Quick and Dirty class to Query Colissimo-API with Support for mulitple languages

colissimo.php

<?php
/**
 * Quick and Dirty class to Query Colissimo-API
 * Support for mulitple languages
 *
 * @author  Cyrill von Wattenwyl < 5@e23.ch >
 * @deps    DOM, Allow http for file_get_contents in php.ini
 *
 **/
class colissimo {

  // url to query
  protected $baseurl="http://www.colissimo.fr/portail_colissimo/suivre.do";
  // valid languages
  protected $valid_languages=array("fr_FR", "de_DE", "en_GB", "nl_NL", "it_IT", "es_ES");
  // default language
  public $lang="en_GB";


  /**
   * Track a Package
   *
   * @param id{string}    Colissimo-ID
   * @return array        Array with Tracking-Informations
   **/
  function query( $id ){
    
    // load data and parse to dom-object
    $result = array();
    $url    = "{$this->baseurl}?language={$this->lang}&colispart={$id}";
    $html   = file_get_contents($url);
    $dom    = new DOMDocument($html);
    @$dom  -> loadHTML($html);
    $finder = new DomXPath($dom);

    // check for error
    $err = $finder->query("//*[contains(@class, 'error')]");
    if ($err->length > 0){
      $val  = trim( $err->item(0)->textContent );
      array_push($result,$val);
      return $result;
    }

    // parse messages
    $res    = $finder->query("//*[contains(@class, 'dataArray')]");
    $msgs   = $res->item(0)->getElementsByTagName('tr');
    for ($i=1; $i<$msgs->length; $i++){
      $item  = $msgs->item($i)->getElementsByTagName('td');
      $date  =  str_replace("/",".", trim ( $item->item(0)->textContent ) );
      $msg   = trim ( $item->item(1)->textContent );
      $loc   = trim ( $item->item(2)->textContent );
      $arr   = array( "date" => $date, "message" => $msg, "location" => $loc );
      array_unshift($result,$arr);
    }

    // return them
    return $result;
  }


  /**
   * Set Language of Messages
   *
   * @param lang{string}    Language
   * @return bool           True if Successfull, false if not
   **/
  function setlocale($lang){
    // no language string if french
    if ($lang=="fr_FR"){
      $this->lang='';
      return true;
    }
    if ( array_search($lang, $this->valid_languages) != false ){
      $this->lang=$lang;
      return true;
    }
    return false;
  }


}