Wiki articles in category How-tos

Sometimes the right place to store application data is in a join table. For example, movie viewers either like or don’t like the movies they watched.

If you develop rather complex applications with Yii2, you might already be familiar with yii2-app-advanced application template. Well, the template is awesome and provides high flexibility regarding code/configuration sharing among parts of an application.

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...

This is a bried guide about displaying of custom sql query results.

In this mini howto I would like to show how to add a required captcha field in the login form, after a defined number of unsuccessfull attempts. To do this, I will use the blog demo that you have in default Yii download package (path/to/yii/demos/blog).

In this WIKI you can learn how to create front and admin login form, using database.

Yii comes with a set of powerful classes for logging. If you have read the documentation about logging messages, you have noticed that we can actually decide which messages we wish to log. And this is exactly what we are going to do, using [CWebLogRoute](http://www.yiiframework.com/doc/api/1.1/CWebLog...

Yii's by-default directory organization works well enough, but there are several steps one can take that improve the security and serviceability of the system, especially in the context of multiple Yii projects on the same machine (including multiple versions of the same project).

Delploying anything using joomla's framework is quite difficult. The framework don't provide a good MVC structure and the documentation is very poor.

>Info: As KCFinder's documentation mentions, if your application (Yii in our case) session handling is using the PHP environment configuration - meaning no change in session handling at all, then no change is needed also on KCFinder side to be able to use this session and thus have this simple interface between your Yii webapp and KCFinder. If t...

Relational databases do not support inheritance so if we need to represent it, we have to somehow store meta info while keeping performance by minimizing JOINs. One way to solve this problem is using single table inheritance. All fields for the whole class tree are stored in a single table. Class name is stored in the type field...

This article tries to explain the steps required in integrating the HybridAuth into Yii directly, without using an extension.

For a long time I have struggled to find a suitable tool for doing server tasks such as compiling LESS files, concatenating and minifying of JavaScript files and copying the minified JavaScript files. While most of these tasks can be done with Yii extensions I would still not recommend using them because it requires you to include these extensions in your project, and therefore also deploying them...

• Este artigo está disponível também em português do Brasil.

There is a few cases that you want more of one CActiveDataProvider displayed in one CGrideView How to do that?

First of all, You must change component config to enable the default Yii CSRF validation.

This is a reference to be used for Model rule validation and is compiled from the Yii documentation and code. The purpose is to have all the information gathered in one place instead of scattered. This reference is not an intro. See The Definitive Guide to Yii, Declaring Validation Rules for a tutorial.

In this article you'll learn how to send additional form data when uploading files using XUpload widget

We all know that widgets are really useful. We can use the almost everywhere we want, and we can use the same code a lot of times ( Almost OOP ).

CGridView and CListView are great widget to populate records and also provides features like ajax update, column sort, search, drop-down filter, ajax content load and many more...