PHP FUNCTION Send document Telegram bot channel

 

function send_file_telegram($file,$message,$channelid,$token){  

    $curl = curl_init();

    $fh=new CURLFile(realpath($file));

    curl_setopt_array($curl, [

      CURLOPT_URL => "https://api.telegram.org/bot".urlencode($token)."/sendDocument",  

      CURLOPT_RETURNTRANSFER => true,

      CURLOPT_ENCODING => "",

      CURLOPT_MAXREDIRS => 10,

      CURLOPT_TIMEOUT => 30,

      CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,

      CURLOPT_CUSTOMREQUEST => "POST",

      CURLOPT_POSTFIELDS => array(

        "document"=>$fh,

        "caption"=>$message,

        "disable_notification"=>true,

        "chat_id"=>$channelid,

      ),

      CURLOPT_HTTPHEADER => [

        "User-Agent: Telegram Bot SDK",

        "Content-Type: multipart/form-data;charset=utf-8"

      ],

    ]);

   

    $response = curl_exec($curl);

    $err = curl_error($curl);

   

    curl_close($curl);

   

    if ($err) {

      echo "cURL Error #:" . $err;

    } else {

      echo $response;

    }

   

}