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Use CGridview to sort and filter CSqlDataProvider - when used with UNRELATED tables (or complex queries)

Updated about a year ago by Gerhard LiebenbergHow-tos6 comments – viewed 13,514 times – version 1.1
I have two tables called hospitals and departments. I have a junction table between them which holds the departments in each hospital. But sometimes I need a list of "All hospitals with All possible departments" - regardless of whether they are linked in the junction table or not.

Step by step for how to full export Yii2 grid to excel

Updated about a year ago by Scott_HuangTips3 comments – viewed 25,577 times – version 2.0
We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview:

Add model validator in Controller

Updated about a year ago by Kostas Apazidis (KonApaz)Tips4 comments – viewed 12,521 times – ( +1 / -1 ) – version 1.1
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

Yii configuration: Dynamic & User dependent

Updated about a year ago by le_topHow-tos0 comments – viewed 4,352 times – ( +1 ) – version 1.1
It is difficult to perform user dependent theming through a general configuration in 'main.php'. This article proposes a method to do so through a Factory that dynamically generates classes to allow delayed resolution of actual user values. This means that you can refer to values that are stored in the database through the CActiveRecord before Yii is actually loaded. The values will be fetched from the database when actually used for the first time, which is after Yii is loaded. Actually, you can use pretty much any method that relies on Yii with this method.

Simple Way to Upload and Save File

Updated about a year ago by Misbahul D MunirTutorials0 comments – viewed 13,647 times – ( -2 ) – version 2.0
This tutorial need extension mdmsoft/yii2-upload-file. Follow the intruction to install. After installation done, create controller and action

Save and Display Date/Time Fields in different formats in Yii2

Updated about a year ago by Kartik VHow-tos12 comments – viewed 70,231 times – ( +39 ) – version 2.0
You would find having such a need in most Yii Projects. Your database needs a specific format to store date fields, while you may want to display it in different formats to the users on forms and other views.

Yii 2.0: Write & use a custom Component in Yii2.0 (Advanced Template)

Updated about a year ago by Deepak PradhanHow-tos1 comment – viewed 15,653 times – version 2.0
This is an extension to Yii 2.0: Write & use a custom Component in Yii2.0 for Advanced Template

Create Form With DynamicModel

Updated about a year ago by Misbahul D MunirTips4 comments – viewed 8,836 times – ( +1 ) – version 2.0
In yii2 we can create form without create FormModel. Here we go
tags: form, yii2, model

Upload CSV File

Updated about a year ago by bhavesh vaghelaTutorials2 comments – viewed 14,584 times – ( +8 ) – version 1.1
View file

Getting to Understand Hierarchical RBAC Scheme

Updated about a year ago by rAWTAZTutorials15 comments – viewed 92,544 times – ( +62 ) – version 1.1
Authentication and Authorization is a good tutorial. Among other topics, it describes basic aspects of Yii's RBAC implementation. But however hard I read the tutorial, I couldn't understand how exactly the hierarchy works. I found how to define authorization hierarchy, how business rules are evaluated, how to configure authManager, but almost nothing about how I should build my hierarchy, in what sequence its nodes are checked, when the checking process stops and what would be the checking result.