PHP简单处理表单输入的特殊字符的方法

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：

  <?php
   if ($_POST['submitted'] == "yes"){
    $yourname = $_POST['yourname'];
    $yourname = trim ($yourname);
    $yourname = strip_tags ($yourname);
    $yourname = htmlspecialchars ($yourname);
    $yourname = addslashes ($yourname);
    echo $yourname . "
";
    ?>Try Again<?php
   }
   if ($_POST['submitted'] != "yes"){
    ?>
    

     
Example:
     
     Your Name: 

     
    
    <?php
   }
  ?>