<body style="color:green;font-size:28px;background:black;font-family:Verdana, sans-serif;">
<?php error_reporting(0);?>
<form name="c" action="<?php echo $_SERVER[‘PHP_SELF‘];?>" method="get">
Input your text:
<input type="text" name="c" />
<button type="submit" value="Submit" style="color:green;font-size:28px;background:black;">Creat!</button>
</form>
</body>
<?php
//hash encode:
if($c=$_GET[‘c‘])echo ‘Roger!Your MD5 code is:<br>‘.md5($c).‘(32bit)<br>‘.substr(md5($c),8,16).‘(16bit)‘;//截取8到24就是16位的hash，便于储存
?>原文：http://blog.csdn.net/qq754406613/article/details/43577533