Fixing bugs.

ReCodEx · Jul 18, 2024 · c64ca8f · c64ca8f
1 parent dd08ea5
commit c64ca8f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/app/helpers/ExerciseConfig/Pipeline/Box/Box.php b/app/helpers/ExerciseConfig/Pipeline/Box/Box.php
@@ -241,7 +241,7 @@ public function getOutputPort(string $port): ?Port
      */
     protected function hasInputPortValue(string $port): bool
     {
-        return $this->getInputPort($port)->getVariableValue() !== null &&
+        return $this->getInputPort($port)?->getVariableValue() !== null &&
             !$this->getInputPort($port)->getVariableValue()->isEmpty();
     }
 
@@ -252,7 +252,7 @@ protected function hasInputPortValue(string $port): bool
      */
     protected function hasOutputPortValue(string $port): bool
     {
-        return $this->getOutputPort($port)->getVariableValue() !== null &&
+        return $this->getOutputPort($port)?->getVariableValue() !== null &&
             !$this->getOutputPort($port)->getVariableValue()->isEmpty();
     }