Wiki articles in category Tips

As we know Using crud generator creates menu items in view files (for each view file have a varius menu items)

Hi all,

I have been working on a REST API using the excellent tools provided by Yii2. My problem was that I have to differentiate between empty values and null values. In other words, <elem></elem> is different from null as it represents an empty string. Also, although some use <elem/> to represent a null value it should still be interpreted as an empty string. In other cases, the absence of the eleme...

Almost all the information you need whilst working with yii is written in the Class Reference.

In this simple example I'll demonstrate how to extend CActiveForm class to overload some drawing functions to achieve some commonly used fixes in forms.

The colon

Here is overloaded version of CActiveForm.labelEx that adds colon (:) at the end of text of label with respecting CHtml::$afterRequiredLabel and CHtml::$beforeRequiredLabel

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

Hi I had made simple archive system for blog system that can handle tbl_post. I had used simple CDbCriteria not more than that. I know there is more and many better way to this but I think this will give some idea to users to generate new idea or customized or modified this version of code.

ChromePHP is a console logging extension for Google Chrome.

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...

The two most commonly-used base classes in most Yii applications are CController and CActiveRecord, each extended to your own particular models and controllers.

Facebook iframe app’s session is losing in Internet Explorer when doing a second redirection inside the facebook iframe app.The main reason is ,by default IE wont allow cookies in its priavacy settings If cookies not available means session is also not available for our Facebook iframe app in IE.

Yii's CArrayDataProvider is very helpful to display model relation data's directly on it.But it is truely a confusing one because by default it will assume a table field named “id” as primary key for its pagination purpose and what if you dont have field named “id” as primary key on your table? so its truely confusing and if you tried to display without an “id” field on ur table you will get an...

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.

You can find the english version of this wiki here: The complete beginner's study guide for the Yii Framework.

You may face a situation when you need to access to a configurable module's property from everywhere and you don't have an instance of this module's class.

In Yii1 I used to have my own components under the components folder of the structure, now with namespacing this is a little bit different.

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.

The tips here are for advanced usages of composer and its assumed you have read about using composer and have a knowledge of your vendor packages to be updated. Let's consider, you want to update only one specific yii2 vendor library, without updating all the other extension packages?

There are several ways to speedup slow unit tests which interact with database:

There are cases that you want to make an ajax request to another server and get the results.