private function send_response($array = ['response' => 'response', 'success' => true])
{
ob_end_clean();
header("Connection: close");
ignore_user_abort(true);
ob_start();
echo json_encode($array);
fastcgi_finish_request();
$size = ob_get_length();
header("Content-Length: $size");
ob_end_flush();
flush();
}