PHP SectionUser::delete_all_by_batchid示例

<?php

require_once "../initialize.php";
$batchid = $_GET['id'];
$batch = Batch::get_by_id($batchid);
$batch->delete();
SectionUser::delete_all_by_batchid($batch->id);
BatchUser::delete_all_by_batchid($batch->id);
$folder_path = "../../public/schools/" . $batch->schoolid . "/yearbooks/" . $batch->id;
rrmdir($folder_path);
$log = new Log($session->user_id, $clientip, "WEB", "DELETED BATCH: " . $batch->id);
$log->create();
echo "success";
function rrmdir($dir)
{
    foreach (glob($dir . '/*') as $file) {
        if (is_dir($file)) {
            rrmdir($file);
        } else {
            unlink($file);
        }
    }
    rmdir($dir);
}