Laravel – array to string with 2 fields

$warehouses = [
    {
    "id": 1,
    "name": "warehouse 1",
    "pivot": {
        "product_id": "1",
        "warehouse_id": 1,
        "qty": 136.5
        }
    },
    {
    "id": 2,
    "name": "warehouse 2",
    "pivot": {
        "product_id": "1",
        "warehouse_id": 2,
        "qty": 71.5
        }
    }
]

I need result like below.

$result = ["warehouse 1 - 136.5", "warehouse 2 -  71.5"];

plz help

>Solution :

$result = [];
foreach($warehouses as $i){
  $result[] = $i['name'] . ' - ' . $i['pivot']['qty'];
}