model

<?php
class model{

    private $conn;
    private $tabnm = "admin";

    public $user;
    public $userid;
    public $passid;

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

    function login(){
            $user = $this->cek();
            if ($user) {
                $this->user = $user;
            session_start();
                $_SESSION['nama_user'] = $user['nama_user'];
                return $user['nama_user'];
            }
            return false;
    }

    function cek(){
            $stmt = $this->conn->prepare('SELECT * FROM '.$this->tabnm.' WHERE username=? and password=?');
        $stmt->bindParam(1, $this->userid);
        $stmt->bindParam(2, $this->passid);
            $stmt->execute();
            if ($stmt->rowCount() > 0) {
                $data = $stmt->fetch(PDO::FETCH_ASSOC);
                $submitted_pass = $this->passid;
                if ($submitted_pass == $data['password']) {
                    return $data;
                }
            }
            return false;
    }

    function getUser(){
            return $this->user;
    }

}
?>