Installation

Installation consists of two parts: getting composer package and configuring an application.

Installing an extension

The preferred way to install this extension is through composer.

Either run

php composer.phar require --prefer-dist yiisoft/yii2-twig

or add

"yiisoft/yii2-twig": "~2.0.0"

to the require section of your composer.json.

Configuring application

In order to start using Twig you need to configure view component like the following:

[
    'components' => [
        'view' => [
            'class' => 'yii\web\View',
            'renderers' => [
                'twig' => [
                    'class' => 'yii\twig\ViewRenderer',
                    'cachePath' => '[@runtime](https://github.com/runtime)/Twig/cache',
                    // Array of twig options:
                    'options' => [
                        'auto_reload' => true,
                    ],
                    'globals' => [
                        'html' => ['class' => '\yii\helpers\Html'],
                    ],
                    'uses' => ['yii\bootstrap'],
                ],
                // ...
            ],
        ],
    ],
]

After it's done you can create templates in files that have the .twig extension. If you want to use another file extension, you need to configure the component accordingly. Below is an example for .html:

[
    'components' => [
        'view' => [
            'class' => 'yii\web\View',
            'renderers' => [
                'html' => [
                    'class' => 'yii\twig\ViewRenderer',
                    'cachePath' => '[@runtime](https://github.com/runtime)/Twig/cache',
                    // Array of twig options:
                    'options' => [
                        'auto_reload' => true,
                    ],
                    'globals' => [
                        'html' => ['class' => '\yii\helpers\Html'],
                    ],
                    'uses' => ['yii\bootstrap'],
                ],
                // ...
            ],
        ],
    ],
]

Unlike standard view files, when using Twig you must include the extension in your $this->render() controller call:

return $this->render('renderer.twig', ['username' => 'Alex']);