array_sum/array_column（二维数组指定字段求和）

二维数组指定字段求和

<?php
$arr = [
    [
        "goods_id" => 37,
        "goods_name" => "铁砂锅37",
        "goods_weight" => 2,
        "goods_price" => "200.00",
        "actual_delivery_sum" => 1,
        "order_goods_num" => 1,
    ],
    [
        "goods_id" => 39,
        "goods_name" => "料酒39",
        "goods_weight" => 1,
        "goods_price" => "30.00",
        "actual_delivery_sum" => 1,
        "order_goods_num" => 0,
    ]
];

$coupon_price = array_sum(array_column($arr, 'goods_price'));
echo $coupon_price;//230