htmlspecialchars()函数和html_entity_decode()函数

最新推荐文章于 2025-05-28 20:42:42 发布

abxn2002

最新推荐文章于 2025-05-28 20:42:42 发布

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分类专栏： [PHP学习笔记] 文章标签： html mysql xhtml query 数据库文档

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本文介绍如何使用CKEditor进行富文本编辑，并通过htmlspecialchars将编辑内容转换为HTML实体存储到数据库中，再利用html_entity_decode还原显示。

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test.html:

<!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>
<title>Full Page Editing - CKEditor Sample</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<script type="text/javascript" src="ckeditor/ckeditor.js"></script>
</head>
<body>
<h1>
  CKEditor Sample
</h1>
  <form action="posteddata.php" method="post">
   <textarea cols="80" id="editor1" name="editor1" rows="10"><p>This is some <strong>sample text</strong>. You are using <a href="http://ckeditor.com/">CKEditor</a>.</p></textarea>
   <script type="text/javascript">
    CKEDITOR.replace( 'editor1' );

   </script>
  <p>
   <input type="submit" value="Submit" />
  </p>
</form>
</body>
</html>

posteddata.php:

<body>
<?php
require_once('db_conn.php');

if(!$db_conn)
{
die('Could not connect: ' . mysql_error());
exit();
}

if ( isset( $_POST ) )
$postArray = &$_POST ;
else
$postArray = &$HTTP_POST_VARS ;

foreach ( $postArray as $sForm => $value )
{
if ( get_magic_quotes_gpc() )
  $postedValue = htmlspecialchars( stripslashes( $value ) ) ;
else
  $postedValue = htmlspecialchars( $value ) ;

}

mysql_select_db($db_name, $db_conn);

$query="INSERT INTO $tbl_test (content) values ('$postedValue')";

$result = mysql_query($query,$db_conn);
if($result)
{
echo "successful";
}
else
{
echo "ERROR";
}

mysql_close($db_conn);
?>
</body>
</html>

show.php:

<?php
require_once('db_conn.php');

if(!$db_conn)
{
  die('Could not connect: ' . mysql_error());
  exit();
}

mysql_select_db($db_name, $db_conn);

$query="SELECT * FROM $tbl_test ORDER BY contentid DESC LIMIT 0,1";

$result = mysql_query($query,$db_conn);

?>
<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<?
$rows=mysql_fetch_array($result);
echo html_entity_decode($rows['content']);
?>
</body>
</html>
<?
mysql_close($db_conn);
?>