init_gzip.php

Zen Cart是一款最新的购物车软件

<?php
/**
 * @package admin
 * @copyright Copyright 2003-2006 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: init_gzip.php 3001 2006-02-09 21:45:06Z wilt $
 */
if (!defined('IS_ADMIN_FLAG')) {
  die('Illegal Access');
}
// Used in the "Backup Manager" to compress backups
  define('LOCAL_EXE_GZIP', '/usr/bin/gzip');
  define('LOCAL_EXE_GUNZIP', '/usr/bin/gunzip');
  define('LOCAL_EXE_ZIP', '/usr/local/bin/zip');
  define('LOCAL_EXE_UNZIP', '/usr/local/bin/unzip');

// GZIP for Admin
// if gzip_compression is enabled, start to buffer the output
  if ( (GZIP_LEVEL == '1') && ($ext_zlib_loaded = extension_loaded('zlib')) && (PHP_VERSION >= '4') ) {
    if (($ini_zlib_output_compression = (int)ini_get('zlib.output_compression')) < 1) {
      if (PHP_VERSION >= '4.0.4') {
        ob_start('ob_gzhandler');
      } else {
        include(DIR_WS_FUNCTIONS . 'gzip_compression.php');
        ob_start();
        ob_implicit_flush();
      }
    } else {
      @ini_set('zlib.output_compression_level', GZIP_LEVEL);
    }
  }
?>