PHP获取表单textarea数据中的换行问题

2019-11-22 01:06:15

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来源：转载

供稿：网友

测试页面代码:

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