PHP batch_api example

batch_api.php

<?php

  /* general constants for the account and end point */
  $UUID = "ABCDEF123456";
  $SECRET_KEY = "ABCDEFGHIJKLMNO1234567890123456";
  $SERVER = 'https://api-stage.500friends.com';
  $ENDPOINT = '/batch_api';

  /* create hash for post data */
  $post_data = array(
    "ops" => array(
      array(
        "method" => "get",
        "url" => "/api/ping"
      ),
      array(
        "method" => "post",
        "url" => "/api/record.json",
        "params" => array(
          "email" => "example@example.com",
          "type" => "purchase",
          "created_at" => "2015-01-30",
          "value" => "12.34",
          "detail" => "50 mL face lotion",
          "event_id" => "ABC123"
          )
      ),
      array(
        "method" => "post",
        "url" => "/api/record.json",
        "params" => array(
          "email" => "example@example.com",
          "type" => "purchase",
          "created_at" => "2015-04-28",
          "value" => "49.99",
          "detail" => "300 mL eye serum; powder pink lip gloss",
          "event_id" => "DEF456"
          )
      )
    )
  );

  /* calculate signature */
  $url_data = array("uuid" => $UUID);
  $query_string = http_build_query($url_data);    
  $path = $ENDPOINT."?".$query_string;
  $raw_post = json_encode($post_data, JSON_UNESCAPED_SLASHES);

  $string_to_hash = $SECRET_KEY . $path . $raw_post;
  $path = $path . "&sig=" . md5($string_to_hash);
  $url = $SERVER . $path;

  /* construct options for the POST request */
  $options = array(
    'http' => array(
      'header'  => "Content-type: application/json\r\nAccept: application/json\r\n",
      'method'  => 'POST',
      'content' => $raw_post
    ),
  );

  /* debugging */
  print "<h1>URL</h1>" . $url;
  print "<br><br><br><h1>Raw Post</h1>" . $raw_post;

  /* submit the request */
  $context  = stream_context_create($options);
  $result = file_get_contents($url, false, $context);

  /* debugging */
  print "<br><br><br><h1>Results</h1>"; 
  var_dump($result); 

?>