Wiki articles in category How-tos

There are Multiple Ways to Create a Validator But here we use Regular Expression or JavaScript Regular Expression or RegExp for Creation Validators. In this article, we will see the most Frequently Used Expression

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...

\yii\mail\BaseMailer::useFileTransport is a great tool. If you activate it, all emails sent trough this mailer will be saved (by default) on @runtime/mail instead of being sent, allowing the devs to inspect thre result.

Logging is a very important feature of the application. It let's you know what is happening in every moment. By default, Yii2 basic and advanced application have just a \yii\log\FileTarget target configured.

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.

OpenGraph and Twitter Cards are two metadata sets that allow to describe web pages and make it more understandable for Facebook and Twitter respectively.

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.

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

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

Register an event handler at Object-Level

Let's assume we have two models: Customer and Supplier and we want both to log in. Yii is quite flexible when it comes to authentication and authorization so it's possible.

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...

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.

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.

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:

Small companies and startups use cheap email services or even Cpanel's mail services which are less secure and compete directly with bigger email providers like Microsoft with Outlook and Google with Gmail. This creates a problem when you try to use their services to send/receive emails from this cheap services. <img width="750" src="https://static.techspot.com/fileshost/newspics3/2017/google-clo...

We all need SEO friendly URLs for our projects. its not always good to call route with params so we can generalise it for all models using a common function.

Upon creating my Yii2 Members System, I have ran into a few snags along the way that forced me to extend and bend Yii2 to my will.