implement validation class

src/Valid.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Net;
+
+class Valid
+{
+    public static function ip(mixed $value): bool
+    {
+        return self::ip4($value) || self::ip6($value);
+    }
+
+    public static function ip4(mixed $value): bool
+    {
+        return false !== filter_var(
+            $value,
+            FILTER_VALIDATE_IP,
+            FILTER_FLAG_IPV4
+        );
+    }
+
+    public static function ip6(mixed $value): bool
+    {
+        return false !== filter_var(
+            $value,
+            FILTER_VALIDATE_IP,
+            FILTER_FLAG_IPV6
+        );
+    }
+
+    public static function domainHostName(mixed $value): bool
+    {
+        return false !== filter_var(
+            $value,
+            FILTER_VALIDATE_DOMAIN,
+            FILTER_FLAG_HOSTNAME
+        );
+    }
+}