This tutorial is explained following "basic" application structure.
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
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.
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.
We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview: