SwissQR: add Sprain\SwissQrBill and dependencies

htdocs/includes/symfony/validator/Constraints/SequentiallyValidator.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+/**
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+class SequentiallyValidator extends ConstraintValidator
+{
+    public function validate(mixed $value, Constraint $constraint)
+    {
+        if (!$constraint instanceof Sequentially) {
+            throw new UnexpectedTypeException($constraint, Sequentially::class);
+        }
+
+        $context = $this->context;
+
+        $validator = $context->getValidator()->inContext($context);
+
+        $originalCount = $validator->getViolations()->count();
+
+        foreach ($constraint->constraints as $c) {
+            if ($originalCount !== $validator->validate($value, $c)->getViolations()->count()) {
+                break;
+            }
+        }
+    }
+}