update

projects/priceservice/vendor/symfony/maker-bundle/templates/validator/Constraint.tpl.php

@@ -0,0 +1,22 @@
+<?= "<?php\n" ?>
+
+namespace <?= $class_data->getNamespace(); ?>;
+
+<?= $class_data->getUseStatements(); ?>
+
+#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
+<?= $class_data->getClassDeclaration(); ?>
+
+{
+    public string $message = 'The string "{{ value }}" contains an illegal character: it can only contain letters or numbers.';
+
+    // You can use #[HasNamedArguments] to make some constraint options required.
+    // All configurable options must be passed to the constructor.
+    public function __construct(
+        public string $mode = 'strict',
+        ?array $groups = null,
+        mixed $payload = null
+    ) {
+        parent::__construct([], $groups, $payload);
+    }
+}

projects/priceservice/vendor/symfony/maker-bundle/templates/validator/Validator.tpl.php

@@ -0,0 +1,24 @@
+<?= "<?php\n" ?>
+
+namespace <?= $class_data->getNamespace(); ?>;
+
+<?= $class_data->getUseStatements(); ?>
+
+<?= $class_data->getClassDeclaration(); ?>
+
+{
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        /** @var <?= $constraint_class_name ?> $constraint */
+
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        // TODO: implement the validation here
+        $this->context->buildViolation($constraint->message)
+            ->setParameter('{{ value }}', $value)
+            ->addViolation()
+        ;
+    }
+}