global $wpdb;
$limit = get_option('limit_emails');
$table_queue = $wpdb->prefix.'table_name';
$query = $wpdb->prepare("SELECT * FROM $table_queue ORDER BY ID ASC LIMIT %d", $limit);
$rows = $wpdb->get_results($query);

if($rows && get_option('smtp_user') && get_option('smtp_pass') && get_option('smtp_host') && get_option('smtp_port')) {
    $code = $rows[0]->code;
    $message = $rows[0]->texto;
    $attach = $rows[0]->attach;
    $subject = $rows[0]->subject;

    $emails_to = [];

    foreach($rows as $row) {
        if($row->code == $code) {
            array_push($emails_to, $row->email);
        }
    }

    // SEND EMAIL CODE
    include(PLUGIN_DIR.'vendor/PHPMailerAutoload.php');
    include(PLUGIN_DIR.'vendor/class.smtp.php');

    $email = new PHPMailer();

    $email->IsSMTP();
    $email->SMTPAuth = true;
    $email->SMTPKeepAlive = true;
    $email->Host = get_option('smtp_host');
    $email->Port = get_option('smtp_port');
    $email->Username = get_option('smtp_user');
    $email->Password = get_option('smtp_pass');

    $email->SMTPSecure = 'ssl';
    $email->setFrom(get_option('admin_email'), 'name here');
    $email->addReplyTo(get_option('admin_email'), 'name here');
    $email->Subject   = esc_html($subject);
    $email->Body      = esc_html($message);
    // Set the Atatchment
    if($attach) {
        $att = PLUGIN_DIR.'uploads/'.$attach;
        $email->AddAttachment(esc_html($att));
    }
    // set the emails to send the message
    foreach($emails_to as $mail) {
        if(is_email($mail)) {
            $email->addAddress($mail);
        }
    }
    // send the email
    if(!$email->Send()) {
        echo "Message was not sent <br />PHPMailer Error: " . $email->ErrorInfo;
    }
    else {
        echo "Message has been sent";
    }

    $mail->clearAddresses();
    $mail->clearAttachments();
}