PHPдµÄMD5ÆƽâÓë¼ÓÃܳÌÐò

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<!--p
  if(isset($_POST['md5'])){ //ÅжÏ$md5ÊÇ·ñÒÑÉèÖã¬Èç¹ûÉèÖÃÁËÔòÖ´ÐÐÒÔÏ´úÂë¡£
  if(!is_numeric($_POST['time'])){ //Èç¹ûû»ñÈ¡µ½timeµÄÖµÔò½«timeµÄÖµÉèÖÃΪ30
    $_POST['time'] = 30;
      }
    set_time_limit($_POST['time']); //ÉèÖÃÒ³Ãæ×ִÐÐʱ¼äΪ$time
  if(strlen($_POST['md5']) == 32){  //ÅжÏ$md5µÄ³¤¶ÈÊÇ·ñΪ32λ
    if($_POST['lx'] == "shuzi"){ //ÅжÏ$lxµÄÖµÊÇ·ñΪshuzi
    $i = 0;
//$md5²»µÈÓÚMD5¼ÓÃܺóµÄ$iÇÒ$i²»µÈÓÚ99999999Ôò¼ÌÐøÖ´ÐÐ$i++
  while($_POST['md5'] != md5($i) &#038;& $i != 99999999){
    $i++;
    }
      }
    else
    {
//$iÆðʼֵΪaÑ­»·md5($i)Èç¹ûµÈÓÚ$md5ÔòÌø³öÒ»Ö±µ½$i²»µÈÓÚzzzzzzzz
    for($i = "a"; $i != "zzzzzzzz"; $i++){
    if(md5($i) == $_POST['md5']){
    break;
    }
      }
        }
  if(md5($i) == $_POST['md5']){ //ÅжÏmd5($i)ÊÇ·ñµÈÓÚ$md5£¬Èç¹ûµÈÓÚ¾ÍÖ´ÐÐÒÔÏ´úÂë
         echo "<center><font color=red size=3>¹§Ï²Äú!" .$_POST['md5']. "½âÃܳɹ¦À²£¡
Ô­ÎÄΪ:" .$i. "</font></center>"; //Êä³ö½á¹û..ÎûÎû..
    }
      }
        }
-->
<hr />
<span xxxxx="font-size: small; color: #ff0000;">MD5½âÃÜ</span>
<form action="md5.php" enctype="application/x-www-form-urlencoded" method="post">
×Ö´®:
<input name="md5" size="32" type="text" /> ¾­¹ýMD5¼ÓÃܺóµÄ×Ö·û´®.
ʱ¼ä:
<input name="time" size="32" type="text" /> PHP³ÌÐòÖ´ÐеÄʱ¼ä.
ÀàÐÍ:
<select multiple="0" name="lx" size="0"> <option selected="selected" value="zimu">-------------×Öĸ-------------</option> <option value="shuzi">--