从树枝扩展中渲染模板 [英] Render template from twig extension

问题描述

我构建了一个树枝扩展来执行某些操作，其中之一是渲染模板。如何从树枝扩展名内部访问引擎环境并调用Render方法？

I have built a twig extension to do some things and one of them is render a template. How can I access from inside the twig extension the engine environment and call the Render method?

推荐答案

您可以定义扩展名，以便它需要环境。

You can define the extension so that it needs the environment. Twig will automatically pass it to the function.

use Twig\Environment;
use Twig\TwigFunction;

public function getFunctions()
{
    return [
        new TwigFunction(
            'myfunction',
            [$this, 'myFunction'],
            ['needs_environment' => true]
        ),
    ];
}

public function myFunction(Environment $environment, string $someParam)
{
    // ...
}

对于较旧版本的Twig

For older versions of Twig

public function getFunctions()
{
    return array(
        new \Twig_SimpleFunction(
            'myfunction',
            array($this, 'myFunction'),
            array('needs_environment' => true)
        ),
    );
}

public function myFunction(\Twig_Environment $environment, string $someParam)
{
    // ...
}

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