<?php
include_once 'ScriptIncludeCache.inc';

/// @cond
$baseDir = dirname(__FILE__);
$cache = ScriptIncludeCache::instance(__FILE__);
$cache->includeOnce('common-functions.inc', $baseDir);
/// @endcond


class Validator {

  private $uri;
  private $validator_url = 'http://validator.w3.org/check';

  static function get_url_contents($url){
    $crl = curl_init();
    $timeout = 5;

    curl_setopt ($crl, CURLOPT_URL, $url);
    curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
    $ret = curl_exec($crl);
    curl_close($crl);
    return $ret;
  }

  function __construct($uri)
  {
    $this->uri = $uri;
  }

  function check()
  {
    $request = urlencode($this->uri);
    $query= '?uri=' . $request;

    $headers = getHeaders($this->validator_url . $query, 2);
    return $headers['X-W3C-Validator-Status'] === "Valid";
  }

  function getUri()
  {
    return $this->uri;
  }

}
?>