Wiki articles in category How-tos

This article is for those who have dealt with the complexity of Elasticsearch or any other indexing machines and are looking for an easier way to index the existing database without additional effort.

For one of my projects I needed an interactive console command in Yii 1, i.e. the one that is gathering all information from user in an interactive mode (a serie of questions and answers displayed directly in the console), ignoring command-line arguments at all.

The export to excel function will affected by the final resorted columns in case you use my export grid to excel extends hzlexportgrid too, Since that export extention just depends on the grid columns configs, and that columns been customized by user themselves just now.

We can easily have a multilingual site if we put a "lang" parameter that comes via GET. For example:

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

This behavior enable you to command the RBAC via console. This avoids you to install a entire rbac graphic toolkit to set up some rules in the rbac, maybe you are running inside a ssh console.

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.

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

Finding good looking, working and not abandoned gallery manager for Yii 1.x application is a tough task. Out of all I found, only yii-gallery-manager extension looked promising. But, after downloading it, it turned out, that there are certain unusual things to do, to include it in your application. So, I decided to write this article...

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

MailGun.php Class

Sometimes we need to create our custom exception and show it to the end user through a friendly way . In this article, I'm showing how to do it using CJuidialog.

The number of languages supported by the standard CJuiDatePicker implementation is limited and the language code to use is different from the application's language code. This Wiki shows how to improve on that.

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

In this wiki I will show how could wo pass the third parameter to UserIdentity on login authenticate. So we can do separate login authentcation from two or more different models from single login form.

Clearing CGridView filters and sort orders from the web pages, is usefull for the end user. Yii does not seem to propose a standard method. Furthermore, this is especially usefull when filters are "remembered" in the user's session.

The problem is not new: after setting some filters in a grid (typically in admin view), and gone to another page, returning in the grid's page I would like to find the filters with previous setting mantained.

When using themes you want to changes some of the translations specifically to the theme while keeping the standard translations for most of the text. Duplicating the main translation file is a headache for maintainance. This how to provides a solution.

To secure your database from inconsistencies resulting from failing (complex) operations, you (should) use transactions. However, complex methods often rely on other complex methods that themselves build on transactions. This HowTo presents a method to nest or embed transactions without relying on the database's nesting capabilities.

I have two tables called hospitals and departments. I have a junction table between them which holds the departments in each hospital. But sometimes I need a list of "All hospitals with All possible departments" - regardless of whether they are linked in the junction table or not.