useful-functions.php

<?php
function dir_to_array($dir_name) {
  $files_names = array();

  if (is_dir($dir_name)) {
    $handle = opendir($dir_name);

    while (false !== ($file_name = readdir($handle))) {
      $file_path = $dir_name.$file_name;

      if (is_file($file_path) && is_readable($file_path)) {
        array_push($files_names, $file_name);
      }
    }
    closedir($handle);
  }

  return $files_names;
}
?>