authentication - laravel 4 logout after loginning directly? -

i try login email , password auth::attempt success login when redirect link after login logout , on localhost things when upload project on host 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() $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');     /**      * database table used model.      *      * @var string      */     protected $table = 'users';      public static function is_admin(){         if(auth::user()->rule=='admin'){             return true;         }         return false;     }      /*     1 one relation      */     /**      * attributes excluded model's json form.      *      * @var array      */     protected $hidden = array('password');      /**      * unique identifier user.      *      * @return mixed      */     public function getauthidentifier()     {         return $this->getkey();     }      /**      * password user.      *      * @return string      */     public function getauthpassword()     {         return $this->password;     }       /**      * e-mail address password reminders 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';     } } 

?>