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This example uses a MySQL DB with a table named tree with the fields id, name, and parent_id. The parent_id will be NULL for root elements. The SQL is kept simple (no autoinc, no FK, etc).

In a Web application, we often need to display pages like "about this site", "legal information", whose content are mostly static. There are several approaches to deal with this kind of pages.

The purpose of this post is to let anyone quickly find how to accomplish a configuration task, and list here all the posibilities of the config.php file and also link to pages that explain how is each thing implemented.

I would like to provide you a quick tip on how to implement user level access to your Yii applications.

With yii you're able to create ajax requests and updates easily. But most times you always want to show a loading indicatior to your user.

This is the first real problem that I encountered using Yii, trying to make a Model input repeatable in the form, validate and save them.

Todos los que hemos empezado a utilizar Yii para crear aplicaciones Web, nos hemos dado de bruces cuando hemos intentado poner a funcionar el RBAC (acceso de control basado en roles).

This wiki describes a more complex workflow using the XUpload widget

In this article, we introduce a set of CSS naming conventions that we have applied in several big projects and achieved success. The goal of these naming conventions is to eliminate the possibility of naming conflicts, facilitate debugging and maintenance, and to simplify the naming process.

For a complete sample Nginx+PHP-FPM config, view this how-to: Nginx & PHP-FPM