<?php

function input($name)
{
  if (isset($_POST[$name])) {
    return $_POST[$name];
  }
}

function post($url, $data)
{
  $ch = curl_init();

  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));

  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

  $server_output = curl_exec ($ch);

  curl_close ($ch);
}

$name = input('name');
$from = input('email');
$phone = input('phone');
$message = input('message');

$token = input('token');

if (!$name || !$from || !$message || !$token) {
  http_response_code(422);
  die('Invalid');
}

post('https://bulldesk.com.br/api/conversion', array(
  'token'  => 'token',
  'identifier' => 'Formulário de contato',
  'email' => $from,
  'name' => $name,
  'message' => $message,
  'phone' => $phone,
));