Next major version 2 with PHP 8.1, Symfony 6, Tabler UI, 2FA ... (#2902)

src/Validator/Constraints/DateTimeFormatValidator.php

@@ -13,22 +13,42 @@ use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 
-class DateTimeFormatValidator extends ConstraintValidator
+final class DateTimeFormatValidator extends ConstraintValidator
 {
     /**
-     * @param string|mixed $value
+     * @param string|mixed|null $value
      * @param Constraint $constraint
      */
-    public function validate($value, Constraint $constraint)
+    public function validate(mixed $value, Constraint $constraint): void
     {
         if (!($constraint instanceof DateTimeFormat)) {
             throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\DateTimeFormat');
         }
 
-        if ($value === null) {
+        if (!\is_string($value)) {
             return;
         }
 
+        if ($constraint->separator === null || $constraint->separator === '') {
+            if (str_contains($value, ',')) {
+                $this->context->buildViolation('The given value should not contain a comma.')
+                    ->setTranslationDomain('validators')
+                    ->setCode(DateTimeFormat::INVALID_FORMAT)
+                    ->addViolation();
+            }
+
+            $this->validateDateTime($value);
+
+            return;
+        }
+
+        foreach (explode($constraint->separator, $value) as $v) {
+            $this->validateDateTime($v);
+        }
+    }
+
+    private function validateDateTime(mixed $value): void
+    {
         $valid = true;
 
         if (!\is_string($value)) {