curl POST using php - with json data

gistfile1.txt

<?php

$endpoint = "<the endpoint url for the post>";

function doPost($endpoint) {

  $items = array(
    'postitem1' => 'abc',
    'postitem2' => 'def',
  );
  $post_data = json_encode($items);

  //open connection
  $ch = curl_init();

  curl_setopt($ch, CURLOPT_URL, $endpoint);

  curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

  curl_setopt($ch, CURLOPT_POST, true);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

  curl_setopt($ch, CURLOPT_HEADER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-Type: application/json'));

  //curl_setopt($ch, CURLOPT_VERBOSE, true);

  //execute post
  $result = curl_exec($ch);

  $pos = strpos($result, '{');
  $json = substr($result, $pos);
  $data = json_decode($json);

  if (!empty($data->results["0"])) {
    $something = $data->results["0"]->something;
  } 

  //close connection
  curl_close($ch);
}

?>