Wiki articles in category How-tos

OpenGraph and Twitter Cards are two metadata sets that allow to describe web pages and make it more understandable for Facebook and Twitter respectively.

Like gmail, if you have tree or more unsuccessful login attemps a captcha appears

There is a few cases that you want more of one CActiveDataProvider displayed in one CGrideView How to do that?

typical scenario: invoice, invoice items.

If you started playing with Yii2's new GridView, you will soon realize that some things have improved quite a lot, but I am sure its going to be a bit confusing at first glance when you try to modify certain javascript behaviors like for example, its delete confirmation dialog box.

I have read http://www.yiiframework.com/wiki/24/creating-a-dependent-dropdown/ (Dependen Dropdown Yii1), but I can't implement it in Yii2 because Yii2 does not have built-in AJAX functionality hem.. I searched about it and came across this post

• Este artigo está disponível também em português do Brasil.

In this wiki I explain how to show a default popup dialogbox (like Gii does) using an existing module.

Consider the following use case:

In this wiki, I try to implement a simple authorization schema without putting much logic inside a file or into database table. We are constructing authorization hierarchy inside the controller. We are getting roles for the current user from database table and assigning only roles to user that are declared in the particular controller. We have brought down the work of loading of auth data at ma...

This is a reference about model validators and user roles. In many cases we want model validators to applied only for some privileged users or not

CGridView and CListView are great widget to populate records and also provides features like ajax update, column sort, search, drop-down filter, ajax content load and many more...

I assume you are familiar with accessControl standard filter. It allows you to separate privileges to run some action from action code itself. There is however one problem with most common usage - you cannot use bizRules, at least based on some parameters passed to 'checkAccess' just because it is hard to pass them in accessRules() result.

If you want to edit data directly in the gridview in a 'dropdownlist' style, then you could use the 'type' => 'select' option of TbEditableColumn (YiiBooster) or EditableColumn (x-editable for Yii). This wiki shows how to get data from the db for the 'dropdownlist', by converting AR model data into an array that is passed in json format.

Yii have a CJuiProgressBar, but it is static. If we want a dynamic progress bar to show the percentage or status, we have to do more things. I make it successfully and am glad to share it with you.

Here's a tutorial on how to create a CGridView with external date filters the trick is to create hidden columns within the CGridView Filters something like in the example below:

In application development we often have to choose how to mange recurrent values.

This is a bried guide about displaying of custom sql query results.

Hey guys, today we will show you how to make a Yii CJuitabs as example. Some feature cases such as Static tabs, render partial tabs, Ajax tabs, color tabs... You can see our code, there are simple 3 steps to make it work.

I've read many comments that it's not possible to install Yii 2 advanced on a shared hosting environment, as it has two webroots. This is partially true.