PHP录入数据库乱码解决思路

PHP录入数据库乱码
数据库编码是“utf8_bin”字段的编码也是“utf8_bin”,php向数据库录入中文时总是乱码！php文件也用文本编辑并保存为utf-8的了，问题还是没有解决。下面是代码

PHP code

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<?php require_once('../Connections/internal.php'); ?>
<?php 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"] == "form1")) {
  $insertSQL = sprintf("INSERT INTO discuss (a, content) VALUES (%s, %s)",
                       GetSQLValueString($_POST['a'], "text"),
                       GetSQLValueString($_POST['content'], "text"));

  mysql_select_db($database_internal, $internal);
  $Result1 = mysql_query($insertSQL, $internal) or die(mysql_error());
}

mysql_select_db($database_internal, $internal);
$query_Recordset1 = "SELECT * FROM discuss";
$Recordset1 = mysql_query($query_Recordset1, $internal) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);
?>


<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>discuss</title>

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$result1 = mysql_query("SELECT * FROM discuss where id "; } ?>

WHO	在说什么	楼
$a	$content	$id