与nl2br相反?是str_replace吗? [英] Opposite of nl2br? Is it str_replace?

问题描述

因此，函数nl2br很方便.除了在我的网络应用程序中，我想做相反的事情，将换行符解释为新行，因为换行符将被回显为预先填充的形式.

So the function nl2br is handy. Except in my web app, I want to do the opposite, interpret line breaks as new lines, since they will be echoed into a pre-filled form.

str_replace可以使用<br />并将其替换为我想要的任何内容，但是如果我输入\ n，它将在字面上回显一个反斜杠和一个n.仅当我在脚本的中间放置一个文字换行符并中断缩进时才有效(这样就没有尾随空格了).

str_replace can take <br /> and replace it with whatever I want, but if I put in \n, it echoes literally a backslash and an n. It only works if I put a literal line break in the middle of my script, and break the indentation (so there are no trailing space).

请参阅:

    <?=str_replace('<br />','
',$foo)?>

我是否缺少转义字符?我想我尝试了所有组合...

Am I missing escape characters? I think I tried every combination...

推荐答案

您在写'\n'吗?因为\ n仅在用双引号引起来时才能正确解释:"\n".

Are you writing '\n'? Because \n will only be interpreted correctly if you surround it with double quotes: "\n".

关闭主题:<?=语法是邪恶的.请不要为了团队中的其他开发人员而使用它.

Off topic: the <?= syntax is evil. Please don't use it for the sake of the other developers on your team.

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