<?php

// creating a hash twig function as Extension
class MyTwigFunctions extends Twig\Extension\AbstractExtension
{
    public function getName()
    {
        return 'MyFunctions';
    }
    
    public function getFunctions()
    {
        return [
            new Twig\TwigFunction('hash', [$this, 'myHash']),
        ];
    }
    
    public function myHash($value)
    {
        return hash('crc32', $value);
    }
}

$path = __DIR__ . '/templates/';
$file = 'hash.html.twig';

echo '- template content:' . PHP_EOL;
echo file_get_contents($path . $file) . PHP_EOL;

$loader = new Twig\Loader\FilesystemLoader($path);
$twig = new Twig\Environment($loader);
$twig->addExtension(new MyTwigFunctions());

echo '- rendered template:' . PHP_EOL;
echo $twig->render($file);

- template content:
My hash: {{ hash("test") }}
- rendered template:
My hash: accf8b33

• Resize images with Imagine
• Encryption with PHPSecLib
• Deserialization of XML with JMS Serializer

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