如何编辑.csv标头行 [英] How to edit .csv header row

问题描述

我正在使用脚本将产品从商店导出到一个.csv文件.现在，我需要更改标题行以使其对我有用.

I´m using a script to export Products from a shop to one .csv file. Now I need to change the header row to make it work for me.

我已经搜索了很长时间，但是却不知道如何使它工作.也许我只是傻了.

I was searching a long time but didn't get it how to make it work. maybe I'm just to silly for that.

可以说我的CSV看起来像这样:

Lets say my CSV looks like this:

1. Heading1 Heading2 Heading3
2. value1 value2 value3

现在我需要打开该csv文件，仅更改标题，然后关闭并保存.

Now I need to open that csv file, change just the Headings, close and save it.

推荐答案

$f = "file.csv";

$new_heading =  "World,Mama,Euro";
$new_heading.="\n";

// read into array
$arr = file($f);

// edit first line
$arr[0] = $new_heading;

// write back to file
file_put_contents($f, implode($arr));

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