Wiki articles in category How-tos

Normally, after clicking the delete button in gridview, the record will be deleted and the page will refresh, but the page number in query string is lost. This is not always the case we expect.

An example of customizing the Yii GridView is mentioned here. You can easily override Bootstrap or other styling defaults by changing the GridView default options.

suppose to have in Mongo a collection "user" like:

Your need: You require that for shared machines, the user is authenticated again for a backend access again, if someone is logged in from frontend and vice versa.

I am still new to composer and packagist, so I want to share how I am creating the pdf files because for me was not as simple as it should be.

I could make this work following same useful tips from this post.

It is quite simple, but I am sure this small tutorial will help more than one of you out there :)

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.

I needed to use a class from ZF2 in my Yii project. I've read probably all there is about this subject and still I needed lots of trial & errors to get it working, probably due to my lack of experience working with namepsaces and ZF2 in general. Also, the resources on the web are all partial, at best. Most simply refer to ZF1 where things are technically different. When I got it all working I de...

This is as an extension of this wiki by Kartik V which shows to make different enableAutoLogin cookies for frontend and backend.

This is to show you how to use Yii2 flash messages with Kartik Growl (bootstrap notify wrapper).

The problem was that all my web applications ran normally on localhost, but on server the Greek characters (or any other no-english characters) displayed with problems.

Using a version control system, like Git, is nice. However, when building an extension from scratch and loading it via Composer, it adds a lot of pain in the butt steps. You have to commit your changes, update composer to pull them over, then notice there is an error, fix, commit, update. repeat.. I don't want all my baby steps under Git. Sure, I could edit my commit history, but c'mon. Just let m...

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This is for folks who are using \kartik\widgets\FileInput to upload files from your client. How do you display an image for update after you have uploaded it to the server using the widget?

One of my sites has been flooded with spam bots and as a result - Gmail gave my mailing domain a bad score and I couldn't send emails to @gmail addresses anymore, not from my email, not from my system, not from any of other domains and websites I host...

By default, Yii 2.0 chooses to use the non-minified version of Jquery and Bootstrap files (CSS and JS). However, there's a simple way to indicate Yii to use the minified version.

I've read many comments that it's not possible to install Yii 2 advanced on a shared hosting environment, as it has two webroots. This is partially true.

Uploading files in a webapp can be extremely tricky and sometimes the quickest way to do it is to store the file directly in the webserver or into a DNS (like Amazon S3) and then to save the link and the metadata inside a table in the DB. The thing is that you'll have to deal with file permissions, server storage, file management and so on (which is perfectly fine, by the way).

In Yii 1.x, there was a built in widget CStarRating based on the jquery star rating plugin. There exists no prebuilt solution in Yii2, however the same concepts can be extended using any jquery plugin.