<?php declare(strict_types=1); namespace App\Twig; use Twig\Extension\AbstractExtension; use Twig\TwigFilter; final class UnserializeExtension extends AbstractExtension { /** * {@inheritdoc} */ public function getFilters(): array { return [ new TwigFilter('unserialize', [$this, 'unserialize']), ]; } public function unserialize($string) { if (empty($string) || is_array($string)) { return ''; } return unserialize($string); } }