Does your application need to know user's details on browser details, os and device type? We can use PHP's misc. function to achieve that provided you have an update copy of browsercap.ini

I have a calls which help me display json directly in html table.

I'm using PayPal's script from

I leverage Kartik's notification widgets.

Search Models are a very elegant and powerful way to build an Active Data Provider. If you use them a lot, you'll quickly need to use scenarios, which will lead you to a very DRY Controller code.

As for complexity SQL query we have two solutions as below, I will discuss #2 in this article.

It is convenient to use the same identification attribute, say info, in all of the active records of your application. It should be a virtual read-only attribute defined by a getter method, its label being the model name.

I have been working on a REST API using the excellent tools provided by Yii2. My problem was that I have to differentiate between empty values and null values. In other words, <elem></elem> is different from null as it represents an empty string. Also, although some use <elem/> to represent a null value it should still be interpreted as an empty string. In other cases, the absence of the eleme...

Ok, you have installed a Yii 2 basic or advanced app for the first time and completed the post install steps. You have picked up a few extensions to install for the first time as well. You would already see a composer.lock file in your application root folder.

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.

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?

In India have Aadhar number an we may need to valid it a input. So I created a validator for yii2

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).

solution here If we are using default pagination option like

Use this extension : yii2-relation-trait

You have different collections in MongoDb with de-normalized attributes. As you may know, due to its not-join nature, MongoDb tends to encourage repetition of the same value in different collections (de-normalization). In this MongoDb is opposed to a more SQL-like approach where you usually reference only the ID of the value with a foreign key.

Sometimes the App needs a nicer look & feel, so its necessary to organize the assets for this and Yii can help a lot to make it easy. In this article I provide tips for handling multiple "Designs". I use these three features:

The definition of breadcrumbs according to its documentation is as follow: Breadcrumbs displays a list of links indicating the position of the current page in the whole site hierarchy.

We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview:

First of all, install yii2 basic template according below link: