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PHP字符串浮动

PHP String to Float(PHP字符串浮动)

本文介绍了PHP字符串浮动的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我对 PHP 一点也不熟悉,有一个简短的问题.

I am not familiar with PHP at all and had a quick question.

我有 2 个变量 pricePerUnitInvoicedUnits.这是将这些设置为值的代码:

I have 2 variables pricePerUnit and InvoicedUnits. Here's the code that is setting these to values:

$InvoicedUnits = ((string) $InvoiceLineItem->InvoicedUnits);
$pricePerUnit = ((string) $InvoiceLineItem->PricePerUnit);

如果我输出这个,我会得到正确的值.假设 5000 发票单位和 1.00 价格.

If I output this, I get the correct values. Lets say 5000 invoiced units and 1.00 for price.

现在,我需要显示花费的总金额.当我将这两个相乘时它不起作用(正如预期的那样,这些是字符串).

Now, I need to show the total amount spent. When I multiply these two together it doesn't work (as expected, these are strings).

但我不知道如何在 PHP 中解析/转换/转换变量.

But I have no clue how to parse/cast/convert variables in PHP.

我该怎么办?

推荐答案

$rootbeer = (float) $InvoicedUnits;

应该为你做.查看 Type-Juggling.您还应该阅读 字符串转换为数字.

Should do it for you. Check out Type-Juggling. You should also read String conversion to Numbers.

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