How to save data to the database in Yii?

@tressie.damore 

To save data to a database in Yii, you can follow these general steps:

1. Define the model: Yii uses an active record pattern for database operations. You'll need to create a model that maps to the database table you want to save data to.
2. Create a new instance of the model: Create a new instance of the model and set the attributes with the data you want to save.
3. Validate the model: Before saving the data, it's important to validate it to ensure it meets the requirements of the database schema. Yii provides a convenient way to validate models using the validate() method.
4. Save the model: If the model passes validation, you can save it to the database using the save() method.

Here's an example of how to save data to a database in Yii:

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// 1. Define the model
use appmodelsPost;

// 2. Create a new instance of the model
$post = new Post();
$post->title = 'My Post';
$post->content = 'This is the content of my post.';

// 3. Validate the model
if ($post->validate()) {
    // 4. Save the model
    $post->save();
}

In this example, we assume that we have a Post model that maps to a posts table in the database. We create a new instance of the Post model and set its attributes with the data we want to save. We then validate the model using the validate() method, and if it passes validation, we save it to the database using the save() method.

There is nothing like that out of the box. I've heard that's the approach Wordpress MU used for a long time so that could be a good option regarding backups and overall data isolation.