laravel observer updateing code example

Example 1: laravel observer

php artisan make:observer UserObserver --model=User

Example 2: laravel observer check if field changed

class UserObserver
{


    /**
     * Listen to the User created event.
     *
     * @param  \App\User  $user
     * @return void
     */
    public function updating(User $user)
    {
      if($user->isDirty('email')){
        // email has changed
        $new_email = $user->email; 
        $old_email = $user->getOriginal('email');
      }
    }

}

Example 3: laravel observer

<?php

namespace App\Observers;

use App\Models\User;

class UserObserver
{
    /**
     * Handle the User "created" event.
     *
     * @param  \App\Models\User  $user
     * @return void
     */
    public function created(User $user)
    {
        //
    }

    /**
     * Handle the User "updated" event.
     *
     * @param  \App\Models\User  $user
     * @return void
     */
    public function updated(User $user)
    {
        //
    }

    /**
     * Handle the User "deleted" event.
     *
     * @param  \App\Models\User  $user
     * @return void
     */
    public function deleted(User $user)
    {
        //
    }

    /**
     * Handle the User "forceDeleted" event.
     *
     * @param  \App\Models\User  $user
     * @return void
     */
    public function forceDeleted(User $user)
    {
        //
    }
}