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2022-11-15prevent php8-warnings, closes #1770David Siegfried
Closes #1770 Merge request studip/studip!1148
2022-11-07prevent php8-warning, closes #1750David Siegfried
Closes #1750 Merge request studip/studip!1139
2022-09-28fix for BIESt #1104Moritz Strohm
Merge request studip/studip!674
2021-07-22current code from svn, revision 62608Jan-Hendrik Willms