สืบเนี่องจากกระทู้ที่แล้ว...เรื่องภาษาในฐานข้อมูลค่ะ จากที่ทุกท่านแนะนำนะค่ะ วิธีการแก้ภาษาแต่ว่า...

<?php
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = (!get_magic_quotes_gpc()) ? addslashes($theValue) : $theValue;

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}

$editFormAction = $_SERVER['PHP_SELF'];
if (isset($_SERVER['QUERY_STRING'])) {
  $editFormAction .= "?" . htmlentities($_SERVER['QUERY_STRING']);
}

if ((isset($_POST["MM_insert"])) && ($_POST["MM_insert"] == "formadd")) {
  $insertSQL = sprintf("INSERT INTO user (username, password, name, surname, sex, age, educate, email, ques, ans) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['txtuser'], "text"),
                       GetSQLValueString($_POST['txtpass'], "text"),
                       GetSQLValueString($_POST['txtname'], "text"),
                       GetSQLValueString($_POST['txtsur'], "text"),
                       GetSQLValueString($_POST['RadioGroup1'], "text"),
                       GetSQLValueString($_POST['select'], "int"),
                       GetSQLValueString($_POST['RadioGroup2'], "int"),
                       GetSQLValueString($_POST['txtemail'], "text"),
                       GetSQLValueString($_POST['select2'], "int"),
                       GetSQLValueString($_POST['txtqus'], "text"));

  mysql_select_db($database_dbwbi, $dbwbi);
  $Result1 = mysql_query($insertSQL, $dbwbi) or die(mysql_error());
  
  $insertGoTo = "Insertok.html";
  if (isset($_SERVER['QUERY_STRING'])) {
    $insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?";
    $insertGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $insertGoTo));
}
?>