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MDL-28687 questions avoid fatal errors when reviewing attempts at deleted questions.

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This commit is contained in:
Tim Hunt 2011-08-16 11:36:54 +01:00
parent 4f3632441a
commit 2a73f863ff
1 changed files with 5 additions and 0 deletions
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5
lib/questionlib.php
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@ -1343,6 +1343,11 @@ function question_has_capability_on($question, $cap, $cachecat = -1) {
}
$question = $questions[$question];
}
if (empty($question->category)) {
// This can happen when we have created a fake 'missingtype' question to
// take the place of a deleted question.
return false;
}
if (!isset($categories[$question->category])) {
if (!$categories[$question->category] = $DB->get_record('question_categories',
array('id'=>$question->category))) {