PcreExtension example

class PcreExtensionTest extends TestCase
{
    /** * @dataProvider replaceCases */
    public function testReplaces(string $template, string $expected): void
    {
        $extension = new PcreExtension();

        $env = new Environment(new ArrayLoader(['test' => $template]));
        $env->addExtension($extension);

        static::assertSame($expected, $env->render('test'));
    }

    /** * @return iterable<array-key, array{string, string}> */
    public static function replaceCases(): iterable
    {

null,
            $options
        );

        $twig = new TwigEnvironment(
            new ScriptTwigLoader($script),
            $script->getTwigOptions()
        );

        $twig->addExtension(new PhpSyntaxExtension());
        $twig->addExtension(new ComparisonExtension());
        $twig->addExtension(new PcreExtension());
        $twig->addExtension(new ReplaceRecursiveFilter());

        if ($this->debug) {
            $twig->addExtension(new DebugExtension());
        }

        $twig->addExtension(new SecurityExtension([]));

        $hook = new AppScriptConditionHook($scope->getContext());

        try {
            

private function initEnv(Script $script): Environment
    {
        $twig = new TwigEnvironment(
            new ScriptTwigLoader($script),
            $script->getTwigOptions()
        );

        $twig->addExtension(new PhpSyntaxExtension());
        $twig->addExtension($this->translationExtension);
        $twig->addExtension(new SecurityExtension([]));
        $twig->addExtension(new PcreExtension());
        $twig->addExtension(new ReplaceRecursiveFilter());

        if ($script->getTwigOptions()['debug'] ?? false) {
            $twig->addExtension(new DebugExtension());
        }

        $twig->addGlobal('shopware', new ArrayStruct([
            'version' => $this->shopwareVersion,
        ]));

        return $twig;
    }