Simple request bin, works with Telegram Bot

bin.php

<?php
$botToken = 'x';
$chatId = 1234;
$dontIncludeHeadersName = 'nh';
$separator = PHP_EOL;
$twoSeparator = $separator . $separator;

function bot($method, $data = null) {
    global $botToken;

    $url =  "https://api.telegram.org/bot$botToken/$method";

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    if (!empty($data))
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

    $result = curl_exec($ch);

    if (curl_error($ch))
        return curl_error($ch);
    else
        return json_decode($result);
}
function extractHeaders() {
    $headerList = [];
    foreach ($_SERVER as $name => $value) {
        if (preg_match('/^HTTP_/',$name)) {
            // convert HTTP_HEADER_NAME to Header-Name
            $name = strtr(substr($name,5),'_',' ');
            $name = ucwords(strtolower($name));
            $name = strtr($name,' ','-');

            // add to list
            $headerList[$name] = $value;
        }
    }

    return $headerList;
}
function readableSize($size, $precision = 2) {
    static $units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
    $step = 1024;
    $i = 0;
    while (($size / $step) > 0.9) {
        $size = $size / $step;
        $i++;
    }
    return round($size, $precision).$units[$i];
}

$dontIncludeHeaders = isset($_GET[$dontIncludeHeadersName]);

$data = sprintf(
    "%s %s %s",
    $_SERVER['REQUEST_METHOD'],
    $dontIncludeHeaders ? preg_replace('/[&?]' . $dontIncludeHeadersName . '[=]?/', '', $_SERVER['REQUEST_URI'], 1) : $_SERVER['REQUEST_URI'],
    $_SERVER['SERVER_PROTOCOL']
);

if ($dontIncludeHeaders)
    $data .= ' (' . $dontIncludeHeadersName . ')';
else {
    $data .= $twoSeparator . '*Headers*' . $twoSeparator;
    $headerList = extractHeaders();
    foreach ($headerList as $name => $value) {
        $data .= $name . ': ' . $value . $separator;
    }
}

$body = file_get_contents('php://input');
if (!empty($body))
    $data .= $twoSeparator . '*Data*' . $twoSeparator . $body;

if (!empty($_FILES)) {
    $files = [];
    $fileNames = null;
    foreach ($_FILES as $key => $file) {
        $files[] = [
            'ket' => $key,
            'name' => $file['name'],
            'size' => $file['size'],
            'path' => $file['tmp_name'],
            'type' => $file['type']
        ];
        $fileNames .= $file['name'] . ' (' . readableSize($file['size']) . ')' . $separator;
    }

    $data .= $separator . '*Files* (' . count($files) . ')' . $twoSeparator . $fileNames;
}


$mainMessage = bot('sendMessage', [
    'chat_id' => $chatId,
    'text' => '`'. $data . '`',
    'parse_mode' => 'Markdown'
])->result->message_id;


if (isset($files)) {
    foreach ($files as $file) {
        $sendFile = bot('sendDocument', [
            'chat_id' => $chatId,
            'document' => new CURLFile($file['path'], $file['type'], $file['name']),
            'reply_to_message_id' => $mainMessage
        ]);
    }
}