# $productPage->stock()

> How many of this product are left, from its `stock` field

- Source: `src/ProductPage.php#L151` <https://github.com/wagnerwagner/merx/blob/2.0.0-alpha.11/src/ProductPage.php#L151>

```php
$productPage->stock(): float|null
```

## Return type

`float|null`

Null when the field is empty or not a number: the product is not limited

## Description

The cart and the checkout refuse more than that.

## Parent class

`Wagnerwagner\Merx\ProductPage`