Count files recursive

Returns the entire number of files including all child directories.

function count_files($path) {

    // (Ensure that the path contains an ending slash)

    $file_count = 0;

    $dir_handle = opendir($path);

    if (!$dir_handle) return -1;

    while ($file = readdir($dir_handle)) {

        if ($file == '.' || $file == '..') continue;

        if (is_dir($path . $file)){     
            $file_count += count_files($path . $file . DIRECTORY_SEPARATOR);
        }
        else {
            $file_count++; // increase file count
        }
    }

    closedir($dir_handle);

    return $file_count;
}

count_files('./my_awesome_folder/');