validate('ip', $ip, function () use (&$failCalled): void { $failCalled = true; }); expect($failCalled)->toBeFalse(); })->with([ 'private IPv4' => '192.168.1.10', 'loopback IPv4' => '127.0.0.1', 'link-local IPv4' => '169.254.1.10', 'loopback IPv6' => '::1', 'unique local IPv6' => 'fd00::1', ]);