<?php
$token = '123:aaaaa';

//req 1 param
$args = ['test' => 'test'];
$method = 'getMe';
//curl init
$curlRequestSession = curl_init();
curl_setopt_array($curlRequestSession, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POST           => true,
    CURLOPT_URL            => 'https://api.telegram.org/bot' . $token . '/' . $method,
]);
//send req 1
curl_setopt_array($curlRequestSession, [
    CURLOPT_POSTFIELDS => $args,
]);
curl_exec($curlRequestSession);

//req 2 param
$args = [];
$method = 'getMe';
//send req 2
curl_setopt_array($curlRequestSession, [
    CURLOPT_POSTFIELDS => $args,
]);
$response = curl_exec($curlRequestSession);

//display result
if ($response === false) {
    echo 'Fail ';
    var_dump(curl_error($curlRequestSession));
    var_dump(curl_getinfo($curlRequestSession));
} else {
    echo 'Success ';
    var_dump($response);
}