Lấy kết quả xổ số miền bắc trả về client dạng JSON

<?php
echo '<meta charset="utf-8" />';
include('../simplehtmldom/simple_html_dom.php');

// -----------------------------------------------------------------------------

// Retrieve the DOM from a given URL
$html = file_get_html('http://ketquaxoso.24h.com.vn/xo-so-mien-bac/');

$i=0;
$timeupdate = array();
foreach($html->find('span[style="font-size:14px; color:#fff; "]') as $e) {
    $timeupdate[$i++] = $e->innertext;
}

$i=0;
$product = array();
foreach($html->find('td[class="number_kq"]') as $e) {
    $product[$i++] = $e->innertext;
}

$response["detail"] = array();
for ($i=0; $i < 5; $i++) {
    $kqmb["Time"]=$timeupdate[$i];
    $j=$i*8;
    $kqmb["DB"]=$product[$j++];
    $kqmb["G1"]=$product[$j++];
    $kqmb["G2"]=$product[$j++];
    $kqmb["G3"]=$product[$j++];
    $kqmb["G4"]=$product[$j++];
    $kqmb["G5"]=$product[$j++];
    $kqmb["G6"]=$product[$j++];
    $kqmb["G7"]=$product[$j++];

    array_push($response["detail"], $kqmb);
}
//$response["success"] = 1;

// echoing JSON response
echo json_encode($response);

?>