<?php

$closure = function($asterisk, $str) {
    return "<$asterisk>".md5($str)."</$asterisk>";
};

// twig function name has a * wildcard
$function = new Twig\TwigFunction('md5_*', $closure,
    ['is_safe' => ['html']]);

// Using md5_* function in template
$templates = [
    'template' => '{{ md5_strong("string") }}
    <br>{{ md5_em("string") }}',
];
$loader = new Twig\Loader\ArrayLoader($templates);
$twig = new Twig\Environment($loader);
$twig->addFunction($function);

echo $twig->render('template');

b45cffe084dd3d20d928bee85e7b0f21
b45cffe084dd3d20d928bee85e7b0f21

• Creating and using Twig functions
• Encryption with PHPSecLib
• Getting all colors of a picture with imagine

PHP 8.3, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8