EDIT

 */

/**

 * Cleanup of the textual short form of an author team.

 *

 * The cdm fails to create correct representations of author teams.

 * The '&' gluing the authors together need to be cleaned up.

 *

 * @param $author_team

 *  the authorTeam string

 *

 * @return string

 */

function _short_form_of_author_team($author_team) {

  $number_of_authors = substr_count($author_team, ' & ') + 1;

  // var_dump($author_team);

  // var_dump($number_of_authors);

  switch ($number_of_authors) {

    case 1:

      $result = $author_team;

      break;

    case 2:

      $result = str_replace(' & ', ' and ', $author_team);

      break;

    default:

      $result_parts = explode(' & ', $author_team);

      $result = $result_parts[0] . ' et al.';

  }

  return $result;

}