logic with arrays

[Jeffery Fernandez <forums@xxxxxxxxxxxxxxxxxxxxxx>]

I am trying to build a html menu dynamically from data sitting in an 
array. I have been successful so far until it came to the point of 
populating the sub-menu of the system. Can someone help me out with the 
logic or is there a simpler way of doing it? Thanks


<?php
/**
  * This function builds the applications menu system from and array of 
key/pair values
  * @param null
  * @return string $menu contains value of menu structure in html
  */  
 function BuildMenu()
 {

 $base_path = 'http://kangaroo.hotshot/dev/fpaa/DEVELOPMENT/TEST';

 $menu_structure =
   array
   (      
     array('Home' => '/'),
     array(
            'News' => '/news', 'sub' =>
            array(
                    'Archive' => '?news=archive'
                 )
          ),
     array('Events' => '/events'),
     array('About' => '/about'),
     array('Membership' => '/membership'),
     array('Committees' => '/committee'),
     array('Safety' => '/safety'),
     array(
             'Providers' => '/providers', 'sub' =>
             array(
                    'Sprinklers' => '?providers=sprinklers',
                    'Detection' => '?providers=detection',
                    'Certification' => '?providers=certification',
                    'Monitoring' => '?providers=monitoring',
                    'Hose Reels' => '?providers=hosereels',
                    'Passive' => '?providers=passive',
                    'Portable' => '?providers=portable',
                    'Hazard' => '?providers=hazard',
                    'Maintenance' => '?providers=maintenance',
                    'Consultants' => '?providers=consultants',
                    'Emergency Training' => '?providers=training',
                    
                  )
          ),
     array('Licencing' => '/licencing'),
     array(
             'Training' => '/training', 'sub' =>
             array(
                   'Tafe Courses' => '?courses=tafe',
                   'Trade Courses' => '?courses=trade',
                   'New Courses' => '?courses=new',
                   'RTO Status' => '?courses=rtostatus',
                   'Portable' => '?courses=portable',
                   'Assessor' => '?courses=assessor',
                   'Training Builetin' => '?courses=builetin',
                   'Contact' => '?courses=contact'                   
                 )
          ),
     array('Publication' => '/publication'),
     array('Contact' => '/contact'),
   );

   $html_menu = '<ul id="topnav">';
   
   foreach ($menu_structure as $menu_page)
   {
     $menu_name = array_keys($menu_page);
     $menu_value = array_values($menu_page);
    
     //$html_menu .= "<li>$menu_name[0] - $menu_value[0]</li>";
     
     $html_menu .= "<li><a 
href=\"$base_path$menu_value[0]\">$menu_name[0]</a></li>";
     
     $sub_menu = sizeof($menu_name);
     
     if ($sub_menu > 1)
     {
       $html_menu .= '<ul id="subnav">';
       foreach ($menu_page[$menu_name[1]] as $sub_page)
       {
         // Stuck here
         $html_menu .= "<li><a href=\"Need to get 
value\">$sub_page</a></li>";
       }
       $html_menu .= '</ul>';
     }
     
   }
   
   $html_menu .= '</ul>';
   
   echo $html_menu;
   
   
   // Example Structure of html menu
   /*
     <ul id="topnav">
     <li><a href="#">Home</a></li>
     <li><a href="#">News</a></li>
     <li><a href="#">Events</a></li>
     <li><a href="#">About</a></li>
     <li><a href="#">Membership</a></li>
     <li><a href="#">Committees</a></li>
     <li><a href="#">Safety</a></li>
     <li class="center"><a href="#" class="here">Providers</a>
       <ul id="subnav">
         <li><a href="#">Sprinklers</a></li>
         <li><a href="#">Detection</a></li>
         <li><a href="#" class="here">Certification</a></li>
         <li><a href="#">Monitoring</a></li>
         <li><a href="#">Hose Reels</a></li>
         <li><a href="#">Passive</a></li>
         <li><a href="#">Portable</a></li>
         <li><a href="#">Hazard</a></li>
         <li><a href="#">Maintenance</a></li>
         <li><a href="#">Consultants</a></li>
         <li><a href="#">Emergency Training</a></li>
       </ul>
     </li>
     <li><a href="#">Licencing</a></li>
     <li><a href="#">Training</a></li>
     <li><a href="#">Publication</a></li>
     <li><a href="#">Contact</a></li>
   </ul>    
   */
   return $menu_structure;
 }


 print_r(BuildMenu());

?>

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