PHP获取表单area数据中的换行问题

时间：2010-09-08 来源：windstudio

闲来无事,在网上看到一篇关于php表单转换textarea换行符的文章,看完后,根据以往经验,感觉上这篇文章中的一些信息并不准确...于是便自己亲自对php获取表单数据中的换行符问题进行研究:

测试页面代码:

textareanl.php

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2  <html xmlns="http://www.w3.org/1999/xhtml">
 3  <head>
 4  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5  <title>PHP获取表单area数据中的换行问题</title>
 6  </head>
 7 <body>
 8 <?php
 9 $content=empty($_POST['content'])?null:trim($_POST['content']);
10 if(!empty($content))echo str_replace("\r",'rl',nl2br($content));
11 echo "\r".'<br/>----------分割线----------------------'."\r";
12 if(!empty($content))echo str_replace("\n",'nl',nl2br($content));
13 echo "\n".'<br/>----------分割线----------------------'."\n";
14 if(!empty($content))echo str_replace("\r",'rl',str_replace("\n",'nl',nl2br($content)));
15 echo "\r".'<br/>----------分割线----------------------<br/>'."\n";
16 echo 'hello'."\n".'boys!';
17 echo 'hello'."\r".'boys!';
18 ?>
19 <form action="textareanl.php" method="post" enctype="multipart/form-data">
20   <textarea name="content" cols="20" rows="6"></textarea>
21   <br />
22   <input type="submit" value="提交" />
23 </form>
24 </body>
25 </html>