Routing Issue: Optional ID and Named Routes in CodeIgniter 4

how doyou call your form to route maybe this can at least give an good eye

Code:

action="url_to('edit', $product['id'])"

Code:

action="route_to('edit', $product['id'])"

Code:

action="base_url('edit/'.product[id])

fetch

Code:

edit/productId

and your contr shoul be

PHP Code:

public function edit($id = null)
{
    if ($this->request->is( 'post')) {
        // Process form submission
    }

    if ($id) {
        // Load post for editing
    } else {
        // Create new post
    }

    return view('post_form', ['id' => $id]);
} 


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