/**
    * Declare and assign all needed variables for the request and the header
    *
    * @var $method string Request method
    * @var $url string Full request URI
    * @var $appToken string App token found at the profile page
    * @var $appSecret string App secret found at the profile page
    * @var $accessToken string Access token found at the profile page (or retrieved from the /access request)
    * @var $accessSecret string Access token secret found at the profile page (or retrieved from the /access request)
    * @var $nonce string Custom made unique string, you can use uniqid() for this
    * @var $timestamp string Actual UNIX time stamp, you can use time() for this
    * @var $signatureMethod string Cryptographic hash function used for signing the base string with the signature, always HMAC-SHA1
    * @var version string OAuth version, currently 1.0
    */
   $method             = "GET";
   $url                = "https://api.cardmarket.com/ws/v1.1/account";
   $appToken           = "bfaD9xOU0SXBhtBP";
   $appSecret          = "pChvrpp6AEOEwxBIIUBOvWcRG3X9xL4Y";
   $accessToken        = "lBY1xptUJ7ZJSK01x4fNwzw8kAe5b10Q";
   $accessSecret       = "hc1wJAOX02pGGJK2uAv1ZOiwS7I9Tpoe";
   $nonce              = "53eb1f44909d6";
   $timestamp          = "1407917892";
   $signatureMethod    = "HMAC-SHA1";
   $version            = "1.0";
   
   /**
    * Gather all parameters that need to be included in the Authorization header and are know yet
    *
    * Attention: If you have query parameters, they MUST also be part of this array!
    *
    * @var $params array|string[] Associative array of all needed authorization header parameters
    */
   $params             = array(
       'realm'                     => $url,
       'oauth_consumer_key'        => $appToken,
       'oauth_token'               => $accessToken,
       'oauth_nonce'               => $nonce,
       'oauth_timestamp'           => $timestamp,
       'oauth_signature_method'    => $signatureMethod,
       'oauth_version'             => $version,
   );
   
   /**
    * Start composing the base string from the method and request URI
    *
    * Attention: If you have query parameters, don't include them in the URI
    *
    * @var $baseString string Finally the encoded base string for that request, that needs to be signed
    */
   $baseString         = strtoupper($method) . "&";
   $baseString        .= rawurlencode($url) . "&";
   
   /*
    * Gather, encode, and sort the base string parameters
    */
   $encodedParams      = array();
   foreach ($params as $key => $value)
   {
       if ("realm" != $key)
       {
           $encodedParams[rawurlencode($key)] = rawurlencode($value);
       }
   }
   ksort($encodedParams);
   
   /*
    * Expand the base string by the encoded parameter=value pairs
    */
   $values             = array();
   foreach ($encodedParams as $key => $value)
   {
       $values[] = $key . "=" . $value;
   }
   $paramsString       = rawurlencode(implode("&", $values));
   $baseString        .= $paramsString;
   
   /*
    * Create the signingKey
    */
   $signatureKey       = rawurlencode($appSecret) . "&" . rawurlencode($accessSecret);
   
   /**
    * Create the OAuth signature
    * Attention: Make sure to provide the binary data to the Base64 encoder
    *
    * @var $oAuthSignature string OAuth signature value
    */
   $rawSignature       = hash_hmac("sha1", $baseString, $signatureKey, true);
   $oAuthSignature     = base64_encode($rawSignature);
   
   /*
    * Include the OAuth signature parameter in the header parameters array
    */
   $params['oauth_signature'] = $oAuthSignature;
   
   /*
    * Construct the header string
    */
   $header             = "Authorization: OAuth ";
   $headerParams       = array();
   foreach ($params as $key => $value)
   {
       $headerParams[] = $key . "=\"" . $value . "\"";
   }
   $header            .= implode(", ", $headerParams);
   
   /*
    * Get the cURL handler from the library function
    */
   $curlHandle         = curl_init();
   
   /*
    * Set the required cURL options to successfully fire a request to MKM's API
    *
    * For more information about cURL options refer to PHP's cURL manual:
    * http://php.net/manual/en/function.curl-setopt.php
    */
   curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true);
   curl_setopt($curlHandle, CURLOPT_URL, $url);
   curl_setopt($curlHandle, CURLOPT_HTTPHEADER, array($header));
   curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, false);
   
   /**
    * Execute the request, retrieve information about the request and response, and close the connection
    *
    * @var $content string Response to the request
    * @var $info array Array with information about the last request on the $curlHandle
    */
   $content            = curl_exec($curlHandle);
   $info               = curl_getinfo($curlHandle);
   curl_close($curlHandle);
   
   /*
    * Convert the response string into an object
    *
    * If you have chosen XML as response format (which is standard) use simplexml_load_string
    * If you have chosen JSON as response format use json_decode
    *
    * @var $decoded \SimpleXMLElement|\stdClass Converted Object (XML|JSON)
    */
   // $decoded            = json_decode($content);
   $decoded            = simplexml_load_string($content);