function configuration_download_config in Configuration Management 7

Download the entire configuration packaged up into zip file

2 calls to configuration_download_config()

configuration_download_config_submit in ./configuration.admin.inc

Submit handler for downloading diff.

configuration_migrate_form_submit in ./configuration.admin.inc

Submit handler for downloading configs.

File

./configuration.admin.inc, line 936

Code

function configuration_download_config($configs = NULL) {
  module_load_include('inc', 'configuration', 'configuration.export');
  if ($configs) {
    configuration_include();

    // Only set the configurations that were checked to be passed to the
    // configuration_populate function.
    foreach ($configs as $component => $config) {
      foreach ($config as $name => $on) {
        if ($on) {
          if (!empty($all_config[$component][$name])) {
            $c[$component][$name] = $all_config[$component][$name];
          }
          else {
            $function = "configuration_hash_{$component}";
            $hash = $function($name);
            $c[$component][$name]['hash'] = $hash;
            $c[$component][$name]['status'] = CONFIGURATION_IN_SYNC;
            $c[$component][$name]['parent'] = '';
          }
        }
      }
    }
    $config = $c;
  }
  else {
    $config = configuration_get_configuration();
  }
  $config_populate = configuration_populate_sanitize($config);

  // Generate populated feature
  $module_name = 'configuration';
  $export = configuration_populate($config_populate, array());

  // Configs passed in by migrate function
  if ($configs) {

    // Check if there is dependencies to export.
    if (!empty($export['configuration_dependency'])) {
      foreach ($export['configuration_dependency']['configuration'] as $component => $config) {
        foreach ($config as $name => $parent) {
          $c[$component][$name]['status'] = CONFIGURATION_DATASTORE_ONLY;
          $c[$component][$name]['parent'] = $parent;
        }
      }
    }
    configuration_write_export_file($c, "temporary://config.export");
  }

  // Generate download
  if ($files = configuration_export_render($export, $module_name, TRUE)) {
    $filename = (!empty($export['version']) ? "{$module_name}-{$export['version']}" : $module_name) . '.tar';

    // Clear out output buffer to remove any garbage from tar output.
    if (ob_get_level()) {
      ob_end_clean();
    }
    drupal_add_http_header('Content-type', 'application/x-tar');
    drupal_add_http_header('Content-Disposition', 'attachment; filename="' . $filename . '"');
    drupal_send_headers();
    $tar = array();
    $filenames = array();
    foreach ($files as $extension => $file_contents) {
      if (!in_array($extension, array(
        'module',
        'info',
      ))) {
        $extension .= '.inc';
      }
      $filenames[] = "{$module_name}.{$extension}";
      print configuration_tar_create("{$module_name}/{$extension}", $file_contents);
    }
    $contents = file_get_contents("temporary://config.export");
    print configuration_tar_create("{$module_name}/config.export", $contents);
    unset($contents);
    print pack("a1024", "");
    exit;
  }
}