ecshop 后台登陆自动退出的一种可能情况(目录大小写问题)

if ($_REQUEST['act'] != 'login' && $_REQUEST['act'] != 'signin' &&
$_REQUEST['act'] != 'forget_pwd' && $_REQUEST['act'] != 'reset_pwd' && $_REQUEST['act'] != 'check_order')
{
$admin_path = preg_replace('/:\d+/', '', $ecs->url()) . ADMIN_PATH;
if (!empty($_SERVER['HTTP_REFERER']) &&
strpos(preg_replace('/:\d+/', '', $_SERVER['HTTP_REFERER']), $admin_path) === false)
{
if (!empty($_REQUEST['is_ajax']))
{
make_json_error($_LANG['priv_error']);
}
else
{
ecs_header("Location: privilege.php?act=login\n");
}
exit;
}
}