Wiki articles in category Tips

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

Start studying the MVC pattern. You will understand the roles of the model, the view and the controller and know where goes each part of the code.

When I used CJuiTabs I did something. They are

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...

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.

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 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.

You usually take a model instance passed into your view to provide data to a CGridView in this way:

find doubletts by db fields. in this example i will check doublets for 3 tabelfields (col1,col2,col3). so i will get a subquery with the condition, select and grouping of the tablefields. the having with COUNT() > 1 means: find all records more then one result.

$model=new MyModel('search');
$model->unsetAttributes();

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

I saw many posts that community newbie is confuse in image/photo upload with random name. so I post this topic covering all useful things regarding to image/photo upload(not covering image attribute related functionality)

A little hint of how to create a progress bar inside the column of the grid, using the 'bootstrap' extension.

This artical is related to allow user to filter CGridView with date range using datepicker on submit button. Here I use Yii Cookie to preserve date in datepicker textbox after submitting the form.

Say, you want to write a test for a component which provides a caching feature. How would you know, that some method of your component returns a cached result? With the solution described here you can inspect all log outputs. So you could search the logs for accesses to the DB to really make sure, that the result was served from cache.

hi, Here i am giving you some simple step to import huge data from a csv file to your mysql table.this is useful when you have a very huge data to import from csv format.

This method allows to log InnoDB monitor output when deadlock error occured. This way we will have much more useful data to find and fix deadlock.

When we use multiple radio buttons with same name in Yii many people have the problem on getting the value of the selected radiobutton. The radioButtonList can be used for that, but if we need to use radioButton itself to place the button any where in a view, we need to include one more parameter in htmloption array().

Rights is one of user interface for Yii's Role Base Access Control extension. It is one of most downloaded extensions in Yii's Web.