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<?php // 补贴比例 $subsidy = 0.10; // 最大补贴金额 $maxSubsidy = 500; // 原价 $regular_price = 4999; // 补贴 $subsidy_amount = min($maxSubsidy, $regular_price * $subsidy); // 现价 $sale_price = $regular_price - $subsidy_amount; // 结果 $result = [ '原价：' . $regular_price, '补贴：' . $subsidy_amount, '现价：' . $sale_price, ]; echo implode("\r\n", $result);
Output for git.master_jit, git.master
原价：4999 补贴：499.9 现价：4499.1

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