<?php
require_once('../classes/mysql.class.php');
session_start();
    if(isset($_POST['index_num']) )
    {
        $index_number = $_POST['index_num'];
        $remarks = $_POST['remarks'];
        $term = $_POST['term'];
        $class_id = $_POST['class_id'];
        $valuesArray['index_number'] = MySQL::SQLValue($index_number);
        $valuesArray['term'] = MySQL::SQLValue($term);
        $valuesArray['class_id'] = MySQL::SQLValue($class_id);
        $valuesArray['remarks'] = MySQL::SQLValue($remarks);
        $whereArray['index_number'] =  MySQL::SQLValue($index_number);
        $tableName = "remark";
    $search = new MySQL;
    $trans = new MySQL;
    $search->Query("Select * From remark WHERE  index_number = '$index_number' AND term = $term AND $class_id = $class_id");
    $count = $search->RowCount();
    if($count)
    {
        $sql = MySQL::BuildSQLUpdate($tableName, $valuesArray,$whereArray);
        $trans->Query($sql);
    }
    else
    {
        $sql = MySQL::BuildSQLInsert($tableName,$valuesArray);
        $trans->Query($sql);
    }
}