Redirect http to https in Yii2 .htaccess

The easiest way might be setting the on beforeRequest event handler in /config/web.php like so:

...
'bootstrap' => ['log'],
'on beforeRequest' => function ($event) {
    if(!Yii::$app->request->isSecureConnection){
        $url = Yii::$app->request->getAbsoluteUrl();
        $url = str_replace('http:', 'https:', $url);
        Yii::$app->getResponse()->redirect($url);
        Yii::$app->end();
    }
},
...

You root/frontend/web/.htaccess should be like this:

RewriteEngine on
RewriteBase /frontend/web/

RewriteCond %{HTTPS} off
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,NE,R=301]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^ index.php [L]

Just remember that a sub-directory .htaccess always takes precedence over parent directory .htaccess.

Tags:

Php

Apache

Regex

.Htaccess

Mod Rewrite

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