BitMixer Posts Count and EUR calculator

check.php

<?php

function extractValue($html) {
  $v = explode('New posts:</td><td>',$html);
  return explode('</td>', $v[1])[0];
}

function takeBtcTicker() {
  $url = 'https://www.bitstamp.net/api/ticker/';
  $url = 'https://blockchain.info/ticker';
  $f = file_get_contents($url);
  return json_decode($f);
}

function signaturePostsCount($uid) {
  $url = 'https://bitmixer.io/signature.php';
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS,"uid=".$uid);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  $server_output = curl_exec ($ch);
  curl_close ($ch);
  if ($server_output) {
    return extractValue($server_output);
  } else {
    return 0;
  }
}

function withLastEURValue() {
  return takeBtcTicker()->EUR->last;
}

function calculatePaidPosts($btcEurValue, $posts) {
  $signaturePay = 0.0007;
  $total = $btcEurValue * $signaturePay * $posts;
  return array(
    'posts' => $posts,
    'btc'   => $btcEurValue,
    'total' => $total,
  );
}

$result = calculatePaidPosts( withLastEURValue(), signaturePostsCount($YOUR_UID_NUMBER_HERE) );
echo 'POSTS '.$result['posts'] .' x '. $result['btc'] .'E/B -> '. $result['total'];