Flare/ 
└── Models/ 
└── UsersModel.php

<?php
namespace Models;

class ClassName
{
    protected $db;

    public function __construct()
    {
        global $db;
        $this->db = $db;
    }

    // متدهای مربوط به این مدل
}

<?php
namespace Models;

class UsersModel
{
    protected $db;

    public function __construct()
    {
        global $db;
        $this->db = $db;
    }

public function saveRememberToken($userId, $token)
{
    $this->db->where('id', $userId);
    return $this->db->update('users', ['remember_token' => $token]);
}

public function findByRememberToken($token)
{
    $this->db->where('remember_token', $token);
    return $this->db->getOne('users');
}

public function insert($data)
{
    return $this->db->insert('users', $data);
}

public function update($id, $data)
{
    $this->db->where('id', $id);
    return $this->db->update('users', $data);
}

public function delete($id)
{
    $this->db->where('id', $id);
    return $this->db->delete('users');
}

public function getAll()
{
    return $this->db->orderBy("id", "desc")->get("users");
}

use Models\UsersModel;

$userModel = new UsersModel();
$user = $userModel->findByEmail('test@example.com');