($insertSQL);
- }
-
- /**
- * Appends a new event to the database.
- *
- * If writing to database fails, it will retry by re-establishing the
- * connection up to $reconnectAttempts times. If writing still fails,
- * the appender will close.
- */
- public function append(LoggerLoggingEvent $event) {
-
- for ($attempt = 1; $attempt <= $this->reconnectAttempts + 1; $attempt++) {
- try {
- // Attempt to write to database
- $this->preparedInsert->execute($this->format($event));
- $this->preparedInsert->closeCursor();
- break;
- } catch (PDOException $e) {
- $this->warn("Failed writing to database: " . $e->getMessage());
-
- // Close the appender if it's the last attempt
- if ($attempt > $this->reconnectAttempts) {
- $this->warn("Failed writing to database after {$this->reconnectAttempts} reconnect attempts. Closing appender.");
- $this->close();
- // Otherwise reconnect and try to write again
- } else {
- $this->warn("Attempting a reconnect (attempt $attempt of {$this->reconnectAttempts}).");
- $this->establishConnection();
- }
- }
- }
- }
-
- /**
- * Converts the logging event to a series of database parameters by using
- * the converter chain which was set up on activation.
- */
- protected function format(LoggerLoggingEvent $event) {
- $params = array();
- foreach ($this->converters as $converter) {
- $buffer = '';
- while ($converter !== null) {
- $converter->format($buffer, $event);
- $converter = $converter->next;
- }
- $params[] = $buffer;
- }
- return $params;
- }
-
- /**
- * Closes the connection to the logging database
- */
- public function close() {
- // Close the connection (if any)
- $this->db = null;
-
- // Close the appender
- $this->closed = true;
- }
-
- // ******************************************
- // *** Accessor methods ***
- // ******************************************
-
- /**
- * Returns the active database handle or null if not established.
- * @return PDO
- */
- public function getDatabaseHandle() {
- return $this->db;
- }
-
- /** Sets the username. */
- public function setUser($user) {
- $this->setString('user', $user);
- }
-
- /** Returns the username. */
- public function getUser($user) {
- return $this->user;
- }
-
- /** Sets the password. */
- public function setPassword($password) {
- $this->setString('password', $password);
- }
-
- /** Returns the password. */
- public function getPassword($password) {
- return $this->password;
- }
-
- /** Sets the insert SQL. */
- public function setInsertSQL($sql) {
- $this->setString('insertSQL', $sql);
- }
-
- /** Returns the insert SQL. */
- public function getInsertSQL($sql) {
- return $this->insertSQL;
- }
-
- /** Sets the insert pattern. */
- public function setInsertPattern($pattern) {
- $this->setString('insertPattern', $pattern);
- }
-
- /** Returns the insert pattern. */
- public function getInsertPattern($pattern) {
- return $this->insertPattern;
- }
-
- /** Sets the table name. */
- public function setTable($table) {
- $this->setString('table', $table);
- }
-
- /** Returns the table name. */
- public function getTable($table) {
- return $this->table;
- }
-
- /** Sets the DSN string. */
- public function setDSN($dsn) {
- $this->setString('dsn', $dsn);
- }
-
- /** Returns the DSN string. */
- public function getDSN($dsn) {
- return $this->setString('dsn', $dsn);
- }
-}