Send Message Telegram Bot

function sendMessage($to, $message){
    $url = "https://api.telegram.org/bot" . $bot_token . "/sendMessage";
    $postData = [
        'chat_id' => $to,
        // 'parse_mode' => 'HTML',
        'text' => $message
    ];
    $header = [
        "X-Requested-With: XMLHttpRequest",
        "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36"
    ];
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    $response = curl_exec($ch);
    $err = curl_error($ch);
    curl_close($ch);
    if($err){
        $response = $err;
    }
    return json_decode($response, true);
}