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.

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.

Yii 3 and many Yii 2 package sources are contained within src directory which is convenient since you have less directories to check.

Default date format in Oracle is DD-MON-RR (25-JAN-18). With that output, we can't using date formatting.

Working with scenarios, with models that can receive many modifications in their rules or structures as development evolves, can create disruptions in the rescue process.

Here is a step by step To-Do list for Yii beginners. The list is an advice of what tutorials and documentation you can walk through to get a full understanding of the Yii Framework. These can be a help to learn Yii.

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).

Yii2 - Converting from Bootstrap3 to Bootstrap4

I have an API. It's built with a RESTful extension over Active Record, and some endpoints provide PUT methods to upload files. By a REST design we create an entity with POST /video first, and then upload a video file with PUT /video/{id}/data.

The Problem: Yii2 utilizes by default UserIdentity configured in config/web.php for connection, this object apply one table to authentication ('identityClass' => 'app\panel\models\User'). How to authentication from diferent tables? Solution: Create instances in web.php to uses UserIdentify. eg:

When to use Active Record is a common question among developers, Yii and overall.

https://schema.org is a markup system that allows to embed structured data on their web pages for use by search engines and other applications. Let's see how to add Schema.org to our pages on Yii2 based websites using JSON-LD.

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...

If you develop rather complex applications with Yii2, you might already be familiar with yii2-app-advanced application template. Well, the template is awesome and provides high flexibility regarding code/configuration sharing among parts of an application.

JWT is short for JSON Web Token. It is used eg. instead of sessions to maintain a login in a browser that is talking to an API - since browser sessions are vulnerable to CSRF security issues. JWT is also less complicated than setting up an OAuth authentication mechanism.

After getting lot's of error and don't know how to perform multiple images api in yii2 finally I get it today

This article is for those who have dealt with the complexity of Elasticsearch or any other indexing machines and are looking for an easier way to index the existing database without additional effort.

Use the following css styles for carousel to work as expected.

Yii comes with internationalisation (i18n) "out of the box". There are instructions in the manual as to how to configure Yii to use i18n, but little information all in one place on how to fully integrate it into the bootstrap menu. This document attempts to remedy that.