php簡單的投票系統[原創]

include_once("../inc/connect.php");

$value?=$_SERVER['HTTP_HOST'];

if(empty($_COOKIE["cook"])){

if(sizeof($_POST)<9){ exit("");}

for($i=1;$i<=8;$i ){

$c?=$_POST['r'.$i];

switch( intval($c) ){

case 0:

$word?='vote_r1';

break;

case 1:

$word?='vote_r2';

break;

case 2:

$word?='vote_r3';

break;

default:

exit('error');

}

$sql?="update gx_votes set $word=$word 1,vote_times=vote_times 1 where id=$i";

mysql_query($sql) or die(mysql_error());

}

if( !empty($_POST['r9']) || !empty($_POST['r10']) ){ sava_voteinfo();}

echo "";

setcookie("cook", $value, time() 7200, "/");

}else{

print "對不起，你己經投票了，點擊返回";

}

function sava_voteinfo(){

$vote_modi?=addslashes(php_sava(isset($_POST['r9'])?$_POST['r9']:''));

$vote_info?=addslashes(php_sava(isset($_POST['r10'])?$_POST['r10']:''));

$vote_ip?=isset($_SERVER['REMOTE_ADDR'])?$_SERVER['REMOTE_ADDR']:'未獲取到ＩＰ';

$vote_time?=date("Y-m-d H:i:s");

$vote_sql?="Insert into gx_voteguest(vote_ip,vote_modi,vote_info,vote_time) value('$vote_ip','$vote_modi','$vote_info','$vote_time')";

mysql_query($vote_sql) or die('error');

}

function php_sava($str)

{

$farr = array(

"/\s /",

"/]*?)>/isU",

"/(]*)on[a-zA-Z] \s*=([^>]*>)/isU",

);

$tarr = array(

" ",

"＜\\1\\2\\3＞",?????????? //如果要直接清除不安全的標簽，這里可以留空

"\\1\\2",

);

$str = preg_replace( $farr,$tarr,$str);

return $str;

}

?>

總結

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