The CSV user import produces fatal errors due to str_getcsv() not being available on PHP versions lower than 5.3.0 (see
https://forum.dokuwiki.org/thread/10578). But our requirements [https://www.dokuwiki.org/requirements] state DokuWiki needs version 5.2.0 or later to run.
Either we need to up the required version in the docs, or we need to provide an alternative for str_getcsv().