There are cases that model validators should be depended by controller/action and you couldn't manipulate on the model class or using scenarios in easy way
For those who feel, the Controller->accessRules() or RBAC (Role-Based Access Control) is too complicated or doesn't want the username(s) to be hard-coded in accessRules(), here is a very simple, easy-to-implement solution.
The tips here are for advanced usages of composer and its assumed you have read about using composer and have a knowledge of your vendor packages to be updated. Let's consider, you want to update only one specific yii2 vendor library, without updating all the other extension packages?
If you are coming over to Yii 2 from Yii 1.x, you may have already read this useful wiki for creating dependent dropdowns. You can use a similar approach in Yii 2 to do the same. But if you are looking at a prebuilt solution that helps you manage it easier, read along.
Ok, it is a little bit difficult to full understanding the unsafe validator.
Today i want to share with you is "How can we write HTML Code in view files? I am writing this article because many times we can not use CActiveForm to design our form...
Step 1: Initialize the Bootstrap Tooltip & Popover plugins in your view layout file
@web\views\layouts\main.php. Add this to somewhere in the beginning head section (after you have loaded the Jquery using your AppAsset or something similar).
The only differences in Yii 2 is that its much simpler due to available functions in the Model class for loading and validating models.
login links will be
Modern browsers support SVG, older browsers do not. This replacement for CHtml::image() allows you to handle to propose SVG in an efficient way with PNG as a fallback.
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.
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.
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.
I am going to show you an effective way to validate the uniqueness of multiple columns.