Can You Help Me To Convert The Following Code To Yii

$submit = $_POST["submit"];

$user = $_POST["username"];

$pass = $_POST["password"];

$user = htmlspecialchars($user,ENT_QUOTES);

$pass = htmlspecialchars($pass,ENT_QUOTES);

session_start();

$_SESSION=array();

if($submit=="Submit")

{

include"dbconnect.php";

$saltpass = $server_salt.$pass;

$login_track=query(“select *from login_track where user_id=’$user’”);

if(mysql_num_rows($login_track)>3)

{

echo "<br><br><h1 align=‘center’><font color=‘red’>Your Computer is block for illegal activities.

For unlock contact with administrator. </font></h1><br><br>";

exit;

}

$query=query(“select *from user where user=’$user’ and pass=md5(’$saltpass’) and active=‘1’ and pin_code=’$server_admin_id’”);

if(mysql_num_rows($query)>0)

{

$row = mysql_fetch_object($query);

$us_id = $row->id;

$username = $row->user;

$myadmin = $username;

$level = $row->level;

$sess_uservalid = md5($username.$GLOBALS[REMOTE_ADDR].session_id());

$_SESSION[myadmin] = $myadmin;

$_SESSION[us_id] = $us_id;

$_SESSION[level] = $level;

$_SESSION[sess_uservalid] = $sess_uservalid;

$_SESSION[created_by] = $row->created_by;

$r5 = $row->level5;

$_SESSION[r5] = $r5;

$jewel = query(“select *from website where user_id=’$r5’ or user_id=’$us_id’”);

$jewel_r = mysql_fetch_object($jewel);

$_SESSION[website_title] = $jewel_r->title;

$_SESSION[website_logo] = $jewel_r->logo;

$_SESSION[website_url] = $jewel_r->address;

URL_forward("reseller/dashboard.php",0);

}

else

{

$error = "Invalid username or password";

$ip = $_SERVER["REMOTE_ADDR"];

$browser = $_SERVER[‘HTTP_USER_AGENT’];

query(“insert into login_track values(’’,’$user’,’$pass’,NOW(),’$ip’,’$browser’)”);

}

}

?>

Besides could you please tell me how to check session in yii

Welcome to forum.

Please take a look at these guidelines first.

CHttpSession class docs

If you’re new to Yii you will probably need start with Yii guide