PHP＋TEXT留言本(五)_PHP教程

现在我们来讲一下reply.php的代码:
---------------------------------
//reply.php

  function check_strlen_long($txt)
{
$len=strlen($txt);
$count=0;
for ($i=0;$i{
if (ord($txt[$i])  { $count=$count+1;}
  if (ord($txt[$i])==10 or ord($txt[$i])==32)
  {$count=0;}
  if ($count>=60)
  {
  $txt[$i]="n";
  $count=0;
  }
}
  return $txt;
}

function encode ($txt)
{
$txt=strip_tags($txt);
$txt=htmlspecialchars($txt);
$message=StripSlashes($txt);
return $message;
}

  $content=file("guest.txt");
  $disptext=$content[$record-1];
 
if ($job=="addreply" and $replyname!="" and $replycontent!="")
{
$content=file("guest.txt");
$count=count($content);
$time = date(Y年m月d日H小时i分);
$ip=$REMOTE_ADDR;
$replycontent=StripSlashes($replycontent);
$replyname=encode($replyname);
$replycontent=htmlspecialchars($replycontent);
  $replycontent=check_strlen_long($replycontent);
$replycontent=nl2br($replycontent);
$replycontent=ereg_replace(chr(10),"",$replycontent);
$content[$record-1]=substr($content[$record-1],0,strlen($content[$i])-1); $content[$record-1]=$content[$record-1]."

  include(head.htm);?>
 
   
     
      if ($Submit)
       {
        if ($replyname=="" or $replycontent=="")
        {
      echo" ";
      echo"";
      echo"";
       }
       }
      ?>
      echo $disptext ?>
     
       
     
     
       
     
     
       
     
     
       
     
   
   

";
      echo "出错了回复人姓名和回复内容必填-www.devdao.com!";
      echo"

回复大名
         
       

         

回复内容

         

         
          >