First commit

packages/mmt/ddd-shared-kernel/ValueObjects/Email.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace MMT\DDDSharedKernel\ValueObjects;
+
+use InvalidArgumentException;
+
+final class Email extends ValueObject
+{
+    public function __construct(
+        public private(set) string $email
+    )
+    {
+        $this->email = trim(mb_strtolower($email));
+
+        if (!filter_var($this->email, FILTER_VALIDATE_EMAIL)) {
+            throw new InvalidArgumentException("Invalid email format");
+        }
+    }
+}