laravel eloquent update example

Example 1: update query in laravel eloquent

$data = DB::table('cart')
                ->where('crt_id', $id)
               ->update(['crt_status' =>'0']);

Example 2: laravel eloquent update quantity

foreach ($items as $item) {
    $product = Product::find($item['id']);
    $product->decrement('quantity', $item['qty']);
}