May 8, 2013

Categories

Yii

SALT implementation in YII

A salt is a random data string that is used as an input to hash a password. The salt and the password are concatenated and encrypted with a cryptographic hash function and the output is then stored in the database. This method can protect the passwords even when the database […]

June 18, 2011

Categories

jQuery
Yii

Enable In-place Editing in Yii Grid

Today someone asked me for help to integrate Jeditable with Yii CGridView. So I thought why not write a little tutorial that can help others as well. In this article I assume that you are comfortable working with Yii; you are able to create Yii web applications and use Gii […]

June 8, 2011

Categories

Yii

How to create custom validation rule

In the scenarios where validation rules provided by the Yii framework won’t handle your requirements, you can create custom validation rules. One example is the "authenticate" validation rule provided in "LoginForm" model of Yii blog demo. You can create your own by following these steps.

April 26, 2011

Categories

Yii

Yii’s default validator Aliases

Below is the complete list of predefined validator aliases: boolean: alias of CBooleanValidator, ensuring the attribute has a value that is either CBooleanValidator::trueValue or CBooleanValidator::falseValue. captcha: alias of CCaptchaValidator, ensuring the attribute is equal to the verification code displayed in a CAPTCHA. compare: alias of CCompareValidator, ensuring the attribute is […]

April 12, 2011

Categories

Yii

Specifying nested relations for eager loading

Eager loading can be nested. For example, if for every comment, we also want to know its author, we could use the following ‘with’ find: // find all posts together with their author and the author's profile Post::model()->with('author','author.profile')->findAll();

April 12, 2011

Categories

Yii

Replace text box with drop down list in filter of CGridView

By default, Yii displays a textbox to search (filter) within results/records displayed by CGridView. In order to change those textboxes to drop down list (combo boxes), all you need to do is to assign an array to "filter" property of grid column. Have a look at the code below to […]

April 9, 2011

Categories

Yii

Add conditions in search for relational tables

Let’s discuss example relationship given on following URL http://www.yiiframework.com/doc/guide/1.1/en/database.arr If you want to be able to filter results in grid using Posts’ author name then modify the search function of Post model to similar to the one given below.

April 6, 2011

Categories

Yii

Change CGridView CSS file for entire application

To use your custom css file globally, set the cssfile property in config file 'components'=>array( 'widgetFactory'=>array( 'widgets' => array ( 'cssFile' => '/css/style-gridview.css', ) ), );

April 3, 2011

Categories

Yii

Accessing modules method in Yii

Yii::app()->getModule('user')->encrypting($this->password) or Yii::app()->controller->module->encrypting($this->password)

April 3, 2011

Categories

Yii

Check for Ajax’ed request in Yii

if( Yii::app()->request->isAjaxRequest) { // do some thing…. }

April 3, 2011

Categories

Yii

Session Handling in Yii

Yii::app()->session->add(‘product’, $productId); Yii::app()->session->get(‘product’); Yii::app()->session->remove(‘product’);

April 3, 2011

Categories

Yii

Send & retrieve cookies in Yii

To retrieve a cookie with the specified name: $cookie=Yii::app()->request->cookies[$name]; $value=$cookie->value; To send a cookie: $cookie=new CHttpCookie($name,$value); Yii::app()->request->cookies[$name]=$cookie;

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