How to use the boot () method of Laravel Eloquent model

This article is about how the boot () method of the Laravel Eloquent model is used. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Boot () method of the model

In an Eloquent model, there is a magical place called boot (), where you can override the default behavior:

Class User extends Model {public static function boot () {parent::boot (); static::updating (function ($model) {/ / write some properties, such as $model- > something = transform ($something);});}}

Setting the values of certain fields when creating a model object is probably one of the most popular examples. Let's take a look at what you want to do to generate UUID fields when creating model objects.

Public static function boot () {parent::boot (); self::creating (function ($model) {$model- > uuid = (string) Uuid::generate ();});} Thank you for reading! This is the end of the article on "how to use the boot () method of the Laravel Eloquent model". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!