PHP是否具有检测正在运行的操作系统的功能? [英] Does PHP have a function to detect the OS it's running on?
问题描述
我不知道要使用哪个关键字在PHP数据库中查找该关键字，所以我在这里询问.
I wouldn't know under what keyword to look for this in the PHP database, so I'm asking here.
我想知道的原因是因为不同的操作系统如何处理文本文档中的新行.
Reason I want to know is because of how different Operating Systems handle new lines in textdocuments.
我在Windows中使用CSV文件，但是每次我想添加新行时，真正发生的是将新行粘贴到最新行的后面.
I'm using a CSV file in windows but each time I think I add a new line, what really happens is the new line gets pasted to the back of the latest line.
原因是，在Windows中，这是新行:\r\n
而我正在使用的CSVHandler.class.php文件仅添加\n
Reason is, in windows, a new line is this: \r\n
And the CSVHandler.class.php file I'm using only adds \n
但是，在MAC OS X中，这是新行，与Windows不同.
However, in MAC OS X that's the new line, which is different from windows.
所以我正在寻找这个，所以我可以实现一个简单的if()语句并解决这个问题.目前，我已经对\r\n进行了硬编码，但是它应该更简单，不是吗?
So I'm looking for this so I can implement a simple if() statement and solve this. Currently I've hardcoded the \r\n, but it should be simpler, no?
推荐答案
PHP has included the constant PHP_EOL for solving the problem you face, available since php 4.3.10 and PHP 5.0.2 - it contains a suitable end-of-line sequence for the server that PHP is running on.
如果要使用适合特定客户的其他行尾序列，则必须自己编写代码.确定客户端操作系统的一种方法是使用 get_browser ，您的服务器具有最新的 browscap.ini
If you want to use a different end-of-line sequence suitable for a particular client, then you'll have to code that yourself. One way to determine the client OS is to use get_browser, assuming your server has an up-to-date browscap.ini
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