Кодировка при использовании ado_db

<?php
// подключаем основную библиотеку ADOdb
include('/adodb/adodb.inc.php');  
//подключаем jpgraph
include ('jpgraph/src/jpgraph.php');
include ('jpgraph/src/jpgraph_bar.php');
 
// подключаем форму
require_once "/Script/form.html";
require_once "/Script/form_report_qp.html";
require_once "/Script/form1.html";
 
//Список сотрудников
 
//Получаем id пользователся из сессии Joomla
$user = JFactory::getUser();
$u = $user->id;
//echo $u;
 
try{
//Подключаемся к БД
$dbh = new PDO('mysql:host=localhost;dbname=uvpz; charset=utf8', 'root', ''/*, array(PDO::ATTR_PERSISTENT => true) - постоянное соединение*/);
// Если есть даты, то выполняем запрос
if (isset($_POST['datestart'])) $datestart=$_POST['datestart']; else $datestart= '';
if (isset($_POST['dateend'])) $dateend=$_POST['dateend']; else $dateend= '';
//echo $datestart;
//echo $dateend;
//Помещаем переменные в сессию
$_SESSION['datestart'] = $datestart;
$_SESSION['dateend'] = $dateend;
 
 
//Выполняем запрос
$stmt1 = $dbh->query("SELECT uvpz.foul_conformity.f_name AS f_name, uvpz.foul_conformity.f_title AS Title FROM uvpz.foul_conformity;");
$stmt2 = $dbh->query("SELECT uvpz.foul_conformity.f_name AS f_name, uvpz.foul_conformity.f_title AS Title FROM uvpz.foul_conformity;");
$sql = "SELECT uvpz.y9hmp_users.id, uvpz.y9hmp_users.name AS Name, uvpz.y9hmp_usergroups.title AS Smena, 
sum(uvpz.foul.count) as count, 
round(sum(uvpz.foul.c1)/sum(uvpz.foul.count)*100,2) as c1,round(sum(uvpz.foul.c2)/sum(uvpz.foul.count)*100,2) as c2,
round(sum(uvpz.foul.c3)/sum(uvpz.foul.count)*100,2) as c3,round(sum(uvpz.foul.c4)/sum(uvpz.foul.count)*100,2) as c4,
round(sum(uvpz.foul.c5)/sum(uvpz.foul.count)*100,2) as c5,round(sum(uvpz.foul.c6)/sum(uvpz.foul.count)*100,2) as c6,
round(sum(uvpz.foul.c7)/sum(uvpz.foul.count)*100,2) as c7,round(sum(uvpz.foul.c8)/sum(uvpz.foul.count)*100,2) as c8,
round(sum(uvpz.foul.c9)/sum(uvpz.foul.count)*100,2) as c9,round(sum(uvpz.foul.c10)/sum(uvpz.foul.count)*100,2) as c10,
round(sum(uvpz.foul.c11)/sum(uvpz.foul.count)*100,2) as c11,round(sum(uvpz.foul.c12)/sum(uvpz.foul.count)*100,2) as c12,
round(sum(uvpz.foul.c13)/sum(uvpz.foul.count)*100,2) as c13,round(sum(uvpz.foul.c14)/sum(uvpz.foul.count)*100,2) as c14,
round(sum(uvpz.foul.c15)/sum(uvpz.foul.count)*100,2) as c15,round(sum(uvpz.foul.c16)/sum(uvpz.foul.count)*100,2) as c16,
round(sum(uvpz.foul.c17)/sum(uvpz.foul.count)*100,2) as c17,round(sum(uvpz.foul.c18)/sum(uvpz.foul.count)*100,2) as c18,
round(sum(uvpz.foul.c19)/sum(uvpz.foul.count)*100,2) as c19,round(sum(uvpz.foul.c20)/sum(uvpz.foul.count)*100,2) as c20,
round(sum(uvpz.foul.c21)/sum(uvpz.foul.count)*100,2)  as c21
FROM uvpz.y9hmp_users
LEFT JOIN uvpz.y9hmp_user_usergroup_map ON uvpz.y9hmp_users.id = uvpz.y9hmp_user_usergroup_map.user_id
LEFT JOIN uvpz.y9hmp_usergroups ON uvpz.y9hmp_user_usergroup_map.group_id = uvpz.y9hmp_usergroups.id
LEFT JOIN uvpz.foul ON uvpz.y9hmp_users.name = uvpz.foul.employee
WHERE parent_id = 10 AND uvpz.foul.c_date IS NOT null
AND uvpz.foul.c_date Between '$datestart' and '$dateend' 
AND uvpz.y9hmp_usergroups.ns_id = '$u'
Group By uvpz.y9hmp_users.name
Order by uvpz.y9hmp_users.name ASC";
 
$stmt = $dbh->query($sql);
$stmt3 = $dbh->query($sql);
$stmt4 = $dbh->query($sql); 
echo "<table Style='font-size: 14px'>";
echo "<tr>";
echo "<td>";
echo "<form action='' method='post'>";
echo "Выберите дату/время начала периода: "."<input type='date' name='datestart'>";
echo "</td>";
echo "<td>";
echo "Выберите дату/время конца периода: "."<input type='date' name='dateend'>";
echo "</td>";
echo "<td align='center'>";
echo "<input type='submit' name='date' value='Выполнить'>";
echo "</form>";
echo "</td>";
echo "<tr>";
echo "</table>";
 
if (isset ($_POST['datestart']) & isset($_POST['dateend'])) {
 
echo "<table Style='font-size: 14px'>";
echo "<tr>"."<td>"."Дата начала периода:  ".$datestart."</td>"."<td>"."Дата конца периода:  ".$dateend."</td>"."<td>"."</td>"."</tr>";
echo "</table>";
 
echo "<table>";
echo "<tr>";
echo "<td>"."Сотрудник"."</td>"."<td>"."Оценки"."</td>";
 
//Названия показателей
while($row1 = $stmt1->fetch(PDO::FETCH_ASSOC)) {
echo "<td>"."<bg>".$row1['f_name']."<bg>"."</td>";
}
echo "</tr>";
 
//Выводим значения показателей в таблицу.
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
 
echo "<tr>"."<td>".$row['Name']."</td>"."<td>".$row['count']."</td>"."<td>".$row['c1']."</td>"."<td>".$row['c2']."</td>"."<td>".$row['c3']."</td>"."<td>".$row['c4']."</td>"."<td>".$row['c5']."</td>"."<td>".$row['c6']."</td>"."<td>".$row['c7']."</td>"
."<td>".$row['c8']."</td>"."<td>".$row['c9']."</td>"."<td>".$row['c10']."</td>"."<td>".$row['c10']."</td>"."<td>".$row['c12']."</td>"."<td>".$row['c13']."</td>"."<td>".$row['c14']."</td>"
."<td>".$row['c15']."</td>"."<td>".$row['c16']."</td>"."<td>".$row['c17']."</td>"."<td>".$row['c18']."</td>"."<td>".$row['c19']."</td>"."<td>".$row['c20']."</td>"."<td>".$row['c21']."</td>"."</tr>";
}
echo "</table>";
echo "<br>";
echo "<table>";
 
echo "<tr>"."<td>"."Критерий"."</td>"."<td>"."Сокращение"."</td>"."</tr>";
 
// Выводим все критерии в цикле
while($row2 = $stmt2->fetch(PDO::FETCH_ASSOC)) {
echo "<tr>"."<td>".$row2['f_name']."</td>"."<td>".$row2['Title']."</td>"."</tr>";
}
echo "</table>";
 
?>
 
<?php
/*
//формируем график
for($i=1; $i<22; $i++)
                {
while($row3 = $stmt3->fetch(PDO::FETCH_ASSOC))
{
    $Smena_g[] = $row3['Name'];
    };
while($row4 = $stmt4->fetch(PDO::FETCH_ASSOC))
{
    $data_g[]  = $row4["c$i"];
    };  
*/
   
$conn = &ADONewConnection('mysql'); # создаем соединение
$conn->Connect('localhost','uvpz','uvpz','uvpz', 'charset=utf8');   # соединяемся с mysql
$conn->SetFetchMode(ADODB_FETCH_ASSOC);
 
//берем запрос из основного
$recordSet = &$conn->Execute($sql);
 
// Формируем граф в цикле
for($i=1; $i<22; $i++)
                {
//Формируем график
        foreach($recordSet as $key=>$data) {
 
        $Smena_g[] = $data["Name"];
 
        $data_g[] = $data["c$i"];
        };
   
 
// Setup the graph.
$graph = new Graph(500,400);
$graph->img->SetMargin(40,20,25,300);
$graph->SetScale("textlin");
$graph->SetMarginColor("lightblue:1.1");
$graph->SetShadow();
 
// Set up the title for the graph
$graph->title->Set("c$i");
$graph->title->SetMargin(8);
$graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
$graph->title->SetColor("darkred");
 
// Setup font for axis
$graph->xaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
$graph->yaxis->SetFont(FF_VERDANA,FS_NORMAL,10);
 
// Show 0 label on Y-axis (default is not to show)
$graph->yscale->ticks->SupressZeroLabel(false);
 
// Setup X-axis labels
$graph->xaxis->SetTickLabels($Smena_g);
$graph->xaxis->SetLabelAngle(90);
 
// Create the bar pot
$bplot = new BarPlot($data_g);
$bplot->SetWidth(0.6);
 
// Setup color for gradient fill style
$bplot->SetFillGradient("navy:0.9","navy:1.85",GRAD_LEFT_REFLECTION);
 
// Set color for the frame of each bar
$bplot->SetColor("white");
$graph->Add($bplot);
 
// Finally send the graph to the browser
ob_start();
$graph->Stroke();
header('Content-type: text/html; charset=utf8');
$image = 'data:image/png;base64,'.base64_encode(ob_get_clean());
?>
 
<!DOCTYPE html>
<html lang="ru">
    <head></head>
    <body>
        <img src="<?=$image?>" />
    </body>
</html>
 
<?php 
    unset($data_g);
    };
    
};
 
}
catch(PDOException $e){
echo 'Error : '.$e->getMessage();
exit();
};
?>