Wiki articles in category Tips

Your application is international and you have to select the best language for the user. Your user may have selected 'fr_CA' and you have 'fr_FR' or 'fr' available. What do you do? Here is a tip.

hello,

 This article is helpful only if you have the following situation:
 A web app which uses facebook login to login its users and if a user is logged out from his/her facebook account through another browser tab, then your app dont know that he is logged out  out or not from his facebook account and he/she will remain as logged in your web application.Its ok if you have no problem wi...

Hi Friends,

I leverage Kartik's notification widgets.

Ok, you have installed a Yii 2 basic or advanced app for the first time and completed the post install steps. You have picked up a few extensions to install for the first time as well. You would already see a composer.lock file in your application root folder.

Many people want to use downloaded extensions in their own way. As for me most of the extensions require me to correct Yii::import() instructions inside their source code. All these extensions are directory dependent. To avoid the situation described above, I suggest to implement pseudo-anonymous aliases:

// take the curr...

Efficient coding with Yii implies efficient use of the code generator. This article shares the personalised Gii templates that were built starting from the standard templates proposed by AweGen.

I recently worked on updating the content of a gridview based on the selection of a dropdown menu. I thought I should share it in the forum...

当我们使用Yii数据库去保存Session时，只要简单的配置就可以完成这个功能，在进行性能优化这个主题之前，我们先来查看一下CHttpSession和CDBHttpSession源代码，探讨CHttpSession和CDBHttpSession的流程再进行深一步优化主题。

If you're working a lot with extensions you often stumble upon problems, when you want to include them into your custom web application, like hardcoded or absolute path aliases or classes extended from core application components, which implement addiditonal features.

In many cases developers of one project use their own local environments for coding. There may be a common test platform and, of course, production. All these environments usually have different DB credentials and directory structures (first of all, path to YII framework directory). Another feature is debugging. It's convenient to turn it on for local environments, eventually - on the test s...

You have different collections in MongoDb with de-normalized attributes. As you may know, due to its not-join nature, MongoDb tends to encourage repetition of the same value in different collections (de-normalization). In this MongoDb is opposed to a more SQL-like approach where you usually reference only the ID of the value with a foreign key.

Use this extension : yii2-relation-trait

When using CListView to display multiple views next to each other, we can use the $index variable inside the viewFile to achieve this. As far as i know there is no extension or out-of-the-box functionality for this, so we need to apply a little hack:

En ciertas ocasiones tenemos que lidiar con el tema de colocar una lista de checkboxes para hacer una seleccion especifica como es el caso de los dias de la semana para un calendario, para esta labor tenemos el comando CHtml::checkBoxList(), revisando un poco el funcionamiento de este temos los siguientes parametros:

If you are hosting Yii behind a reverse proxy, for example nginx, and you are having issues with your logs showing the proxies IP, or the urls being created arn't being created for SSL because your SSL certs are located on your reverse proxy instead of the Yii server, this code may be able to help you. I placed them in the very top of Yii's entry script, index.php

Using Rights generator component, we can easily create a dynamic menu, in which we scan every modules' controllers, to access the index page of them.

ChromePHP is a console logging extension for Google Chrome.

solution here If we are using default pagination option like

Lately, i needed to deal with the following scenario: read from two databases (db1,db2), and write to a third database (db3).