original_string: public function isWorking()
      {
          // if no no location database is available, this implementation is not setup correctly
          if (!self::isLocationDatabaseAvailable()) {
              $dbDir = dirname(geoip_db_filename(GEOIP_COUNTRY_EDITION)) . '/';
              $quotedDir = "'$dbDir'";
  
              // check if the directory the PECL module is looking for exists
              if (!is_dir($dbDir)) {
                  return Piwik::translate('UserCountry_PeclGeoIPNoDBDir', array($quotedDir, "'geoip.custom_directory'"));
              }
  
              // check if the user named the city database GeoLiteCity.dat
              if (file_exists($dbDir . 'GeoLiteCity.dat')) {
                  return Piwik::translate('UserCountry_PeclGeoLiteError',
                      array($quotedDir, "'GeoLiteCity.dat'", "'GeoIPCity.dat'"));
              }
  
              return Piwik::translate('UserCountry_CannotFindPeclGeoIPDb',
                  array($quotedDir, "'GeoIP.dat'", "'GeoIPCity.dat'"));
          }
  
          return parent::isWorking();
      }
code: public function isWorking()
      {
          // if no no location database is available, this implementation is not setup correctly
          if (!self::isLocationDatabaseAvailable()) {
              $dbDir = dirname(geoip_db_filename(GEOIP_COUNTRY_EDITION)) . '/';
              $quotedDir = "'$dbDir'";
  
              // check if the directory the PECL module is looking for exists
              if (!is_dir($dbDir)) {
                  return Piwik::translate('UserCountry_PeclGeoIPNoDBDir', array($quotedDir, "'geoip.custom_directory'"));
              }
  
              // check if the user named the city database GeoLiteCity.dat
              if (file_exists($dbDir . 'GeoLiteCity.dat')) {
                  return Piwik::translate('UserCountry_PeclGeoLiteError',
                      array($quotedDir, "'GeoLiteCity.dat'", "'GeoIPCity.dat'"));
              }
  
              return Piwik::translate('UserCountry_CannotFindPeclGeoIPDb',
                  array($quotedDir, "'GeoIP.dat'", "'GeoIPCity.dat'"));
          }
  
          return parent::isWorking();
      }
code_tokens: public function isWorking ( ) { // if no no location database is available, this implementation is not setup correctly if ( ! self :: isLocationDatabaseAvailable ( ) ) { $ dbDir = dirname ( geoip_db_filename ( GEOIP_COUNTRY_EDITION ) ) . '/' ; $ quotedDir = "'$dbDir'" ; // check if the directory the PECL module is looking for exists if ( ! is_dir ( $ dbDir ) ) { return Piwik :: translate ( 'UserCountry_PeclGeoIPNoDBDir' , array ( $ quotedDir , "'geoip.custom_directory'" ) ) ; } // check if the user named the city database GeoLiteCity.dat if ( file_exists ( $ dbDir . 'GeoLiteCity.dat' ) ) { return Piwik :: translate ( 'UserCountry_PeclGeoLiteError' , array ( $ quotedDir , "'GeoLiteCity.dat'" , "'GeoIPCity.dat'" ) ) ; } return Piwik :: translate ( 'UserCountry_CannotFindPeclGeoIPDb' , array ( $ quotedDir , "'GeoIP.dat'" , "'GeoIPCity.dat'" ) ) ; } return parent :: isWorking ( ) ; }
docstring: Returns true if the PECL module that is installed can be successfully used
  to get the location of an IP address.
  
  @return bool
docstring_tokens: Returns true if the PECL module that is installed can be successfully used to get the location of an IP address .