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php简单处理表单输入的特殊字符的方法

时间:2021-07-01 10:21:17 帮助过:36人阅读

本文实例讲述了PHP简单处理表单输入的特殊字符的方法。分享给大家供大家参考,具体如下:

<html> 
<body> 
<?php 
if ($_POST['submitted'] == "yes"){ 
$yourname = $_POST['yourname']; 
$yourname = trim ($yourname); 
$yourname = strip_tags ($yourname); 
$yourname = htmlspecialchars ($yourname); 
$yourname = addslashes ($yourname); 
echo $yourname . "<br />"; 
?><a href="index.php">Try Again</a><?php 
} 
if ($_POST['submitted'] != "yes"){ 
?> 
<form action="index.php" method="post"> 
<p>Example:</p> 
<input type="hidden" name="submitted" value="yes" /> 
Your Name: <input type="text" name="yourname" maxlength="150" /><br /> 
<input type="submit" value="Submit" style="margin-top: 10px;" /> 
</form> 
<?php 
} 
?> 
</div> 
</body> 
</html>

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