comparison vendor/symfony/validator/Constraints/CollectionValidator.php @ 5:12f9dff5fda9 tip

Update to Drupal core 8.7.1

         // to validate() instead.
         $context = $this->context;
 
         foreach ($constraint->fields as $field => $fieldConstraint) {
             // bug fix issue #2779
-            $existsInArray = \is_array($value) && array_key_exists($field, $value);
+            $existsInArray = \is_array($value) && \array_key_exists($field, $value);
             $existsInArrayAccess = $value instanceof \ArrayAccess && $value->offsetExists($field);
 
             if ($existsInArray || $existsInArrayAccess) {
                 if (\count($fieldConstraint->constraints) > 0) {
                     $context->getValidator()