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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** Zend_Log_Writer_Abstract */
 // require_once 'Zend/Log/Writer/Abstract.php';
 
 /**
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Log_Writer_ZendMonitor extends Zend_Log_Writer_Abstract
 {
     /**
      * Is Zend Monitor enabled?
      *
      * @var boolean
      */
     protected $_isEnabled = true;
 
     /**
      * Is this for a Zend Server intance?
      *
      * @var boolean
      */
     protected $_isZendServer = false;
 
     /**
      * @return void
      */
     public function __construct()
     {
         if (!function_exists('monitor_custom_event')) {
             $this->_isEnabled = false;
         }
         if (function_exists('zend_monitor_custom_event')) {
             $this->_isZendServer = true;
         }
     }
 
     /**
      * Create a new instance of Zend_Log_Writer_ZendMonitor
      *
      * @param  array|Zend_Config $config
      * @return Zend_Log_Writer_ZendMonitor
      */
     static public function factory($config)
     {
         return new self();
     }
 
     /**
      * Is logging to this writer enabled?
      *
      * If the Zend Monitor extension is not enabled, this log writer will
      * fail silently. You can query this method to determine if the log
      * writer is enabled.
      *
      * @return boolean
      */
     public function isEnabled()
     {
         return $this->_isEnabled;
     }
 
     /**
      * Log a message to this writer.
      *
      * @param  array $event log data event
      * @return void
      */
     public function write($event)
     {
         if (!$this->isEnabled()) {
             return;
         }
 
         parent::write($event);
     }
 
     /**
      * Write a message to the log.
      *
      * @param  array  $event log data event
      * @return void
      */
     protected function _write($event)
     {
         $priority = $event['priority'];
         $message  = $event['message'];
         unset($event['priority'], $event['message']);
 
         if (!empty($event)) {
             if ($this->_isZendServer) {
                 // On Zend Server; third argument should be the event
                 zend_monitor_custom_event($priority, $message, $event);
             } else {
                 // On Zend Platform; third argument is severity -- either
                 // 0 or 1 -- and fourth is optional (event)
                 // Severity is either 0 (normal) or 1 (severe); classifying
                 // notice, info, and debug as "normal", and all others as
                 // "severe"
                 monitor_custom_event($priority, $message, ($priority > 4) ? 0 : 1, $event);
             }
         } else {
             monitor_custom_event($priority, $message);
         }
     }
 }