$grade = null;
             if (isset($_POST['GRADE_EDUCATION_' . $i])) {
                 $grade = $_POST['GRADE_EDUCATION_' . $i];
             }
             $data = array($pk_id_person, $_POST['PROFESION_' . $i], $grade);
             $pk_id = $assProf->insertAssignPersonProfession($data, $idTransaction);
         }
     }
 }
 //DIRECCIONES
 if (isset($_POST['directions_din_number']) && $_POST['directions_din_number'] >= 1) {
     for ($i = 1; $i <= $_POST['directions_din_number']; $i++) {
         if (isset($_POST['DIRECTION_' . $i])) {
             //direction,comment,fk_id_type_direction, fk_id_location
             $data = array($_POST['DIRECTION_' . $i], NULL, $_POST['DIRECTION_TYPE_' . $i], $_POST['DIRECTION_LOCATION_' . $i]);
             $pk_id = $direction->insertDirection($data, $idTransaction);
             if ($pk_id > 0) {
                 $data = array($pk_id_person, $pk_id);
                 $pk_id = $assDir->insertAssignPersonDirection($data, $idTransaction);
             }
         }
     }
 }
 //BILLING DATA
 if (isset($_POST['bill_din_number']) && $_POST['bill_din_number'] >= 1) {
     for ($i = 1; $i <= $_POST['bill_din_number']; $i++) {
         if (isset($_POST['NIT_' . $i])) {
             //billing_name,nit,main_billing_data,fk_id_person
             $data = array($_POST['BILLING_NAME_' . $i], $_POST['NIT_' . $i], 5, $pk_id_person);
             $pk_id = $bill->insertBillingData($data, $idTransaction);
         }