if($text =="/start"){
    unlink("data/$dar/dar.txt");
    unlink("data/$dar/ent.txt");
    unlink("data/$dar/play.txt");
    //========
    unlink("data/$chat_id/dar.txt");
    unlink("data/$chat_id/ent.txt");
    unlink("data/$chat_id/play.txt");
    file_put_contents("data/$chat_id/play.txt","no");
    unlink("data/$chat_id/dar.txt");
    file_put_contents("data/$chat_id/state.txt","none");
    sleep(1);
    sendmessage($chat_id,"🔹 سلام به ربات سنگ کاغذ قیچی خوش اومدی 🙃 ...",$start);
}