Wiki articles in category How-tos

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.

It can happen that you work in development environment and you make changes to database tables structures, adding tables, or changing fields.

All done, now we can call all the actionProvider actions as controllerID/actionPrefix.actionID. Here is the example:

I've gotten Yii running cron jobs, and wanted to explain briefly how I did it.

Original source code and idea are from: PHP, PDO & Nested Transactions.

The Google mapping extension by Dos Amigos (link) is really great but there are difficulties with Google maps when you want to manipulate your map object with Ajax.

It's easy to execute migration locally on XAMPP using cmd, but on server where you script is it's little bit harder.

Then, we write this in the config > main.php:

I am going to show you an effective way to validate the uniqueness of multiple columns.

There are numerous usability problems:

Your need: You require that for shared machines, the user is authenticated again for a backend access again, if someone is logged in from frontend and vice versa.

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.

I was playing around with another PHP framework which I didn't really liked anyway but it had simple and nice integration for PHP built in web server so I decided to write one for Yii (since this is my primary PHP framework)

This is how i do before query on Yii 2.0

This wiki is to show you how to use jQuery get and JSON to get data from a dropdown/any form field and fill form fields with the values instantaneously. First, I'll give example use cases of what I'm going to teach you so you can quickly see if this is for you.

CJuiDatePicker displays a datepicker. CJuiDatePicker encapsulates the JUI datepicker plugin.

I am writing this guide because I struggled to find a resource that included ALL of the necessary steps to completely separate the frontend from the backend. After reading guides like Configuring different sessions for backend and frontend in yii-advanced-app and [yii2 configuring d...

We probably have all used a virtual attribute (model function) to retrieve complex or related data for a CGridView column:

In this article I will show you how to slightly increase application security, by exploiting the fact that Yii implements the Front Controller Pattern.

When one needs to select a record in a table that do not have related records through a relation, it is generally suggested to use a subquery. Personnaly, I prefer a high level approach, and I have a method to do it with scopes.