diff -r 5e7a0fedabdf -r 877f952ae2bd web/lib/Zend/Log/Writer/Abstract.php
--- a/web/lib/Zend/Log/Writer/Abstract.php	Thu Mar 21 17:31:31 2013 +0100
+++ b/web/lib/Zend/Log/Writer/Abstract.php	Thu Mar 21 19:50:53 2013 +0100
@@ -15,9 +15,9 @@
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Abstract.php 22567 2010-07-16 03:32:31Z ramon $
+ * @version    $Id: Abstract.php 24593 2012-01-05 20:35:02Z matthew $
  */
 
 /** Zend_Log_Filter_Priority */
@@ -27,9 +27,9 @@
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
- * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Abstract.php 22567 2010-07-16 03:32:31Z ramon $
+ * @version    $Id: Abstract.php 24593 2012-01-05 20:35:02Z matthew $
  */
 abstract class Zend_Log_Writer_Abstract implements Zend_Log_FactoryInterface
 {
@@ -40,6 +40,7 @@
 
     /**
      * Formats the log message before writing.
+     *
      * @var Zend_Log_Formatter_Interface
      */
     protected $_formatter;
@@ -48,11 +49,11 @@
      * Add a filter specific to this writer.
      *
      * @param  Zend_Log_Filter_Interface  $filter
-     * @return void
+     * @return Zend_Log_Writer_Abstract
      */
     public function addFilter($filter)
     {
-        if (is_integer($filter)) {
+        if (is_int($filter)) {
             $filter = new Zend_Log_Filter_Priority($filter);
         }
 
@@ -69,7 +70,7 @@
     /**
      * Log a message to this writer.
      *
-     * @param  array     $event  log data event
+     * @param  array $event log data event
      * @return void
      */
     public function write($event)
@@ -88,7 +89,7 @@
      * Set a new formatter for this writer
      *
      * @param  Zend_Log_Formatter_Interface $formatter
-     * @return void
+     * @return Zend_Log_Writer_Abstract
      */
     public function setFormatter(Zend_Log_Formatter_Interface $formatter)
     {
@@ -128,8 +129,8 @@
         if (!is_array($config)) {
             require_once 'Zend/Log/Exception.php';
             throw new Zend_Log_Exception(
-				'Configuration must be an array or instance of Zend_Config'
-			);
+                'Configuration must be an array or instance of Zend_Config'
+            );
         }
 
         return $config;