C:/xampp/htdocs/zen-cart/admin/includes/classes/logger.php

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<?php
//
// +----------------------------------------------------------------------+
// |zen-cart Open Source E-commerce                                       |
// +----------------------------------------------------------------------+
// | Copyright (c) 2003 The zen-cart developers                           |
// |                                                                      |   
// | http://www.zen-cart.com/index.php                                    |   
// |                                                                      |   
// | Portions Copyright (c) 2003 osCommerce                               |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the GPL license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available through the world-wide-web at the following url:           |
// | http://www.zen-cart.com/license/2_0.txt.                             |
// | If you did not receive a copy of the zen-cart license and are unable |
// | to obtain it through the world-wide-web, please send a note to       |
// | [email protected] so we can mail you a copy immediately.          |
// +----------------------------------------------------------------------+

//  $Id: logger.php 1969 2005-09-13 06:57:21Z drbyte $
//

  class logger {
    var $timer_start, $timer_stop, $timer_total;

// class constructor
    function logger() {
      $this->timer_start();
    }

    function timer_start() {
      if (defined("PAGE_PARSE_START_TIME")) {
        $this->timer_start = PAGE_PARSE_START_TIME;
      } else {
        $this->timer_start = microtime();
      }
    }

    function timer_stop($display = 'false') {
      $this->timer_stop = microtime();

      $time_start = explode(' ', $this->timer_start);
      $time_end = explode(' ', $this->timer_stop);

      $this->timer_total = number_format(($time_end[1] + $time_end[0] - ($time_start[1] + $time_start[0])), 3);

      $this->write($_SERVER['REQUEST_URI'], $this->timer_total . 's');

      if ($display == 'true') {
        return $this->timer_display();
      }
    }

    function timer_display() {
      return '<span class="smallText">Parse Time: ' . $this->timer_total . 's</span>';
    }

    function write($message, $type) {
      error_log(strftime(STORE_PARSE_DATE_TIME_FORMAT) . ' [' . $type . '] ' . $message . "\n", 3, STORE_PAGE_PARSE_TIME_LOG);
    }
  }
?>