igfs/app/controllers/Users.php

<?php
namespace app\controllers;


use app\models\Question;
use app\models\User;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Facades\DB;

class Users {
    public function actionCreateUser($username, $email, $password)
    {
        return User::create(['username'=>$username,'email'=>$email,'password'=>$password]);
    }

    public function actionQuestionCount($user_id)
    {
        return Question::where('user_id', $user_id)->count();
    }

    public function actionViewAllUsers(): void
    {
        foreach (User::all() as $user)
        {
            echo $user->username . "<br>";
        }
    }

    public function actionViewUser(): void
    {
        echo User::where('id', '=', 13)->get();
//        $user =  User::where('id', '=', 13)->get();

//        echo $user->username . "<br>";
//        echo $user->email . "<br>";
//        echo $user->created_at . "<br>";
    }
}