public function postChangepf()
 {
     $schools = array();
     $applicantId = Input::get("applicantId");
     $size = Input::get("size");
     if ($size >= 1) {
         $school1 = new parser();
         $schoolId1 = Input::get("schoolId1");
         $piority1 = Input::get("piority1");
         $school1->setSchool_id($schoolId1);
         $school1->setOrderOfPreference($piority1);
         $schools[] = $school1;
     }
     if ($size >= 2) {
         $school2 = new parser();
         $schoolId2 = Input::get("schoolId2");
         $piority2 = Input::get("piority2");
         $school2->setSchool_id($schoolId2);
         $school2->setOrderOfPreference($piority2);
         $schools[] = $school2;
     }
     if ($size >= 3) {
         $school3 = new parser();
         $schoolId3 = Input::get("schoolId3");
         $piority3 = Input::get("piority3");
         $school3->setSchool_id($schoolId3);
         $school3->setOrderOfPreference($piority3);
         $schools[] = $school3;
     }
     if ($size >= 4) {
         $school4 = new parser();
         $schoolId4 = Input::get("schoolId4");
         $piority4 = Input::get("piority4");
         $school4->setSchool_id($schoolId4);
         $school4->setOrderOfPreference($piority4);
         $schools[] = $school4;
     }
     if ($size >= 5) {
         $school5 = new parser();
         $schoolId5 = Input::get("schoolId5");
         $piority5 = Input::get("piority5");
         $school5->setSchool_id($schoolId5);
         $school5->setOrderOfPreference($piority5);
         $schools[] = $school5;
     }
     if ($size >= 6) {
         $school6 = new parser();
         $schoolId6 = Input::get("schoolId6");
         $piority6 = Input::get("piority6");
         $school6->setSchool_id($schoolId6);
         $school6->setOrderOfPreference($piority6);
         $schools[] = $school6;
     }
     $result = DBApplicationController::changeSchoolPiority($applicantId, $schools);
     if ($result) {
         return "piority level of schools changed ";
     } else {
         return "piority level of schools not change well ";
     }
 }