php - php \n new line no show well

Question

I want to show this line to the end when go to submit texarea , for save little data i use txt db and i have problem because the line with \n no get replace this character

For example :

$replace=str_replace("\n","<br>",$val);
$replace=str_replace("\r","<br>",$val);
$replace=str_replace("\n\r","<br>",$val);

Replace \n by <br> but inside the text no see only line i see this

data1,data2,data3,data4,data5<br>
hello
<br>
yes
<br>

And this it´s bad because i need show all in only line

Thank´s Regards !!!

Answer 1

如果我理解得很好，您尝试用\nHTML替换<br>? 如果是，可以使用PHP的nl2br函数：http: //php.net/manual/en/function.nl2br.php

Answer 2

曾经考虑过使用：

echo nl2br($Val);

这使您的代码比查看更优雅：

$replace=str_replace("\n","<br>",$val);
$replace=str_replace("\r","<br>",$val);
$replace=str_replace("\n\r","<br>",$val);

因为 nl2br 完全按照您的str_replace线路所做的工作，并使其更容易。

这会将所有换行符格式转换为 HTML<br>

Answer 3

尝试这个：

$replace=str_replace("\\\n","<br>",$val);
$replace=str_replace("\\\r","<br>",$val);
$replace=str_replace("\\\n\\\r","<br>",$val);

例如，\n 发送文字字符 n。但是，\\n 被解释为 \（文字字符“\”）和 \n（文字字符“n”）或全部解释为文字“\n”