ช่วยทีค้าบบ ผมต้องการลบบางอย่างออกจากโค๊ดรบกวนพี่ๆผู้รู้แนะนำทีค้าบบบ

<?php require_once('Connections/member.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($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;
}
}

if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  if (PHP_VERSION < 6) {
    $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
  }

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($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"] == "frm_insertmember")) {
  $insertSQL = sprintf("INSERT INTO tbl_member (MId, MPass, MName, MLastname, MDate, MMonth, MYear, MSex, MAddress, MEmail) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)",
                       GetSQLValueString($_POST['MId'], "text"),
                       GetSQLValueString($_POST['MPass'], "text"),
                       GetSQLValueString($_POST['MName'], "text"),
                       GetSQLValueString($_POST['MLastname'], "text"),
                       GetSQLValueString($_POST['MDate'], "text"),
                       GetSQLValueString($_POST['MMonth'], "text"),
                       GetSQLValueString($_POST['MYear'], "text"),
                       GetSQLValueString(isset($_POST['MSex']) ? "true" : "", "defined","'Y'","'N'"),
                       GetSQLValueString($_POST['MAddress'], "text"),
                       GetSQLValueString($_POST['MEmail'], "text"));

  mysql_select_db($database_member, $member);
  $Result1 = mysql_query($insertSQL, $member) or die("Sorry,Username is used please change");

  $insertGoTo = "complete.php";
  if (isset($_SERVER['QUERY_STRING'])) {
    $insertGoTo .= (strpos($insertGoTo, '?')) ? "&" : "?";
    $insertGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $insertGoTo));
}

mysql_select_db($database_member, $member);
$query_member = "SELECT * FROM tbl_member";
$member = mysql_query($query_member, $member) or die(mysql_error());
$row_member = mysql_fetch_assoc($member);
$totalRows_member = mysql_num_rows($member);
?>