deleteAll.php

<?php
/**
 * 删除指定目录，含子目录及目录下文件
 *
 * @param  string $path 路径
 * @return void
 */
function deleteAll($path)
{
    $di = new DirectoryIterator($path);
    foreach ($di as $f) {
        if ($f->isDot()) {
            continue;
        }

        $name = $f->getPathName();

        if ($f->isDir()) {
            deleteAll($name);
            rmdir($name);
        } else {
            unlink($name);
        }
    }
}