一个php作的文本留言本的例子(二)

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//edit.php

if ($Submit)

{

if ($SavePassword=="on")

{setcookie("TxtPassword","$TxtPassword",time()+30*24*3600);}

else

{setcookie("TxtPassword");}

}

?>

require("sys.php");

function readvalue($tags,$tage)

{

global $message,$long,$reply;

$StrStart=strlen(strstr($message,$tags))-strlen($tags);//去除标记后变量所在字串的起始位置.

$StrEnd=strlen(strstr($message,$tage));

$len=$StrStart-$StrEnd;

$StrStart=$long-$StrStart;//起始字符.

$StrString=substr($message,$StrStart,$len);

return $StrString;

}

function save($record)

{

global $TxtContent,$TxtEmail,$TxtHomepage,$TxtEmail,$TxtName,$TxtFrom,$TxtReply,$REMOTE_ADDR,$guestfile;

$content=file($guestfile,"r");

$space = "";

$time = date(Y年m月d日H小时i分);

$ip=$REMOTE_ADDR;

$TxtReply=StripSlashes($TxtReply);

$TxtContent=StripSlashes($TxtContent);

$TxtContent=htmlspecialchars($TxtContent);

$TxtContent=check_strlen_long($TxtContent);

$TxtContent=nl2br($TxtContent);

$Wcontent = "留言内容: