films-symfony-4-2/src/Twig/Extension/ShowLinksExtension.php

<?php

namespace App\Twig\Extension;

use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;

class ShowLinksExtension extends AbstractExtension
{
    public function getFilters(): array
    {
        return [
            // If your filter generates SAFE HTML, you should add a third
            // parameter: ['is_safe' => ['html']]
            // Reference: https://twig.symfony.com/doc/3.x/advanced.html#automatic-escaping
            new TwigFilter('show_links', [$this, 'showLinks']),
        ];
    }

    public function showLinks(string $texte): string
    {
        return preg_replace('#((https?|ftp)://(\S*?\.\S*?))([\s)\[\]{},;"\':<]|\.\s|$)#i', "<a href=\"$1\" target=\"_blank\">$1</a>$4", $texte);
    }
}