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Extending common classes to allow better customization

Created 4 years ago by Steve FriedlTips0 comments – viewed 26,215 times – ( +44 ) – version 1.1
The two most commonly-used base classes in most Yii applications are CController and CActiveRecord, each extended to your own particular models and controllers.

Single table inheritance

Created 4 years ago by samdarkHow-tos8 comments – viewed 28,898 times – ( +41 ) – version 1.1
Relational databases do not support inheritance so if we need to represent it, we have to somehow store meta info while keeping performance by minimizing JOINs. One way to solve this problem is using single table inheritance. All fields for the whole class tree are stored in a single table. Class name is stored in the type field of the same table.

Nested inline active fields inside Bootstrap horizontal forms

Created about a year ago by Kartik VHow-tos2 comments – viewed 20,435 times – ( +41 ) – version 2.0
Are you using the Bootstrap 3 form styles with Yii 2 Active Forms? Have you faced problems in displaying complex layouts which needs you to display multiple inline form fields in a single row, within bootstrap horizontal forms. Then read on.

Understanding the view rendering flow

Created 4 years ago by dckurushinFAQs16 comments – viewed 167,376 times – ( +95 / -3 ) – version 1.1
There is a lot of confusion surrounding what is happening behind the scenes when you render a view.

Javascript and AJAX with Yii

Created 3 years ago by Fran├žois GannazHow-tos3 comments – viewed 118,985 times – ( +40 ) – version 1.1
This page intends to provide an exhaustive guide of how to use Javascript (JS) in Yii. It does not explain how to learn coding in JS, but how to deal with it "the Yii way".
tags: javascript, AJAX

Relational data fields display and edit with the yii2-detail-view extension

Created about a year ago by Kartik VTutorials2 comments – viewed 18,808 times – ( +39 ) – version 2.0
If you have read this wiki you would be aware of the yii2-detail-view extension and how it offers you an easy way to EDIT and VIEW your model data, toggle these modes, and other features. You can read the extension documentation and/or view a demo of this extension, to understand usage.

Multi level dropdown menu in Bootstrap

Created about a year ago by sefburhanTutorials1 comment – viewed 15,694 times – ( +38 ) – version 1.1
To get multi level dropdown menu of using boostrap extension ( widget TbNavbar just follow steps

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

Created about a year ago by Kartik VHow-tos10 comments – viewed 44,313 times – ( +38 ) – 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.

Uploading multiple images with CMultiFileUpload

Created 4 years ago by rsinghHow-tos16 comments – viewed 90,722 times – ( +38 ) – version 1.1
"The documentation for CMultiFileUpload isn't clear!"

Model validation for field ranges using yii2-field-range extension

Created about a year ago by Kartik VTips0 comments – viewed 7,638 times – ( +37 ) – version 2.0
The yii2-field-range extension enables you to easily setup ActiveField range fields with Bootstrap styling. You basically can setup two attributes joined together like a single field with combined validation error block.