dead code elimination

~dev_rating/modules/account/classes/Model/Kohana/Account.php

 <?php defined('SYSPATH') or die('No direct script access.');
- 
+
 class Model_Kohana_Account extends Model
 {
     public function setHashKey($key)
@@ -9,14 +9,14 @@ class Model_Kohana_Account extends Model
         $res = DB::query(Database::SELECT, $sql)->execute();
         return $res->get('Key');
     }
-    
+
     public function getHashKey()
     {
         $sql = "SELECT `GetHashKey`() AS `Key`;";
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('Key');
     }
-    
+
     public function checkAuth($login, $password) {
         $db = Database::instance();
         $login = $db->escape($login);
@@ -25,7 +25,7 @@ class Model_Kohana_Account extends Model
         $res = DB::query(Database::SELECT, $sql)->execute();
         return $res->get('ID');
     }
-    
+
     public function ChangeTeacherInfo($id, $lastName, $firstName, $secondName, $degreeID, $departamentID)
     {
         $db = Database::instance();
@@ -36,7 +36,7 @@ class Model_Kohana_Account extends Model
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('UserID');
     }
-    
+
     public function createTeacher($lastName, $firstName, $secondName, $degreeID, $departamentID, $activationCode)
     {
         $db = Database::instance();
@@ -48,7 +48,7 @@ class Model_Kohana_Account extends Model
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('UserID');
     }
-    
+
     public function createTeacherByDepName($lastName, $firstName, $secondName, $departamentName, $facultyID, $activationCode)
     {
         $db = Database::instance();
@@ -61,7 +61,7 @@ class Model_Kohana_Account extends Model
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('UserID');
     }
-    
+
     public function createStudent($lastName, $firstName, $secondName, $grade, $groupNum, $facultyID, $activationCode)
     {
         $db = Database::instance();
@@ -72,8 +72,8 @@ class Model_Kohana_Account extends Model
         $sql = "SELECT `CreateStudent`($lastName, $firstName, $secondName, '$grade', '$groupNum', '$facultyID', $activationCode) AS `UserID`;";
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('UserID');
-    }   
-	
+    }
+
     public function createStudentEx($lastName, $firstName, $secondName, $gradeNum, $groupNum, $degree, $specialization, $facultyID, $activationCode)
     {
         $db = Database::instance();
@@ -86,7 +86,7 @@ class Model_Kohana_Account extends Model
         $sql = "SELECT `CreateStudentEx`($lastName, $firstName, $secondName, '$gradeNum', '$groupNum', $degree, $specialization, '$facultyID', $activationCode) AS `UserID`;";
         $key = DB::query(Database::SELECT, $sql)->execute();
         return $key->get('UserID');
-    }   
+    }
 
     public function createSubject($name, $abbr, $facultyID)
     {
@@ -96,30 +96,30 @@ class Model_Kohana_Account extends Model
         $sql = "SELECT `CreateSubject`('$facultyID', $name, $abbr) AS `Num`;";
         $response = DB::query(Database::SELECT, $sql)->execute();
         return $response->get('Num');
-    }  
-    
+    }
+
     public function getPersonalInfo($id)
     {
         $sql = "CALL `GetPersonalInfo`('$id');";
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query;
     }
-        
+
     public function GetAccountInfo($id)
     {
         $sql = "CALL GetAccountInfo('$id');";
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query;
     }
-    
+
     public function changeMail($id, $mail)
     {
         $mail = Database::instance()->escape($mail);
         $sql = "SELECT `ChangeMail`('$id', $mail) AS Num;";
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query->get('Num');
-    }   
-    
+    }
+
     public function changeLogin($id, $login)
     {
         $login = Database::instance()->escape($login);
@@ -135,7 +135,7 @@ class Model_Kohana_Account extends Model
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query->get('Num');
     }
-    
+
     public function getAccNumByLogin($login)
     {
         $login = Database::instance()->escape($login);
@@ -143,27 +143,24 @@ class Model_Kohana_Account extends Model
         $res = DB::query(Database::SELECT, $sql)->execute();
         return $res->get('Num');
     }
-    
+
     public function getAccNumByMail($email)
     {
         $email = Database::instance()->escape($email);
         $sql = "SELECT `GetAccCountByMail`($email) AS Num;";
         $res = DB::query(Database::SELECT, $sql)->execute();
         return $res->get('Num');
-    }    
-    
+    }
+
     public function isActivationCodeValid($code)
     {
         $code = Database::instance()->escape($code);
         $sql = "SELECT `GetAccCountByCode`($code) AS Num;";
         $res = DB::query(Database::SELECT, $sql)->execute();
-//        foreach ($res as $value) {
-//            $count = $value['Num'];
-//        }
         $count = $res[0]['Num'];
         return $count == 1;
     }
-    
+
     public function createRecoveryToken($email, $token)
     {
         $db = Database::instance();
@@ -173,7 +170,7 @@ class Model_Kohana_Account extends Model
         $res = DB::query(Database::SELECT, $sql)->execute();
         return $res->get('UserName');
     }
-    
+
     public function getRecoveryInfoByEMail($email)
     {
         $email = Database::instance()->escape($email);
@@ -181,7 +178,7 @@ class Model_Kohana_Account extends Model
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query;
     }
-    
+
     public function getRecoveryInfoByToken($token)
     {
         $token = Database::instance()->escape($token);
@@ -189,7 +186,7 @@ class Model_Kohana_Account extends Model
         $query = DB::query(Database::SELECT, $sql)->execute();
         return $query;
     }
-    
+
     public function useRecoveryToken($token)
     {
         $token = Database::instance()->escape($token);
@@ -197,7 +194,7 @@ class Model_Kohana_Account extends Model
         $email = DB::query(Database::SELECT, $sql)->execute();
         return $email->get('Num');
     }
-    
+
     public function activateAccount($login, $password, $email, $code)
     {
         $db = Database::instance();
@@ -212,7 +209,7 @@ class Model_Kohana_Account extends Model
         }
         return $id;
     }
-    
+
     public function GetCurSemesterID()
     {
         $sql = "SELECT `GetCurSemesterID`() AS `Num`; ";
@@ -222,7 +219,7 @@ class Model_Kohana_Account extends Model
         }
         return $id;
     }
-    
+
     public function SetSemesterID($semesterID)
     {
         $sql = "SELECT `SetSemesterID`('$semesterID') AS `Num`; ";