我如何在文本数据库中强制换行？

I'm working with PHP, and I would like to create a line-break in my .txt database after every input. Is this even possible and how? Please help, I have tried /n and <br> but these won't work. Some code:

fwrite($handle,$artikelnummer);
fwrite($handle,$newData);

Between these two I want a linebreak

Something like this?

fwrite($handle, $artikelnummer);
fwrite($handle, "
");
fwrite($handle, $newData);

As Shikhar Bhardwaj pointed out, you could use PHP_EOL, instead of " ", if you want to be completely OS platform independent...

UPDATE: If what you expect is one empty line between lines, you have to write 2 newlines...:

fwrite($handle, $artikelnummer);
fwrite($handle, PHP_EOL . PHP_EOL);
fwrite($handle, $newData);

You have to use Backslash and letter n in double-quotes:

fwrite($handle, "This is my text with a linebreak");

Use :

fwrite($file, $yourData . "
");

Don't use ' ' as PHP will not recognize the escape sequence then.

If you want to be platform independent use PHP_EOL which outputs or depending on the OS. Its a predefined constant. Look here.

If you want an empty line after writing a line :

fwrite($file, $yourData . PHP_EOL . PHP_EOL);