PHP list all files in directory

dirlist.php

<?php
  function getDirectoryList ($directory) {
    // create an array to hold directory list
    $results = array();

    // create a handler for the directory
    $handler = opendir($directory);

    // open directory and walk through the filenames
    while ($file = readdir($handler)) {
      // if file isn't this directory or its parent, add it to the results
      if ($file != "." && $file != "..") {
        $results[] = $file;
      }
    }

    // tidy up: close the handler
    closedir($handler);

    // done!
    return $results;
  }
?>