There are some very advanced grids in the Yii2 community, specifically Kartik's amazing gridview extensions but they all designed for interactive screen use.
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).
This wiki explains how to add calculated fields into your Yii Framework 2.0 gridview with filtering and sorting.
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.
The Problem: Yii2 utilizes by default UserIdentity configured in config/web.php for connection, this object appy one table to authentication ('identityClass' => 'app\painel\models\User'). How to authentication from diferent tables? Solution: Create instances in web.php to uses UserIdentify. eg:
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.
Yii 2.0 comes with a formatter component to format dates, numbers, and other values for international users according to their locale. This is very useful for displaying data. When working with incoming data or when using enhanced input methods like the [MaskedInput widget](https://www.yiiframework.com/doc/api/2.0/yii-widgets-maskedinp...
You have that, when a product is on development they can change its API anytime. This change is quite important though, its related on how to set the events of your form, for example, the useful beforeSubmit.
Imagine adds most common image functions and also acts as a wrapper to Imagine image manipulation library.
The nested set behaviour is an approach to store hierarchical data in relational databases. For example, if we have many categories for our product or items. One category can be a "parent" for other categories, means that one category consists of more than one category. The model can be drawn using a "tree" model. There are other approaches available but what we will learn in this article is speci...
Welcome, all of you !
When building PHP web applications you usually have to take care about defining and providing a consistent development and production environment for your team. This includes your application packages, PHP-extensions, database servers and often further components such as a mail server or workers.
It's well known that there are Lazy Loading approach and Eager Loading approach in the relational query. But it's very important to know how the Eager Loading approach works in Yii 2. It has changed drastically from that of Yii 1.1, and there are common misunderstandings about it in the community.