<?PHP
declare(strict_types = 1);
$license_url = array (
  'CC BY-NC-SA' => 'https://creativecommons.org/licenses/by-nc-sa/4.0/',
  'CC BY-NC-ND' => 'https://creativecommons.org/licenses/by-nc-nd/4.0/',
  'CC BY-NC' => 'https://creativecommons.org/licenses/by-nc/4.0/',
  'CC BY-ND' => 'https://creativecommons.org/licenses/by-nd/4.0/',
  'CC BY-SA' => 'https://creativecommons.org/licenses/by-sa/4.0/',
  'CC BY' => 'https://creativecommons.org/licenses/by/4.0/',
  'CC0' => 'https://creativecommons.org/publicdomain/zero/1.0/',
  'RR-F' => 'http://www.europeana.eu/rights/rr-f/',
  'RR-P' => 'http://www.europeana.eu/rights/rr-p/',
  'RR-R' => 'http://www.europeana.eu/rights/rr-r/',
  'Orphan Work' => 'http://www.europeana.eu/rights/orphan-work-eu/',
  'Public Domain Mark' => 'https://creativecommons.org/publicdomain/mark/1.0/',
);