laravel 4 logout after loginning directly? - laravel

Question

i try to login by email and password
auth::attempt success login but when redirect to link after login it logout by itself , on localhost all things good but when i upload my project on host this problem occured
login function
public function login(){
$validator=Validator::make(Input::all(),array(
'email' => 'email|required',
'password' => 'required'
));
if($validator->fails()){
$messages = $validator->messages();
$msg='';
foreach ($messages->all() as $message)
{
$msg .= "<li>".$message."</li><br />";
}
return $msg;
}
else{
$email = Input::get('email');
$password = Input::get('password');
$user=Auth::attempt(array(
'email' => $email,
'password' => $password,
'activated' => 1
),true);
//die(Auth::user()->rule);
if($user){
//Auth::login($user);
//die('1111111111');
return 1;
}
else{
return "يوجد خطأ فى البريد الإلكترونى أو كلمة المرور";
}
//die('11111111111111111');
}
}
model
<?php
use Illuminate\Auth\UserInterface;
use Illuminate\Auth\Reminders\RemindableInterface;
use Mmanos\Social\SocialTrait;
class User extends Eloquent implements UserInterface, RemindableInterface
{
use SocialTrait;
protected $fillable = array('username','password','rule', 'email','active','phone','address','add_info','image','first_name','sec_name','country','area','baqah_id');
/**
* The database table used by the model.
*
* #var string
*/
protected $table = 'users';
public static function is_admin(){
if(Auth::user()->rule=='admin'){
return true;
}
return false;
}
/*
one to one relation
*/
/**
* The attributes excluded from the model's JSON form.
*
* #var array
*/
protected $hidden = array('password');
/**
* Get the unique identifier for the user.
*
* #return mixed
*/
public function getAuthIdentifier()
{
return $this->getKey();
}
/**
* Get the password for the user.
*
* #return string
*/
public function getAuthPassword()
{
return $this->password;
}
/**
* Get the e-mail address where password reminders are sent.
*
* #return string
*/
public function getReminderEmail()
{
return $this->email;
}
public function getRememberToken()
{
return $this->remember_token;
}
public function setRememberToken($value)
{
$this->remember_token = $value;
}
public function getRememberTokenName()
{
return 'remember_token';
}
}
?>