Map a function to each element in a collection

The CMS Questions
1

I’ve got an array I return as a Kirby\Toolkit\Collection. I’d like to map a function to each element.

As it is now, it returns an array and when I use it in a loop it’s mixing $cartItem['product_uri'] with $product->title() making it look confusing to use. I’d prefer $cartItem->product_uri() with $product->title()

I’ve got it to somewhat work. In the code provided below, it’s looping two items. But e.g. the $cartItem->product_uri() only return a value from the last item in the cart. What am I missing?

The array in the class ($this->items):

[
    {
        "product_uri": "path/to/product1",
        "product_uuid": "CTDBbFE1AOyrgIzQ",
    },
    {
        "product_uri": "path/to/product2",
        "product_uuid": "Vj8W5NjZbf9bEVBu",
    }
]

And in the class:

public function getProducts()
{
	$collection = new Collection( $this->items ); // Using the above array
	
	$collection->map( function( $collection ) {
			$this->product_uri = $collection[ 'product_uri' ];
			$this->product_uuid = $collection[ 'product_uuid' ];
			return $this;
	});

	return $collection;
}
2

This becomes a property of your page object, and you overwrite it with every loop, so the result is not surprising.