original_string: protected function install_language_pack($langcode) {
  
          // initialise new component installer to process this language
          $installer = new component_installer('https://download.moodle.org', 'download.php/direct/langpack/' . $this->version,
              $langcode . '.zip', 'languages.md5', 'lang');
  
          if (!$installer->requisitesok) {
              throw new lang_installer_exception('installer_requisites_check_failed');
          }
  
          $status = $installer->install();
  
          if ($status == COMPONENT_ERROR) {
              if ($installer->get_error() === 'remotedownloaderror') {
                  return self::RESULT_DOWNLOADERROR;
              } else {
                  throw new lang_installer_exception($installer->get_error(), $langcode);
              }
  
          } else if ($status == COMPONENT_UPTODATE) {
              return self::RESULT_UPTODATE;
  
          } else if ($status == COMPONENT_INSTALLED) {
              return self::RESULT_INSTALLED;
  
          } else {
              throw new lang_installer_exception('unexpected_installer_result', $status);
          }
      }
code: protected function install_language_pack($langcode) {
  
          // initialise new component installer to process this language
          $installer = new component_installer('https://download.moodle.org', 'download.php/direct/langpack/' . $this->version,
              $langcode . '.zip', 'languages.md5', 'lang');
  
          if (!$installer->requisitesok) {
              throw new lang_installer_exception('installer_requisites_check_failed');
          }
  
          $status = $installer->install();
  
          if ($status == COMPONENT_ERROR) {
              if ($installer->get_error() === 'remotedownloaderror') {
                  return self::RESULT_DOWNLOADERROR;
              } else {
                  throw new lang_installer_exception($installer->get_error(), $langcode);
              }
  
          } else if ($status == COMPONENT_UPTODATE) {
              return self::RESULT_UPTODATE;
  
          } else if ($status == COMPONENT_INSTALLED) {
              return self::RESULT_INSTALLED;
  
          } else {
              throw new lang_installer_exception('unexpected_installer_result', $status);
          }
      }
code_tokens: protected function install_language_pack ( $ langcode ) { // initialise new component installer to process this language $ installer = new component_installer ( 'https://download.moodle.org' , 'download.php/direct/langpack/' . $ this -> version , $ langcode . '.zip' , 'languages.md5' , 'lang' ) ; if ( ! $ installer -> requisitesok ) { throw new lang_installer_exception ( 'installer_requisites_check_failed' ) ; } $ status = $ installer -> install ( ) ; if ( $ status == COMPONENT_ERROR ) { if ( $ installer -> get_error ( ) === 'remotedownloaderror' ) { return self :: RESULT_DOWNLOADERROR ; } else { throw new lang_installer_exception ( $ installer -> get_error ( ) , $ langcode ) ; } } else if ( $ status == COMPONENT_UPTODATE ) { return self :: RESULT_UPTODATE ; } else if ( $ status == COMPONENT_INSTALLED ) { return self :: RESULT_INSTALLED ; } else { throw new lang_installer_exception ( 'unexpected_installer_result' , $ status ) ; } }
docstring: Perform the actual language pack installation
  
  @uses component_installer
  @param string $langcode
  @return int return status
docstring_tokens: Perform the actual language pack installation