PHP获取表单textarea数据中的换行问题

2024-05-04 22:08:33

字体：大中小

来源：转载

供稿：网友

测试页面代码:
代码如下:
<!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>

在浏览器中打开后,在表单中输入: