Wiki articles in category Tips

Showing 1-20 of 158 items.

Provide SVG when the browser supports it, else PNG (using CHtml::image overload)

Created 4 years ago by le_top, updated 4 years ago by le_top.

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.

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1 follower
Viewed: 5 889 times
Version: 1.1
Category: Tips

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

Created 4 years ago by Deepak Pradhan, updated 4 years ago by Deepak Pradhan.

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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Viewed: 5 214 times
Version: 2.0
Category: Tips

Yii Rights Management Tips

Created 4 years ago by Rajith R, updated 4 years ago by Rajith R.

yii rights some tips..

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4 followers
Viewed: 9 031 times
Version: 1.1
Category: Tips

Search a file size range in CGridView

Created 5 years ago by CrazyCat, updated 5 years ago by CrazyCat.
  1. Create an Active Record Behavior that builds the criteria for the search() method and attach it to your model
  2. Modify the search() method of the model to merge the behavior's criteria in with the rest of the searchable attributes
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2 followers
Viewed: 8 871 times
Version: Unknown (update)
Category: Tips

Understanding series articles

Created 7 years ago by GOsha, updated 7 years ago by GOsha.

Here are all wiki articles from "Understanding" series by Yii wiki contributors:

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13 followers
Viewed: 10 920 times
Version: 1.1
Category: Tips

YII2 Pagination Options

Created 4 years ago by VivekYii, updated 4 years ago by VivekYii.

solution here If we are using default pagination option like

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1 follower
Viewed: 12 322 times
Version: 2.0
Category: Tips

Selecting best language based on Browser language and available languages.

Created 4 years ago by le_top, updated 4 years ago by le_top.

Your application is international and you have to select the best language for the user. Your user may have selected 'fr_CA' and you have 'fr_FR' or 'fr' available. What do you do? Here is a tip.

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Viewed: 9 411 times
Version: 1.1
Category: Tips

How to preload dropdowns in CForm

Created 5 years ago by transistor, updated 5 years ago by transistor.

So you want to use CForm (form builder), but need to preload dropdowns in a form? It's simpler than it seems.
You got your CFormModel, CForm and the actual Form, right?
Let's say you have the typical State -> City dependent dropdowns, so you would want to load the from with the State and City selected.

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2 followers
Viewed: 8 777 times
Version: Unknown (update)
Category: Tips

Things to Consider when application hosting on AppFog

Created 4 years ago by VINAY Kr. SHARMA, updated 4 years ago by VINAY Kr. SHARMA.

I faced many issues when hosted our company website on AppFog.

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1 follower
Viewed: 5 141 times
Version: 1.1
Category: Tips

Using PayPal IPN with Yii2

Created 4 years ago by darioo, updated 4 years ago by darioo.

I'm using PayPal's script from

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1 follower
Viewed: 8 515 times
Version: 2.0
Category: Tips

How to call a default layout for every module and how to work <php echo $content; ?>

Created 5 years ago by Ankit Modi, updated 5 years ago by Ankit Modi.

Hi Friends, Hi Friends, Some common question is difficult to how to create the layout on yii and how to work

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1 follower
Viewed: 32 625 times
Version: Unknown (update)
Category: Tips

Customize your Growl/Alert msg easy and quickly

Created 4 years ago by Scott_Huang, updated 4 years ago by Scott_Huang.

I leverage Kartik's notification widgets.

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2 followers
Viewed: 9 956 times
Version: 2.0
Category: Tips
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6 followers
Viewed: 22 167 times
Version: 1.1
Category: Tips

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

Created 4 years ago by Louis Gac, updated 4 years ago by Louis Gac.

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: 13 617 times
Version: 2.0
Category: Tips

Load & Save With Relation

Created 4 years ago by moo.tensai, updated 3 years ago by moo.tensai.

Use this extension : yii2-relation-trait

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2 followers
Viewed: 11 648 times
Version: 2.0
Category: Tips

Yii2: Query build for complexity SQL

Created 3 years ago by Scott_Huang, updated 3 years ago by Scott_Huang.

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: 11 719 times
Version: 2.0
Category: Tips

Multi Data Provider

Created 5 years ago by Sharon Lavie, updated 3 years ago by Sharon Lavie.

Lately, i needed to deal with the following scenario: read from two databases (db1,db2), and write to a third database (db3).

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4 followers
Viewed: 12 201 times
Version: 1.1
Category: Tips

Set a menu - reusable code

Created 5 years ago by Kostas Apazidis (KonApaz), updated 5 years ago by Kostas Apazidis (KonApaz).

As we know Using crud generator creates menu items in view files (for each view file have a varius menu items)

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3 followers
Viewed: 8 658 times
Version: Unknown (update)
Category: Tips

Yiistrap TbHtml::navbarSearchForm

Created 5 years ago by Patrice, updated 5 years ago by CeBe.

Hi all,

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3 followers
Viewed: 12 071 times
Version: 1.1
Category: Tips

REST API and null values in XML

Created 2 years ago by marko60, updated 2 years ago by marko60.

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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Viewed: 12 614 times
Version: 2.0
Category: Tips
Tags: null, REST, XML