bcmul — 2个任意精度数字乘法计算
// 商品总重量
$goods['goods_total_weight'] = bcmul($goods['goods_sku']['goods_weight'], $cart['goods_num'], 2);
bcmul — 2个任意精度数字乘法计算
// 商品总重量
$goods['goods_total_weight'] = bcmul($goods['goods_sku']['goods_weight'], $cart['goods_num'], 2);
本文标题:bcmul 精度计算,一般用于价格计算
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