???? ???? ??? ?? ? ?????? ??? ?? ??? ?? ???? ????. ???? ?? ?????? ???? ?? ???? ???? ? ?? ????? ????? ??? ?????? ?????. Yii? ??? ??? ??? ??? ???? ???? ??? PHP ????????. Yii3? Yii2? ???? ??? ?? ??? ?? ????? Yii ?????? ??? ?????. ?? ???? Yii3 ?????? ???? PHP ??????? ???? ??? ???????.

1. Yii3 ????? ??

Yii3 ?????? Composer? ???? ?????. ????? ???.json ??? ???? ??? ?? ???? ?????.

{
  "require": {
    "yiisoft/yii-core": "^3.0@dev"
  }
}

?? ?? ????? ??? ??? ???? Yii3 ?????? ?????.

2. Create Application

yii3? ?? ??(??)? ???? ????? ?? ??? ???? Yii3 ??????? ??? ??? ? ????.

./vendor/bin/yii app/init

??? ?? ??? ?? ?????? ??? ????? ???? ?????. ????? ??? ??? ???? ?? Yii3 ?????? ????? ????. Yii3 ?????? ???? ??? ??? ????:

app/
    assets/
    commands/
    config/
    controllers/
    runtime/
    test/
    views/
    web/
    Application.php
    app.json
    yii
vendor/
    yiisoft/
htdocs/
    index.php

? ? app/ ?????? ??????? ?? ??? ?? ??? ???? ??, Vendor/ ?????? Yii3 ?????? ?? ?????? ???? ???, htdocs/ ?????? ? ??????? ?? ??? ?? ??.

3. ???? ? ?? ???

Yii3?? ???? ???? yiiwebController ????? ?????. ??? ???? ?? ???? ???? ?? ???? ??? ? ????. ?:

namespace appcontrollers;

use yiiwebController;

class SiteController extends Controller
{
    public function actionIndex()
    {
        return $this->render('index');
    }

    public function actionAbout()
    {
        return $this->render('about', [
            'message' => 'This is the About page.',
        ]);
    }
}

? ??? actionIndex() ? actionAbout()??? ? ?? ?? ???? ??? SiteController ???? ?????. ??? ???? ? ??? ??? ?????.

4. Creating Views

Yii3??? ? ??? ????? ???? ??? ????? ?? ???? ?? ???? ? ????. ?:

namespace appcontrollers;

use yiiwebController;

class SiteController extends Controller
{
    public function actionIndex()
    {
        return $this->render('index');
    }

    public function actionAbout()
    {
        return $this->render('about', [
            'message' => 'This is the About page.',
        ]);
    }
}

??? views/site/index.php ?? ??? ??? ???? ??????.

5. ??? ??

Yii3 ?????? ???? ?? URL? ?? ????/?? ??? ?? ?? ??? ??? ? ????. ????? Yii3? ??? ??? app/config/routes.php ??? ????. ?:

return [
    '/' => 'site/index',
    '/about' => 'site/about',
];

? ??? ? ?? ??? ??? ?????. ??? / ? /about? ?? SiteController ???? Index() ? About() ???? ?????.

6. Yii3 ?????? ??

? ??????? ???? ?? ???? ?? ??(?: index.php)? ????? ? ??? ???? ???. ? ??????? ? ??? ???? ?? ??? ? ??? ???? ?? ????? Yii3 ??????? ??? ? ????. ????? ?? ??? ??? ? ????:

./vendor/bin/yii serve/start

??? ?? ? ??? ???? Yii3 ?? ????? ?????. ?? ?? ?????? http://localhost:8080? ???? ??????? ? ? ????.

??

?? Yii3 ?????? ???? PHP ??????? ???? ?? ?? ?????. Yii3 ?????? ????? ???? ???? ? ??????? ??? ? ?? ??? ??? ?????. Yii3 ?????? ???? ???? ???? ??? ?? ??? ??????? ?? ?? ? ????. Yii3 ?????? ?? ? ??? ?? ??? ?? ??? ???? ?? ????. ?? ?? ? ?? ??? ??? ?? ? ????.

? ??? PHP?? Yii3 ?????? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!