gammy

    $array1 = range('0','9');    $array2 = range('a','f');    $dirstrings = array_merge($array1,$array2);    foreach($dirstrings as $dir) {      foreach($dirstrings as $subdir) {        system("mkdir -p " . $path . "/{90x90,45x45,full}/" . $dir . "/" . $subdir . "/");      }    }// Replacement        for($dir = 0; $dir < 16; $dir++)            for($subdir = 0; $subdir < 16; $subdir++){                $complete_path = $path . '/{90x90,45x45,full}/' . sprintf("%01x/%01x", $dir, $subdir) . '/';            }