presenter:
$form->addDynamic('snippety', function (Container $snippets) use ($presenter) {
                $snippets->addText('street', 'Ulice');
                $snippets->addText('city', 'Město');
                $snippets->addText('zip', 'PSČ');
        }, 1);

template:
{foreach $form['snippety']->containers as $snipet}

            {$snipet['name']->control} {$snipet['name']->label}

        {/foreach}

chyba na riadku 23:
21:    <?php $iterations = 0; foreach ($form['snippety']->containers as $snipet): ?>
22:
23:                <?php echo Nette\Templating\Helpers::escapeHtml($snipet['name']->control, ENT_NOQUOTES) ?>