这篇文章主要介绍了PHP简单处理表单输入的特殊字符的方法,涉及PHP中trim(),strip_tags(),htmlspecialchars()及addslashes()等函数的使用技巧,需要的朋友可以参考下
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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | <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
}
?>
</p>
</body>
</html>
|
Nach dem Login kopieren