Wiki articles in category Tips

Showing 21-32 of 32 items.
Created 4 years ago by Kartik V, updated 4 years ago by Kartik V.

Install specific Yii2 vendor extension & dependency without updating other packages.

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?

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39 followers
Viewed: 24 822 times
Version: 2.0
Category: Tips
Created 4 years ago by Deepak Pradhan, updated 4 years ago by Deepak Pradhan.

Analyse the server's USER-AGENT against browsecap file to determine it's capability.

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

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0 follower
Viewed: 4 691 times
Version: 2.0
Category: Tips
Created 3 years ago by darioo, updated 3 years ago by darioo.

Using PayPal IPN with Yii2

I'm using PayPal's script from

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1 follower
Viewed: 7 873 times
Version: 2.0
Category: Tips
Created 3 years ago by Scott_Huang, updated 3 years ago by Scott_Huang.

Customize your Growl/Alert msg easy and quickly

I leverage Kartik's notification widgets.

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2 followers
Viewed: 8 942 times
Version: 2.0
Category: Tips
Created 3 years ago by Louis Gac, updated 3 years ago by Louis Gac.

Building a search GET request with scenarios ; calling a SearchModel from URLs...

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.

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2 followers
Viewed: 12 336 times
Version: 2.0
Category: Tips
Created 3 years ago by Scott_Huang, updated 3 years ago by Scott_Huang.

Yii2: Query build for complexity SQL

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

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3 followers
Viewed: 10 794 times
Version: 2.0
Category: Tips
Created 2 years ago by Alexandre Rodichevski, updated 2 years ago by Alexandre Rodichevski.

A universal model attribute for its synthetic representation

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.

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3 followers
Viewed: 6 505 times
Version: 2.0
Category: Tips
Created 2 years ago by marko60, updated 2 years ago by marko60.

REST API and null values in XML

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...

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0 follower
Viewed: 11 206 times
Version: 2.0
Category: Tips
Tags: null, REST, XML
Created 4 years ago by Kartik V, updated 4 years ago by Kartik V.

Locking your Yii 2 project package versions with composer.lock

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.

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37 followers
Viewed: 8 569 times
Version: 2.0
Category: Tips
Created 4 years ago by Kartik V, updated 4 years ago by Kartik V.

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

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.

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37 followers
Viewed: 18 039 times
Version: 2.0
Category: Tips
Created 2 months ago by Daniel.

Update and Delete buttons on Breadcrumb

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.

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1 follower
Viewed: 3 591 times
Version: 2.0
Category: Tips
Created 4 years ago by Scott_Huang, updated 4 years ago by Scott_Huang.

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

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

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5 followers
Viewed: 50 024 times
Version: 2.0
Category: Tips