<?php
/**
 * 复制文件夹
 * @param $source
 * @param $dest
 */
function copydir($source, $dest)
{
    if (!file_exists($dest)) mkdir($dest);
    $handle = opendir($source);
    while (($item = readdir($handle)) !== false) {
        if ($item == '.' || $item == '..') continue;
        $_source = $source . '/' . $item;
        $_dest = $dest . '/' . $item;
        if (is_file($_source)) copy($_source, $_dest);
        if (is_dir($_source)) copydir($_source, $_dest);
    }
    closedir($handle);
}

//copydir('watermelon','melon\\'.time());