checkGr.php

<?php
class checkGR
{
  public $prop = array();
  function __construct($title) {
    $ret = $this->callGR($title);
    $xml = new SimpleXMLElement($ret);
    $this->prop = $this->parseXML($xml);
  }
  public function parseXML(SimpleXMLElement $xml) {
    $json = json_encode( (array)$xml->search );
    return json_decode($json);
  }
  public function callGR($newval)
  {
    $ch = curl_init();
     $ret = curl_setopt($ch, CURLOPT_URL, "https://www.goodreads.com/search.xml");
     curl_setopt($ch, CURLOPT_POST, 1);
     curl_setopt($ch, CURLOPT_POSTFIELDS, 'key=XXXXXX=' . urlencode($newval));
     curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0);
     curl_setopt($ch, CURLOPT_TIMEOUT,        30);
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $ret = curl_exec($ch);
    return $ret;
  }
}
$title = 'Dune';
$obj = new checkGR($title);