To secure your database from inconsistencies resulting from failing (complex) operations, you (should) use transactions. However, complex methods often rely on other complex methods that themselves build on transactions. This HowTo presents a method to nest or embed transactions without relying on the database's nesting capabilities.

Here is a example on how to use Pjax with GridView (yii\grid\GridView) and ActiveForm (yii\widgets\ActiveForm) widgets in Yii2.

This is as an extension of this wiki by Kartik V which shows to make different enableAutoLogin cookies for frontend and backend.

I have two tables called hospitals and departments. I have a junction table between them which holds the departments in each hospital. But sometimes I need a list of "All hospitals with All possible departments" - regardless of whether they are linked in the junction table or not.

This is an extension to Yii 2.0: Write & use a custom Component in Yii2.0 for Advanced Template

It is difficult to perform user dependent theming through a general configuration in 'main.php'. This article proposes a method to do so through a Factory that dynamically generates classes to allow delayed resolution of actual user values. This means that you can refer to values that are stored in the database through the CActiveRecord before Yii is actually loaded. The values will be fetched...

There is an issue on Yii2 to redirecting / urls to /frontend/web.
In other words we need a way to hidden /frontend/web from addresses.
We will do this without changing Apache configuration and creating virtual host or setting document root (It's good for share hostings that we have not access to apache.conf)

Here's a possible implementation for MongoDb of the RBAC standard. Create a class "MongoDbManager" in `common\components and modify your params.php` file like this:

This Behaviour helps to view time/date/timestamp/datetime from db to local Date / Time / Date Time format and in local Timezone. And save into db in with db timezone and db format. You only need to include this behaviour in models where need this facility.

Stores session data in database and transfer data when session is destroy. Uses for check users online, user's last activity and last ip.

You have that, when a product is on development they can change its API anytime. This change is quite important though, its related on how to set the events of your form, for example, the useful beforeSubmit.

This is a simple example in Yii2.0 to understand how you can write a custom component and use it inside your app.(basic template)

In this wiki I will show how could logout from all other sessions or all other places.

Assalamualaikum wr.wb Hello yii people i'm Muhammad Fahmi Azain this is tutorial about forgot password in yii framework, and i'm sorry if it does not comply with code standards yii. okay let's begin

Implementing a role based access control is a very easy process and you can even load your roles from the database if you want.

In this wiki I will show how could be store last login date & time in database. First we need a field LastLoginTime (Type must be datetime). this field store a user login detalis (like - Date & Time).

When talking about cookie-base login the Yii guide indicates the following:

In this wiki I will show how could use a Captcha in yii CForm. The easy way to show captcha image is create a form using CHtml method & CActiveForm, but CForm also should be able to show a captcha.

Hi Friends, In this tutorial you can use the eajaxupload-extension ,

Hi Friends, In this tutorial, how to update the sum of all the button data-price value using jquery, Just Follow three step and it's work easily.I hope It may be some helpful to others.