Too few arguments to function php - php

Question

my controller
class product extends Controller
{
function __construct()
{
}
public function index($id)
{
$productInfo = $this->model->productInfo($id);
print_r($productInfo);
$this->view('product/index.php');
}
}
?>
my model
class model_product extends Model
{
function __construct()
{
parent::__construct();
}
function productInfo($id)
{
$sql = 'select * from tbl_product where id=:x ';
$stmt = self::$conn->prepare($sql);
$stmt->bindParam(':x', $id);
$stmt->execute();
$result = $stmt->fetch();
return $result;
}
}
app.php
class App{
public $controller='index';
public $method='index';
public $params= [];
function __construct()
{
if(isset($_GET['url'])){
$url=$_GET['url'];
$url=$this->parseUrl($url);
$this->controller=$url[0];
unset($url[0]);
if (isset($url[1]))
{
$this->method=$url[1];
unset($url[1]);
}
$params=array_values($url);
}
$controllerUrl='controlls/'.$this->controller. '.php.';
if (file_exists($controllerUrl)){
require ($controllerUrl);
$object=new $this->controller;
$object->model($this->controller);
if(method_exists($object,$this->method))
call_user_func_array([$object,$this->method],$this->params);
}
}
function parseUrl($url){
$url=filter_var($url,FILTER_SANITIZE_URL);
$url=rtrim($url,'/');
$url=explode('/',$url);
return $url;
}
it shows this error
Fatal error: Uncaught ArgumentCountError: Too few arguments to function product::index(), 0 passed in C:\xampp\htdocs\hermesmvc\core\app.php on line 40 and exactly 1 expected in C:\xampp\htdocs\hermesmvc\controlls\product.php:14 Stack trace: #0 C:\xampp\htdocs\hermesmvc\core\app.php(40): product->index() #1 C:\xampp\htdocs\hermesmvc\index.php(9): App->__construct() #2 {main} thrown in C:\xampp\htdocs\hermesmvc\controlls\product.php on line 14

Answer 1

Replace in your app.php $params=array_values($url); by $this->params=array_values($url);
Because if you dont set $this->params In construtor, it will stay empty. Quite like what you made for method and controller.