GÉNÉRATEUR DE MENU MULTILANGUE AVEC CONTROLE DU NIVEAU D'ACCÉS À PARTIR DE PLAN DE SITE XML

<?php
class menu
{
  private $_xml_source;
  private $_language;
  private $_access_level;
  //permet d'afficher le noeud de depart(accueil)
  var $_show_starting_node;
  //constructeur
  function menu($set_xml_source,$set_access_level,$set_language)
  {
    $this->_xml_source=$set_xml_source;
    $this->_access_level=$set_access_level;
    $this->_language=$set_language;    
  }
  //fonction recursive pour parcourir toutes les branches du xml
  private function check_node($node)
  {
    echo('<ul>');
    foreach($node->sitenode as $sitenode)
    {
      if($this->is_in(explode(',',$sitenode['level']),$this->_access_level)==true)
      {
        echo('<li><a href=\'');
        echo($sitenode['url']);
        echo('\' ');
        if(!empty($sitenode['id'])){echo('id=\''.$sitenode['id'].'\' ');}
        if(!empty($sitenode['class'])){echo('class=\''.$sitenode['class'].'\' ');}
        echo('>');
        echo($sitenode[$this->_language]);
        echo('</a>');
        if(!empty($sitenode->sitenode))
        {
          $this->check_node($sitenode);
        }        
        echo('</li>');
      }      
    }
    echo('</ul>');    
  }
  public function display()
  {
    $xml=simplexml_load_file($this->_xml_source);
    if ($this->_show_starting_node==true)
    {
      $this->check_node($xml);
    }
    else
    {
      $this->check_node($xml->sitenode);
    }    
  }   
  private function is_in($tab,$value)
  {
    $return_value=false;
    foreach($tab as $tab_value)
    {
      if($tab_value==$value)
      {
        $return_value=true;        
      }
    }
    return $return_value;
  }
}
?>


XML exemple :

<?xml version="1.0" encoding="utf-8"?>
<sitemap>
  <sitenode url='index.php' fr='Accueil' en='Index' level='0,1,2,3,4,5' >
     <sitenode url='page2.php' fr='Pagefr1' en='Pageen1' level='0,1,2,3,4,5' id='mnu_page2'>
        <sitenode url='page3.php' fr='Pagefr2' en='Pageen2' level='0,1,2,3,4' class='level2' />
        <sitenode url='page4.php' fr='Pagefr3' en='Pageen3' level='0,1,2,3,4' />
     </sitenode>     
     .....
  </sitenode>
</sitemap>