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Upload files in Yii2 with MongoDb and GridFs

Updated 2 years ago by skwordenHow-tos3 comments – viewed 19,167 times – ( +8 / -1 ) – version 2.0
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).

How to display page on fancybox...using CHtml::ajaxlink with yii validation

Updated 2 years ago by Rohit SutharTutorials2 comments – viewed 12,468 times – ( +2 / -1 ) – version 1.1
1) include the fancybox extesion otherwise fancybox js

Use CGridview to sort and filter CSqlDataProvider - when used with UNRELATED tables (or complex queries)

Updated 2 years ago by Gerhard LiebenbergHow-tos6 comments – viewed 18,340 times – ( -1 ) – version 1.1
I have two tables called hospitals and departments. I have a junction table between them which holds the departments in each hospital. But sometimes I need a list of "All hospitals with All possible departments" - regardless of whether they are linked in the junction table or not.

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

Updated 2 years ago by Scott_HuangTips3 comments – viewed 38,594 times – ( -1 ) – version 2.0
We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview:

Add model validator in Controller

Updated 2 years ago by Kostas Apazidis (KonApaz)Tips4 comments – viewed 17,294 times – ( +1 / -2 ) – version 1.1
There are cases that model validators should be depended by controller/action and you couldn't manipulate on the model class or using scenarios in easy way

Yii configuration: Dynamic & User dependent

Updated 2 years ago by le_topHow-tos0 comments – viewed 6,113 times – ( +1 / -1 ) – version 1.1
It is difficult to perform user dependent theming through a general configuration in 'main.php'. This article proposes a method to do so through a Factory that dynamically generates classes to allow delayed resolution of actual user values. This means that you can refer to values that are stored in the database through the CActiveRecord before Yii is actually loaded. The values will be fetched from the database when actually used for the first time, which is after Yii is loaded. Actually, you can use pretty much any method that relies on Yii with this method.

Simple Way to Upload and Save File

Updated 2 years ago by Misbahul D MunirTutorials0 comments – viewed 19,502 times – ( -3 ) – version 2.0
This tutorial need extension mdmsoft/yii2-upload-file. Follow the intruction to install. After installation done, create controller and action

Save and Display Date/Time Fields in different formats in Yii2

Updated 2 years ago by Kartik VHow-tos12 comments – viewed 113,809 times – ( +41 / -1 ) – version 2.0
You would find having such a need in most Yii Projects. Your database needs a specific format to store date fields, while you may want to display it in different formats to the users on forms and other views.

Yii 2.0: Write & use a custom Component in Yii2.0 (Advanced Template)

Updated 2 years ago by Deepak PradhanHow-tos1 comment – viewed 24,954 times – ( -1 ) – version 2.0
This is an extension to Yii 2.0: Write & use a custom Component in Yii2.0 for Advanced Template

Create Form With DynamicModel

Updated 2 years ago by Misbahul D MunirTips4 comments – viewed 17,629 times – ( +2 / -1 ) – version 2.0
In yii2 we can create form without create FormModel. Here we go
tags: form, yii2, model