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:
<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>