In this cookbook I will attempt to explain how to use the lightweight version of Role-Based Access Control using a php file. This version does not use database but a php file and is controlled by CPhpAuthManager class.
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)
CGridView is a one of most flexible widgets in Yii and example its flexibility is CButtonColumn used to build buttons for steering model in each grid row. Here in this how-to we will explain ways user can customize CButtonColumn to flexibly fit it to its needs.
There are several methods and techniques that come handy in the case you need to call an external resource periodically or if you are waiting for a server push, but I present here an easy and straightforward one using HTML5's Server-Sent Events (SSE).