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web/lib/Laminas/Validator/Ip.php

@@ -0,0 +1,15 @@
+<?php
+declare(strict_types=1);
+namespace Laminas\Validator;
+
+// A very basic emulator of the Laminas IP validator.  We don't use the
+// original because (a) it requires PHP 8.0 and (b) it has too many other
+// dependencies.
+class Ip
+{
+  public function isValid(string $value): bool
+  {
+    return (false !== inet_pton($value));
+  }
+
+}