Test if PropertyAccess component is available

mpiot · mpiot · commit 248840f9536a · 2022-09-28T16:12:16.000+02:00
diff --git a/src/Symfony/Component/Validator/Constraints/UniqueValidator.php b/src/Symfony/Component/Validator/Constraints/UniqueValidator.php
@@ -15,6 +15,7 @@
 use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\LogicException;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 use Symfony\Component\Validator\Exception\UnexpectedValueException;
 
@@ -103,6 +104,10 @@ private function reduceElementKeys(array $fields, array|object $element): array
     private function getPropertyAccessor(): PropertyAccessorInterface
     {
         if (null === $this->propertyAccessor) {
+            if (!class_exists(PropertyAccess::class)) {
+                throw new LogicException('Unable to use property path as the Symfony PropertyAccess component is not installed.');
+            }
+
             $this->propertyAccessor = PropertyAccess::createPropertyAccessor();
         }
 
