PHP5 fast recursive directory listing, profiling items by type

<?php
/**
 * PHP5 - Fast, recursive, directory profiler
 * @param string $dir Path to a readable directory path
 * @version 1.0
 */
function profile( $dir ) {
  static $info = array();
  if( is_dir( $dir = rtrim( $dir, "/\\" ) ) ) {
    foreach( scandir( $dir) as $item ) {
      if( $item != "." && $item != ".." ) {
        $info['all'][] = $absPath = $dir . DIRECTORY_SEPARATOR . $item;
        $stat = stat( $absPath );
        switch( $stat['mode'] & 0170000 ) {
        case 0010000: $info['files'][]       = $absPath; break;
        case 0040000: $info['directories'][] = $absPath; profile( $absPath ); break;
        case 0120000: $info['links'][]       = $absPath; break;
        case 0140000: $info['sockets'][]     = $absPath; break;
        case 0010000: $info['pipes'][]       = $absPath; break;
        }
      }
    }
  }
  clearstatcache();	
  return $info;
}
?>