Ejemplo n.º 1
0
 /**
  * Force a download of a file to the user's browser. This function is
  * binary-safe and will work with any MIME type that Eight is aware of.
  *
  * @param   string  a file path or file name
  * @param   mixed   data to be sent if the filename does not exist
  * @param   string  suggested filename to display in the download
  */
 public static function download($filename = nil, $data = nil, $nicename = nil)
 {
     if (empty($filename)) {
         return NO;
     }
     if (is_file($filename)) {
         // Get the real path
         $filepath = str_replace('\\', '/', realpath($filename));
         // Set filesize
         $filesize = filesize($filepath);
         // Get filename
         $filename = substr(strrchr('/' . $filepath, '/'), 1);
         // Get extension
         $extension = strtolower(substr(strrchr($filepath, '.'), 1));
     } else {
         // Get filesize
         $filesize = strlen($data);
         // Make sure the filename does not have directory info
         $filename = substr(strrchr('/' . $filename, '/'), 1);
         // Get extension
         $extension = strtolower(substr(strrchr($filename, '.'), 1));
     }
     // Get the mime type of the file
     $mime = Eight::config('mimes.' . $extension);
     if (empty($mime)) {
         // Set a default mime if none was found
         $mime = array('application/octet-stream');
     }
     // Generate the server headers
     header('Content-Type: ' . $mime[0]);
     header('Content-Disposition: attachment; filename="' . (empty($nicename) ? $filename : $nicename) . '"');
     header('Content-Transfer-Encoding: binary');
     header('Content-Length: ' . sprintf('%d', $filesize));
     // More caching prevention
     header('Expires: 0');
     if (Eight::user_agent('browser') === 'Internet Explorer') {
         // Send IE headers
         header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
         header('Pragma: public');
     } else {
         // Send normal headers
         header('Pragma: no-cache');
     }
     // Clear the output buffer
     Eight::close_buffers(NO);
     if (isset($filepath)) {
         // Open the file
         $handle = fopen($filepath, 'rb');
         // Send the file data
         fpassthru($handle);
         // Close the file
         fclose($handle);
     } else {
         // Send the file data
         echo $data;
     }
 }
Ejemplo n.º 2
0
 /**
  * Cleans up the PHP environment. Disables error/exception handling and the
  * auto-loading method and closes the output buffer.
  *
  * This method does not need to be called during normal system execution,
  * however in some advanced situations it can be helpful.
  */
 public static function cleanup()
 {
     static $run;
     // Only run this function once
     if ($run === TRUE) {
         return;
     }
     $run = TRUE;
     // Using Eight Errors? Disable them since we're finished.
     if (Eight::$errors === TRUE) {
         Eight_Exception::disable();
         Eight_Exception_PHP::disable();
     }
     spl_autoload_unregister(array('Eight', 'auto_load'));
     Eight::close_buffers();
 }