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Commit bdd55511 authored by David Siegfried's avatar David Siegfried
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prevent php8-warnings, closes #2383

Closes #2383

Merge request studip/studip!1575
parent 99339ad5
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...@@ -21,10 +21,11 @@ abstract class CoursewareController extends AuthenticatedController ...@@ -21,10 +21,11 @@ abstract class CoursewareController extends AuthenticatedController
{ {
$this->unit_id = $unit->id; $this->unit_id = $unit->id;
$last_element = $this->getLastElement($last, $context, $rangeId); $last_element = $this->getLastElement($last, $context, $rangeId);
if ($last_element) { if ($last_element) {
$last_element_unit = $last_element->findUnit(); $last_element_unit = $last_element->findUnit();
} }
if ($last_element_unit->id === $unit->id) { if (isset($last_element_unit) && $last_element_unit->id === $unit->id) {
$this->entry_element_id = $last_element->id; $this->entry_element_id = $last_element->id;
} else { } else {
$this->entry_element_id = $unit->structural_element_id; $this->entry_element_id = $unit->structural_element_id;
......
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