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| author | David Siegfried <david.siegfried@uni-vechta.de> | 2024-11-05 14:48:18 +0000 |
|---|---|---|
| committer | Jan-Hendrik Willms <tleilax+studip@gmail.com> | 2024-11-05 14:48:18 +0000 |
| commit | 5e152fa4fb034e5952dfde30e7f2cd99a6e33b39 (patch) | |
| tree | b086796c5c106d20899f4c3ba508d2fcc2b6bd0f /lib/classes/SemBrowse.class.php | |
| parent | d5327a04059ae4b88a51f0c089370d597717f4e3 (diff) | |
prevent php-warnings, fixes #4829
Merge request studip/studip!3611
Diffstat (limited to 'lib/classes/SemBrowse.class.php')
| -rw-r--r-- | lib/classes/SemBrowse.class.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/classes/SemBrowse.class.php b/lib/classes/SemBrowse.class.php index c1cae8d..a3e7c12 100644 --- a/lib/classes/SemBrowse.class.php +++ b/lib/classes/SemBrowse.class.php @@ -816,7 +816,7 @@ class SemBrowse { uksort($group_by_data, function($a,$b) { $the_tree = TreeAbstract::GetInstance('StudipSemTree', false); $the_tree->buildIndex(); - return $the_tree->tree_data[$a]['index'] - $the_tree->tree_data[$b]['index']; + return ($the_tree->tree_data[$a]['index'] ?? 0) - ($the_tree->tree_data[$b]['index'] ?? 0); }); break; case 3: |