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Software: Apache/2.2.3 (CentOS). PHP/5.1.6 

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/var/www/html/mis/system/helpers/   drwxr-xr-x
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Viewing file:     download_helper.php (2.68 KB)      -rwxr-xr-x
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<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package        CodeIgniter
 * @author        ExpressionEngine Dev Team
 * @copyright    Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license        http://codeigniter.com/user_guide/license.html
 * @link        http://codeigniter.com
 * @since        Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter Download Helpers
 *
 * @package        CodeIgniter
 * @subpackage    Helpers
 * @category    Helpers
 * @author        ExpressionEngine Dev Team
 * @link        http://codeigniter.com/user_guide/helpers/download_helper.html
 */

// ------------------------------------------------------------------------

/**
 * Force Download
 *
 * Generates headers that force a download to happen
 *
 * @access    public
 * @param    string    filename
 * @param    mixed    the data to be downloaded
 * @return    void
 */
if ( ! function_exists('force_download'))
{
    function 
force_download($filename ''$data '')
    {
        if (
$filename == '' OR $data == '')
        {
            return 
FALSE;
        }

        
// Try to determine if the filename includes a file extension.
        // We need it in order to set the MIME type
        
if (FALSE === strpos($filename'.'))
        {
            return 
FALSE;
        }

        
// Grab the file extension
        
$x explode('.'$filename);
        
$extension end($x);

        
// Load the mime types
        
if (defined('ENVIRONMENT') AND is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT))
        {
            include(
APPPATH.'config/'.ENVIRONMENT.'/mimes'.EXT);
        }
        elseif (
is_file(APPPATH.'config/mimes'.EXT))
        {
            include(
APPPATH.'config/mimes'.EXT);
        }

        
// Set a default mime if we can't find it
        
if ( ! isset($mimes[$extension]))
        {
            
$mime 'application/octet-stream';
        }
        else
        {
            
$mime = (is_array($mimes[$extension])) ? $mimes[$extension][0] : $mimes[$extension];
        }

        
// Generate the server headers
        
if (strpos($_SERVER['HTTP_USER_AGENT'], "MSIE") !== FALSE)
        {
            
header('Content-Type: "'.$mime.'"');
            
header('Content-Disposition: attachment; filename="'.$filename.'"');
            
header('Expires: 0');
            
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
            
header("Content-Transfer-Encoding: binary");
            
header('Pragma: public');
            
header("Content-Length: ".strlen($data));
        }
        else
        {
            
header('Content-Type: "'.$mime.'"');
            
header('Content-Disposition: attachment; filename="'.$filename.'"');
            
header("Content-Transfer-Encoding: binary");
            
header('Expires: 0');
            
header('Pragma: no-cache');
            
header("Content-Length: ".strlen($data));
        }

        exit(
$data);
    }
}


/* End of file download_helper.php */
/* Location: ./system/helpers/download_helper.php */

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