Help with recursive function

[Jeffry Killen <jekillen@xxxxxxxxxxx>]

Hello again;

I am writing a recursive file system reading method
(just for the challenge, i am re inventing a wheel)

and I am only getting to the third level below the initial dir
when I know there is five levels below.

I don't see why:

private function getDirList($_dir)
               {
                $_out = array();
                $_valid = '';
                $_DR = opendir($_dir);
                while($_x = readdir($_DR))
                  {
                   switch($_x)
                     {
                      case '.':
                      case '..':
                      break;
                      default:
                      if(is_dir($_x))
                        {
                         $_valid = self::screen($_dir.'/'.$_x, 'dir');
                         if($_valid['error'])
                           {
                            self::$_readError[count(self:: 
$_readError)] = $_valid['error'];
                            continue;
                           }
                         else if($_valid['pass'])
                           {
                            self::$_dirsToRead[$_dir.'/'.$_x] = true;
                            self::getDirList($_dir.'/'.$_x); ///<<<<  
this should accumulate directories, shouldn't it?
                           }
                        }
                      else if(is_file)
                        {
                         continue;
                        }
                      break;
                     }
                  }
                closedir($_DR);
               }

thank you for time and attention
JK

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