[PHP] Help with references?

[Jon]

This script only outputs the top level. i.e.

-/
|
- folder1
|
- folder2
|
- folder3

it should be

- /
|
- folder1
|   |
|   - subdir1
|       |
|       - file1.ext
|
- folder2
|   |
|   - subdir2
|       |
|       - file2.ext
|
- folder3
    |
    - subdir3
        |
        - file3.ext


I really don't know what I am doing here ;)
It looks like something is creating a new class instead of working with
$tree, after the foreach loop $branch has the intended value.  After
$branch =& tree; the added subdirs exist but the files array beneath the
subdirs is empty.  I'm in way over my head here so if someone could bail
me out I would be eternally greatful!

Thanks,
Jon

class dir {

  var $name; 
  var $subdirs; 
  var $files; 
  var $num; 
  var $prio;

  function dir($name,$num,$prio) { 
    $this->name = $name; 
    $this->num = $num; 
    $this->prio = $prio; 
    $this->files = array(); 
    $this->subdirs = array(); 
  }

  function addFile($file) { 
    $this->files[] =& $file; 
    return $file; 
  }

  function addDir($dir) { 
    $this->subdirs[] =& $dir; 
    return $dir; 
  }

  function findDir($name) { 
      foreach($this->subdirs as $v){ 
        if($v->name == $name) 
          return $v; 
      } 
      return false; 
  }

  function draw($parent) {


echo('d.add('.$this->num.','.$parent.',"'.$this->name."\",".$this->prio.");\n");

  foreach($this->subdirs as $v) { 
      $v->draw($this->num); 
echo "// Name: ".$v->name."\n// Number: ".$this->num."\n// Subdirs:
".count($v->subdirs)."\n// Files ".count($v->files)."\n";

  }

  foreach($this->files as $v) 
      if(is_object($v)) { 
        echo("d.add(".$v->num.",".$this->num.",
\"".$v->name."\",".$v->prio.");\n"); 
      } 
  } 
}


class file {

  var $name; 
  var $prio; 
  var $size; 
  var $num;

  function file($name,$num,$size,$prio) { 
    $this->name = $name; 
    $this->num = $num; 
    $this->size = $size; 
    $this->prio = $prio;

  }

} 
$arFiles = array(  
  array['file1']( 
    array(  
      ['path] => array( 
        [0] => 'folder1', 
        [1] => 'subfolder1' 
        [2] => 'file1.ext' 
    ), 
    ['length'] => 5464, 
    ['size'] => 8765 
  ), 
  array['file2']( 
    array(  
      ['path] => array( 
        [0] => 'folder2', 
        [1] => 'subfolder2' 
        [2] => 'file2.ext' 
    ), 
    ['length'] => 5464, 
    ['size'] => 8765 
  ), 
  array['file3']( 
    array(  
      ['path] => array( 
        [0] => 'folder3', 
        [1] => 'subfolder3' 
        [2] => 'file3.ext' 
    ), 
    ['length'] => 5464, 
    ['size'] => 8765 
  ) 
) 
$prio = array(); 
      for($i=0;$i<count($arFiles);$i++) 
         $prio[$i] = -1;

 $dirnum = count($arFiles); 
 $tree = new dir("/",$dirnum,isset($prio[$dirnum])?$prio[$dirnum]:-1);

 foreach( $arFiles as $filenum => $file) { 
      $depth = count($file['path']); 
      $branch =& $tree; 
      for($i=0; $i < $depth; $i++){ 
        if ($i != $depth-1){ 
          $d =& $branch->findDir($file['path'][$i]); 
          if($d) 
            $branch =& $d; 
          else{ 
            $dirnum++; 
            $d =& $branch->addDir(new dir($file['path'][$i], $dirnum,
(isset($prio[$dirnum])?$prio[$dirnum]:-1))); 
            $branch =& $d; 
          } 
        }else 
          $branch->addFile(new
file($file['path'][$i]." (".$file['length'].")",$filenum,$file['size'],
$prio[$filenum]));

      } 
    }

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