get all files (and optionally dirs) in a dir path

all_dirs.php

#!/usr/bin/php
<?php
// get all files in a dir path,

function get_all_files($dir, $ignore_dirs = true) {
    static $alldirs = array();
    $dirs = glob($dir . '/*');
    if (count($dirs) > 0) {
        foreach ($dirs as $newdir) {
          if (!array_key_exists($newdir, $alldirs)) {
            $alldirs[$newdir] = $newdir;
          }
        }
    }
    foreach ($dirs as $dir) {
      get_all_files($dir);
    }
    foreach ($alldirs as $k => $v) {
      if ($ignore_dirs && is_dir($k)) {
        unset($alldirs[$k]);
      }
    }
    natcasesort($alldirs);
    return $alldirs;
}

// set the file time to minimum of
// access time, creation time, modified time

$files = get_all_files('/Users/vijay/Pictures');
foreach ($files as $k => $file) {
  echo "\n$file";
  $ctime = min(filectime($file), filemtime($file), fileatime($file));
  touch($file, $ctime, $ctime);
  echo "\n\t" . date('r', $ctime);
}