PHP＋TEXT留言本(三)_PHP教程

上两节我针对guest.php和edit.php作了讲述.需要注意的是php和html的区别:
php通常是-->(1)
(2) echo("zihanonline");
?>
(3)
(4)<% echo("zihanonline");%>
等4种方式.不要混淆.
下面我们来研究信息管理:manage.php代码.
-----------
//manage.php

include(head.htm);
include("sys.php");
if ($passWord!=$managepwd and $dispflag)
{

echo "";
echo "

exit;
}

?>

exit;
}

if ($password==$managepwd)
{
$guest_content=file($guestfile);
$count=count($guest_content);
for ($j=1;$j<=$count;$j++)
{
$del_rec_num="check".$j;
$del_num=$$del_rec_num;
//echo "$del_num:$del_num";
$guest_content[$del_num-1]="";
}

$fp=fopen($guestfile,"w");
for ($i=0;$i<=$count-1;$i++)
{
if ($guest_content[$i]!="")
{
fputs($fp,$guest_content[$i],strlen($guest_content[$i]));
}
}
fclose($fp);
echo "";
echo "